Table Description:
This table is available for ADQL queries and through the TAP endpoint.
Resource Description:
For a list of all services and tables belonging to this table's resource, see Information on resource 'Lightmeter Data'
Resource Reference URL: Resource info
This table has an associated publication. If you use data from it, it may be appropriate to reference http://lightmeter.astronomy2009.at either in addition to or instead of the service reference.
To cite the table as such, we suggest the following BibTeX entry:
@MISC{vo:lightmeter_stati, year=2009, title={Lightmeter Data}, author={Wuchterl, G. and The Lightmeter community}, url={https://dc.g-vo.org/tableinfo/lightmeter.stations}, howpublished={{VO} resource provided by the {GAVO} Data Center} }
This database of lightmeter measurements is made available under the Open Database License: http://opendatacommons.org/licenses/odbl/1.0/.
Any rights in individual contents of the database are licensed under the Database Contents License: http://opendatacommons.org/licenses/dbcl/1.0/
Sorted by DB column index. [Sort alphabetically]
Name | Table Head | Description | Unit | UCD |
---|---|---|---|---|
stationId | Station ID | Identifier of the measuring station, starting with an ISO CC | N/A | meta.id;meta.main |
lat | Lat. | Latitude of the observing station | deg | pos.earth.lat |
long | Long. | Longitude of the observing station | deg | pos.earth.lon |
height | Height | Height above sea level | m | pos.earth.altitude |
fullname | Name | Full name of the station | N/A | meta.id |
devtype | Type | Device type (as in: IYA Lightmeter, SQM, ...) | N/A | meta.code;instr |
timeCorrection | dt | Seconds to add to this stations reported times to obtain UTC | N/A | N/A |
calibA | Cal. a | Calibration parameter, a [Note cal] | N/A | instr.calib |
calibB | Cal. b | Calibration parameter, b [Note cal] | N/A | instr.calib |
calibC | Cal. c | Calibration parameter, c [Note cal] | W.m**-2 | instr.calib |
calibD | Cal. d | Calibration parameter, d [Note cal] | K**-1 | instr.calib |
Columns that are parts of indices are marked like this.
The following services may use the data contained in this table:
VO nerds may sometimes need VOResource XML for this table.
The calibration parameters are used to convert raw counts to actual fluxes using the formula:
Phi = c (b (a exp(n (1+dT)/a)-1)+n)
where n is the raw count, T the instrument temperature and Phi is a flux in units of c.