<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2016-04-04T08:34:00Z" status="active" updated="2026-04-14T11:54:40Z" version="1.2" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:ssap="http://www.ivoa.net/xml/SSA/v1.1" xmlns:vg="http://www.ivoa.net/xml/VORegistry/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.xsd http://www.ivoa.net/xml/SSA/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/SSA.xsd http://www.ivoa.net/xml/VORegistry/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VORegistry.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>CALIFA DR3</title><shortName>califa ssa</shortName><identifier>ivo://org.gavo.dc/califa/q3/s</identifier><curation><publisher>The GAVO DC team</publisher><creator><name>Sánchez, F.</name></creator><creator><name>The CALIFA collaboration</name></creator><date role="Updated">2026-01-14T08:18:41Z</date><version>3</version><contact><name>GAVO Data Centre Team</name><address>Mönchhofstrasse 12-14, D-69120 Heidelberg</address><email>gavo@ari.uni-heidelberg.de</email><telephone>+49 6221 54 1837</telephone></contact></curation><content><subject>disk-galaxies</subject><subject>interstellar-medium</subject><subject>spectroscopy</subject><description> Split spectra from the CALIFA DR3 cubes. This service serves one
spectrum each per pixel in each cube where there is at least one valid
spaxel. Where both V500 and COMB data is available, COMB spectra are
served. WARNING: The individual spectra are not independent. Also,
error estimates over wide spectral ranges based on the error estimates
served here are unreliable.</description><source format="bibcode">2016A&amp;A...594A..36S</source><referenceURL>https://dc.g-vo.org/califa/q3/s/info</referenceURL><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://org.gavo.dc/tap">GAVO Data Center TAP service</relatedResource></relationship></content><rights>
CALIFA asks you to acknowledge:

"This study uses data provided by the Calar Alto Legacy Integral Field Area
(CALIFA) survey (http://califa.caha.es/)."

"Based on observations collected at the Centro Astronómico Hispano Alemán
(CAHA) at Calar Alto, operated jointly by the Max-Planck-Institut fűr
Astronomie and the Instituto de Astrofísica de Andalucía (CSIC)."

and to cite both of :bibcode:`2014A&amp;A...569A...1W` and
:bibcode:`2012A&amp;A...538A...8S`</rights><capability standardID="ivo://ivoa.net/std/ssa" xsi:type="ssap:SimpleSpectralAccess"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="base">http://dc.g-vo.org/califa/q3/s/ssap.xml?</accessURL><mirrorURL>https://dc.g-vo.org/califa/q3/s/ssap.xml?</mirrorURL><queryType>GET</queryType><resultType>application/x-votable+xml</resultType><param std="true"><name>POS</name><description>ICRS position of target object</description><unit>deg</unit><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>SIZE</name><description>Size of the region of interest around POS</description><unit>deg</unit><dataType xsi:type="vs:SimpleDataType">real</dataType></param><param std="true"><name>BAND</name><description>Wavelength (range) of interest (or symbolic bandpass names)</description><unit>m</unit><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>TIME</name><description>Midpoint of exposure (MJD)</description><ucd>time.epoch</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>FORMAT</name><description>MIME type of the file served</description><ucd>meta.code.mime</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>APERTURE</name><description>Angular diameter of aperture</description><unit>deg</unit><ucd>phys.angSize;instr.fov</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>SNR</name><description>Signal-to-noise ratio estimated for this dataset</description><ucd>stat.snr</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>REDSHIFT</name><description>Redshift of target object</description><ucd>src.redshift</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>TARGETNAME</name><description>Common name of object observed.</description><ucd>meta.id;src</ucd><dataType arraysize="*" xsi:type="vs:SimpleDataType">char</dataType></param><param std="true"><name>TARGETCLASS</name><description>Object class (star, QSO,...; 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The Calar Alto Legacy Integral Field Area (CALIFA) survey provides
spatially resolved spectroscopic information for 667 galaxies, mainly
within the local universe (0.005 &lt; z &lt; 0.03).

CALIFA data was obtained using the PPAK integral field unit (IFU), with a
hexagonal field-of-view of 1.3 square arcmin, with a 100% covering factor
by adopting a three-pointing dithering scheme.  has been taken in two
setups: V500 (6 Å bin size, 646 galaxies) and V1200 (2.3 Å bin size, 484
galaxies).  A final product ("COMBO") combining both data sets, covering
3700-7500 Å at 6 Å bin size, is made availble for 484 galaxies.

CALIFA is a legacy survey, intended for the community.  This is the (final)
Data Release 3.  This is the VO/TAP publication with a simple web
interface on top.  See http://califa.caha.es/ for the upstream
site.</description><table><name>califadr3.spectra</name><description> Metadata for individual spectra. Note that the spectra result from
reducing a complex dithering scheme and are not independent from one
another.</description><nrows>5100000</nrows><column><name>accref</name><description>Access key for the data</description><ucd>meta.ref.url;meta.dataset</ucd><utype>ssa:Access.Reference</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>owner</name><description>Owner of the data</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>embargo</name><description>Date the data will become/became public</description><unit>yr</unit><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>mime</name><description>MIME type of the file served</description><ucd>meta.code.mime</ucd><utype>ssa:Access.Format</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>accsize</name><description>Size of the data in bytes</description><unit>byte</unit><utype>ssa:Access.Size</utype><stats><min>50000</min><percentile03>50000.0</percentile03><median>50000.0</median><percentile97>50000.0</percentile97><max>50000</max><fillFactor>1.0</fillFactor></stats><dataType xsi:type="vs:VOTableType">long</dataType><flag>nullable</flag></column><column><name>ssa_dstitle</name><description>A compact and descriptive designation of the dataset.</description><ucd>meta.title;meta.dataset</ucd><utype>ssa:DataID.Title</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType></column><column><name>ssa_creatordid</name><description>Dataset identifier assigned by the creator</description><ucd>meta.id</ucd><utype>ssa:DataID.CreatorDID</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_pubdid</name><description>Dataset identifier assigned by the publisher</description><ucd>meta.ref.ivoid</ucd><utype>ssa:Curation.PublisherDID</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ssa_cdate</name><description>Processing/Creation date</description><ucd>time;meta.dataset</ucd><utype>ssa:DataID.Date</utype><dataType arraysize="19" extendedType="timestamp" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_pdate</name><description>Date last published.</description><utype>ssa:Curation.Date</utype><dataType arraysize="19" extendedType="timestamp" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_bandpass</name><description>Bandpass (i.e., rough spectral location) of this dataset; this should be the most appropriate term from the vocabulary http://www.ivoa.net/rdf/messenger.</description><ucd>instr.bandpass</ucd><utype>ssa:DataID.Bandpass</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_cversion</name><description>Creator assigned version for this dataset (will be incremented when this particular item is changed).</description><ucd>meta.version;meta.dataset</ucd><utype>ssa:DataID.Version</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_targname</name><description>Common name of object observed.</description><ucd>meta.id;src</ucd><utype>ssa:Target.Name</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag></column><column><name>ssa_targclass</name><description>Object class (star, QSO,...; use Simbad object classification http://simbad.u-strasbg.fr/simbad/sim-display?data=otypes if at all possible)</description><ucd>src.class</ucd><utype>ssa:Target.Class</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>ssa_redshift</name><description>Redshift of target object</description><ucd>src.redshift</ucd><utype>ssa:Target.Redshift</utype><stats><min>0.0018787</min><percentile03>0.00510667</percentile03><median>0.0152767</median><percentile97>0.029372</percentile97><max>0.0740787</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_targetpos</name><description>Equatorial (ICRS) position of the target object.</description><ucd>pos.eq;src</ucd><utype>ssa:Target.pos.spoint</utype><dataType arraysize="2" extendedType="point" xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>ssa_snr</name><description>Signal-to-noise ratio at 500 nm (V500 spectra) or 400 nm (V1200 spectra)</description><ucd>stat.snr</ucd><utype>ssa:Derived.SNR</utype><stats><min>-22026.2</min><percentile03>-0.984124</percentile03><median>1.2687</median><percentile97>16.383</percentile97><max>75527.4</max><fillFactor>0.991863</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_location</name><description>ICRS location of aperture center</description><unit>deg</unit><ucd>pos.eq</ucd><utype>ssa:Char.SpatialAxis.Coverage.Location.Value</utype><dataType arraysize="2" extendedType="point" xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ssa_aperture</name><description>Angular diameter of aperture</description><unit>deg</unit><ucd>phys.angSize;instr.fov</ucd><utype>ssa:Char.SpatialAxis.Coverage.Bounds.Extent</utype><stats><min>0.0003</min><percentile03>0.0003</percentile03><median>0.0003</median><percentile97>0.0003</percentile97><max>0.0003</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_dateobs</name><description>Midpoint of exposure (MJD)</description><unit>d</unit><ucd>time.epoch</ucd><utype>ssa:Char.TimeAxis.Coverage.Location.Value</utype><stats><min>55357.9</min><percentile03>55393.4</percentile03><median>56480.9</median><percentile97>57121.9</percentile97><max>57378.2</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>ssa_timeext</name><description>Exposure duration</description><unit>s</unit><ucd>time.duration</ucd><utype>ssa:Char.TimeAxis.Coverage.Bounds.Extent</utype><stats><min>1800</min><percentile03>2400</percentile03><median>2700</median><percentile97>3600</percentile97><max>9600</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specmid</name><description>Midpoint of region covered in this dataset</description><unit>m</unit><ucd>instr.bandpass</ucd><utype>ssa:Char.SpectralAxis.Coverage.Location.Value</utype><stats><min>5.95e-08</min><percentile03>5.95e-08</percentile03><median>1.876e-07</median><percentile97>1.9e-07</percentile97><max>1.9e-07</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specext</name><description>Width of the spectrum</description><unit>m</unit><ucd>instr.bandwidth</ucd><utype>ssa:Char.SpectralAxis.Coverage.Bounds.Extent</utype><stats><min>1.19e-07</min><percentile03>1.19e-07</percentile03><median>3.752e-07</median><percentile97>3.8e-07</percentile97><max>3.8e-07</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specstart</name><description>Lower value of spectral coordinate</description><unit>m</unit><ucd>em.wl;stat.min</ucd><utype>ssa:Char.SpectralAxis.Coverage.Bounds.Start</utype><stats><min>3.65e-07</min><percentile03>3.65e-07</percentile03><median>3.701e-07</median><percentile97>3.749e-07</percentile97><max>3.749e-07</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_specend</name><description>Upper value of spectral coordinate</description><unit>m</unit><ucd>em.wl;stat.max</ucd><utype>ssa:Char.SpectralAxis.Coverage.Bounds.Stop</utype><stats><min>4.84e-07</min><percentile03>4.84e-07</percentile03><median>7.501e-07</median><percentile97>7.501e-07</percentile97><max>7.501e-07</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>ssa_length</name><description>Number of points in the spectrum</description><utype>ssa:Dataset.Length</utype><stats><min>1701</min><percentile03>1701.0</percentile03><median>1877.0</median><percentile97>1901.0</percentile97><max>1901</max><fillFactor>1.0</fillFactor></stats><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>raj2000</name><description>Right ascension of spectrum, ICRS</description><unit>deg</unit><ucd>pos.eq.ra;meta.main</ucd><stats><min>0.318688</min><percentile03>8.65888</percentile03><median>180.715</median><percentile97>352.624</percentile97><max>359.914</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>dej2000</name><description>Declination of spectrum, ICRS</description><unit>deg</unit><ucd>pos.eq.dec;meta.main</ucd><stats><min>-22.5588</min><percentile03>-9.05788</percentile03><median>23.7788</median><percentile97>62.5068</percentile97><max>84.0638</max><fillFactor>1</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>califaid</name><description>CALIFA id number of the target.</description><ucd>meta.id</ucd><stats><min>1</min><percentile03>20.0</percentile03><median>699.0</median><percentile97>3037.0</percentile97><max>9009</max><fillFactor>1.0</fillFactor></stats><dataType xsi:type="vs:VOTableType">short</dataType><flag>indexed</flag><flag>primary</flag></column><column><name>xindex</name><description>X index in the CALIFA grid; V1200 indices are pixel+1000.</description><ucd>pos.cartesian.x</ucd><stats><min>0</min><percentile03>19.0</percentile03><median>1056.0</median><percentile97>2067.0</percentile97><max>2077</max><fillFactor>1.0</fillFactor></stats><dataType xsi:type="vs:VOTableType">short</dataType><flag>indexed</flag><flag>primary</flag></column><column><name>yindex</name><description>Y index in the CALIFA grid; V1200 indexes are pixel+1000</description><ucd>pos.cartesian.y</ucd><stats><min>0</min><percentile03>15.0</percentile03><median>1052.0</median><percentile97>2064.0</percentile97><max>2072</max><fillFactor>1.0</fillFactor></stats><dataType xsi:type="vs:VOTableType">short</dataType><flag>indexed</flag><flag>primary</flag></column></table><table><name>califadr3.cubes</name><description> Metadata for the CALIFA data cubes as delivered by the project.</description><nrows>1574</nrows><column><name>accref</name><description>Access key for the data</description><ucd>meta.ref.url</ucd><utype>Access.Reference</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>owner</name><description>Owner of the data</description><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>embargo</name><description>Date the data will become/became public</description><unit>yr</unit><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>mime</name><description>MIME type of the file served</description><ucd>meta.code.mime</ucd><utype>Access.Format</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>accsize</name><description>Size of the data in bytes</description><unit>byte</unit><ucd>VOX:Image_FileSize</ucd><utype>Access.Size</utype><dataType xsi:type="vs:VOTableType">long</dataType><flag>nullable</flag></column><column><name>califaid</name><description>CALIFA internal object key</description><ucd>meta.id;meta.main</ucd><dataType xsi:type="vs:VOTableType">short</dataType></column><column><name>obs_id</name><description>Unique identifier for an observation</description><ucd>meta.id</ucd><utype>obscore:DataID.observationID</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>obs_title</name><description>Free-from title of the data set</description><ucd>meta.title;obs</ucd><utype>obscore:dataid.title</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>obs_publisher_did</name><description>Dataset identifier assigned by the publisher.</description><ucd>meta.ref.ivoid</ucd><utype>obscore:curation.publisherdid</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>target_name</name><description>Object a targeted observation targeted</description><ucd>meta.id;src</ucd><utype>obscore:Target.Name</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>t_exptime</name><description>Total exposure time</description><unit>s</unit><ucd>time.duration;obs.exposure</ucd><utype>obscore:char.timeaxis.coverage.support.extent</utype><stats><min>0</min><percentile03>10</percentile03><median>720</median><percentile97>6960</percentile97><max>93480</max><fillFactor>0.00296283</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>t_min</name><description>Lower bound of times represented in the data set</description><unit>d</unit><ucd>time.start;obs.exposure</ucd><utype>obscore:char.timeaxis.coverage.bounds.limits.starttime</utype><stats><min>-6146.5</min><percentile03>55450.1</percentile03><median>56458.3</median><percentile97>58149</percentile97><max>59214.2</max><fillFactor>0.620126</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>t_max</name><description>Upper bound of times represented in the data set</description><unit>d</unit><ucd>time.end;obs.exposure</ucd><utype>obscore:char.timeaxis.coverage.bounds.limits.stoptime</utype><stats><min>-6146.5</min><percentile03>56286</percentile03><median>57626</median><percentile97>58738.1</percentile97><max>63023.5</max><fillFactor>0.620108</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>s_region</name><description>Region covered by the observation, as a polygon</description><ucd>pos.outline;obs.field</ucd><utype>obscore:char.spatialaxis.coverage.support.area</utype><dataType arraysize="*" extendedType="adql:REGION" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>em_min</name><description>Minimal wavelength represented within the data set</description><unit>m</unit><ucd>em.wl;stat.min</ucd><utype>obscore:char.spectralaxis.coverage.bounds.limits.lolimit</utype><stats><min>1.23881e-17</min><percentile03>3.184e-07</percentile03><median>4.8e-07</median><percentile97>8.6e-07</percentile97><max>1.83772</max><fillFactor>0.996148</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>em_max</name><description>Maximal wavelength represented within the data set</description><unit>m</unit><ucd>em.wl;stat.max</ucd><utype>obscore:char.spectralaxis.coverage.bounds.limits.hilimit</utype><stats><min>1.23881e-15</min><percentile03>3.6e-07</percentile03><median>6.99e-07</median><percentile97>1.12e-06</percentile97><max>2.49282</max><fillFactor>0.996148</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>em_res_power</name><description>Spectral resolving power lambda/delta lambda</description><ucd>spect.resolution</ucd><utype>obscore:char.spectralaxis.resolution.resolpower.refval</utype><stats><min>-155025</min><percentile03>63.52</percentile03><median>64.6</median><percentile97>44636.4</percentile97><max>473803</max><fillFactor>0.345989</fillFactor></stats><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>s_ra</name><description>Right ascension of galaxy center, J2000, from NED</description><unit>deg</unit><ucd>pos.eq.ra</ucd><utype>obscore:char.spatialaxis.coverage.location.coord.position2d.value2.c1</utype><stats><min>0</min><percentile03>20.1413</percentile03><median>209.025</median><percentile97>341.714</percentile97><max>360</max><fillFactor>0.982073</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>s_dec</name><description>Declination of galaxy center, J2000, from NED</description><unit>deg</unit><ucd>pos.eq.dec</ucd><utype>obscore:char.spatialaxis.coverage.location.coord.position2d.value2.c2</utype><stats><min>-89.9161</min><percentile03>-63.4054</percentile03><median>-18.9582</median><percentile97>56.4805</percentile97><max>89.988</max><fillFactor>0.982073</fillFactor></stats><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>em_xel</name><description>Number of elements (typically pixels) along the spectral axis.</description><ucd>meta.number</ucd><utype>obscore:Char.SpectralAxis.numBins</utype><stats><min>1</min><percentile03>1.0</percentile03><median>1.0</median><percentile97>3900.0</percentile97><max>686196</max><fillFactor>0.8303535</fillFactor></stats><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>obs_ext_mean</name><description>Mean atmospheric extinction in V band over all pointings.</description><unit>mag</unit><ucd>obs.atmos.extinction;em.opt.V;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>obs_ext_max</name><description>Maximal atmospheric extinction in V band band among all pointings.</description><unit>mag</unit><ucd>obs.atmos.extinction;em.opt.V;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>obs_ext_rms</name><description>RMS atmospheric extinction in V band band over all pointings</description><unit>mag</unit><ucd>stat.error;obs.atmos.extinction;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_obs_ext</name><description>Quality flag for atmospheric extinction in V band (determined as the most severe over mean, max, and rms</description><ucd>meta.code.qual;obs.atmos.extinction;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>obs_am_mean</name><description>Mean airmass (secz) over all pointings.</description><unit>mag</unit><ucd>obs.airMass;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>obs_am_max</name><description>Maximal airmass (secz) band among all pointings.</description><unit>mag</unit><ucd>obs.airMass;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>obs_am_rms</name><description>RMS airmass (secz) band over all pointings</description><unit>mag</unit><ucd>stat.error;obs.airMass</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_obs_am</name><description>Quality flag for airmass (secz) (determined as the most severe over mean, max, and rms</description><ucd>meta.code.qual;obs.airMass</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>red_disp_mean</name><description>Mean spectral dispersion FWHM over all pointings.</description><unit>0.1nm</unit><ucd>instr.dispersion;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_disp_max</name><description>Maximal spectral dispersion FWHM band among all pointings.</description><unit>0.1nm</unit><ucd>instr.dispersion;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_disp_rms</name><description>RMS spectral dispersion FWHM band over all pointings</description><unit>0.1nm</unit><ucd>stat.error;instr.dispersion</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_red_disp</name><description>Quality flag for spectral dispersion FWHM (determined as the most severe over mean, max, and rms</description><ucd>meta.code.qual;instr.dispersion</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>red_cdisp_mean</name><description>Mean cross-dispersion FWHM over all pointings.</description><unit>pixel</unit><ucd>instr.dispersion;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_cdisp_max</name><description>Maximal cross-dispersion FWHM band among all pointings.</description><unit>pixel</unit><ucd>instr.dispersion;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_cdisp_rms</name><description>RMS cross-dispersion FWHM band over all pointings</description><unit>pixel</unit><ucd>stat.error;instr.dispersion</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_red_cdisp</name><description>Quality flag for cross-dispersion FWHM (determined as the most severe over mean, max, and rms</description><ucd>meta.code.qual;instr.dispersion</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>red_resskyline_min</name><description>Flux residual of a bright skyline (at 557.7 nm for V500, 435.8 nm for V1200), minimum over all pointings</description><unit>count</unit><ucd>stat.fit.residual;spect.line;stat.min</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_resskyline_max</name><description>Flux residual of a bright skyline (at 557.7 nm for V500, 435.8 nm for V1200), maximum over all pointings</description><unit>count</unit><ucd>stat.fit.residual;spect.line;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_rmsresskyline_max</name><description>RMS flux residual over all fibers of a bright skyline (at 557.7 nm for V500, 435.8 nm for V1200), maximum over all pointings</description><unit>count</unit><ucd>stat.fit.residual;spect.line;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_red_skylines</name><description>Flag denoting problems with the sky substraction</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>red_meanstraylight_max</name><description>Maximum of mean straylight intensity over all pointings</description><unit>count</unit><ucd>instr.background;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_maxstraylight_max</name><description>Maximum of maximum straylight intensity over all pointings</description><unit>count</unit><ucd>instr.background;stat.max</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_rmsstraylight_max</name><description>Maximum of RMS straylight intensity over all pointings</description><unit>count</unit><ucd>instr.background</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_red_straylight</name><description>Flag for critical straylight.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>obs_skymag_mean</name><description>Mean V band sky surface brightness over all pointings.</description><unit>mag/arcsec**2</unit><ucd>phot.mag.sb;instr.skyLevel;em.opt.V;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>obs_skymag_rms</name><description>RMS of V band sky surface brightness over all pointings.</description><unit>mag/arcsec**2</unit><ucd>stat.error;phot.mag.sb;instr.skyLevel;em.opt.V</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_obs_skymag</name><description>Flag for critical sky surface brightness.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>red_limsb</name><description>3-sigma limiting surface brightness in B band in mag.</description><unit>mag/arcsec**2</unit><ucd>phot.mag.sb;em.opt.B;stat.min</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>red_limsbflux</name><description>3-sigma limiting surface brightness in B band as flux.</description><unit>1e3J.cm**-2.s**-1.m**-1.arcsec**-2</unit><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_red_limsb</name><description>Flag for critical limiting surface brightness sensitivity.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>red_frac_bigerr</name><description>Fraction of bad pixels (error larger than five times the value) in this cube.</description><ucd>instr.det.noise;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_red_errspec</name><description>Flag indicating excessive bad pixels.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>cal_qflux_g</name><description>Average flux ratio relative to SDSS g mean over all pointings</description><ucd>phot.flux;em.opt.V;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>cal_qflux_r</name><description>Average flux ratio relative to SDSS r mean over all pointings</description><ucd>phot.flux;em.opt.R;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>cal_qflux_rms</name><description>Average flux ratio relative to SDSS g and r RMS over all pointings</description><ucd>stat.error;em.opt;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_cal_specphoto</name><description>Flag for problems with spectro-photometric calibration.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>cal_rmsvelmean</name><description>RMS of radial velocity residuals of estimates based on 3 or 4 spectral subranges wrt the estimates from the full spectrum.</description><unit>km/s</unit><ucd>stat.error;instr.calib</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>flag_cal_wl</name><description>Flag for critical wavelength calibration stability.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>flag_cal_imgqual</name><description>Flag for visually evident problems in this cube</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>flag_cal_specqual</name><description>Flag for visually evident problems in a 30''-aperture spectrum generated from this cube</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>cal_flatsdss</name><description>Flag for visually evident problems in the `SDSS flat' (see source paper); NULL here means: no SDSS flat applied.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>flag_cal_registration</name><description>Flag for visually evident problems in the registration of the synthetic broad-band image with SDSS and related procedures.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>flag_cal_v1200v500</name><description>Set if a visual check for the 30''-aperture integrated spectra in V500, V1200, and COMB showed problems.</description><ucd>meta.code.qual</ucd><dataType xsi:type="vs:VOTableType">short</dataType><flag>nullable</flag></column><column><name>obs_seeing_mean</name><description>Mean FWHM seeing over all pointings</description><unit>arcsec</unit><ucd>instr.obsty.seeing;stat.mean</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>obs_seeing_rms</name><description>RMS of FWHM seeing over all pointings</description><unit>arcsec</unit><ucd>stat.error;instr.obsty.seeing</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>cal_snr1hlr</name><description>Signal to noise ratio at the half-light ratio.</description><ucd>stat.snr</ucd><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>notes</name><description>Notes</description><ucd>meta.note</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>setup</name><description>Instrument setup (V500, V1200, or COMBO)</description><ucd>meta.code;instr</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column></table></schema></tableset></ri:Resource>