SDSSWDSD ivo://nasa.heasarc/sdsswdsd NASA/GSFC HEASARC Eisenstein et al. 2026-10-09 NASA/GSFC HEASARC help desk heasarc-vo at athena.gsfc.nasa.gov Star No Description Available 2006ApJS..167...40E https://heasarc.gsfc.nasa.gov/W3Browse/all/sdsswdsd.html Catalog Research served-by HEASARC TAP https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffsets&table=sdsswdsd& GET text/xml 180 99999 true 1.685668 -11.221349 0.0166666666666667 https://heasarc.gsfc.nasa.gov/xamin/vo/tap https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=sdsswdsd GET text/xml https://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/w3query.pl?tablehead=name=heasarc_sdsswdsd&Action=More+Options&Action=Parameter+Search&ConeAdd=1 STAR CATALOG 0.0166666666666667 Optical public sdsswdsd Sloan Digital Sky Survey DR4 White Dwarf & Hot Subdwarf Catalog name IAU Object Designation meta.id;meta.main char nullable ra Right Ascension degree pos.eq.ra;meta.main double nullable dec Declination degree pos.eq.dec;meta.main double nullable gmag SDSS g-Band PSF as Observed Magnitude mag phot.mag;em.opt double nullable gmag_flag Photometry Flag on g Magnitude meta.code;phot.mag;em.opt char nullable autofit_eff_temp Autofit Effective Temperature (K) K int nullable autofit_red_chisquared Autofit Chi Squared per Degree of Freedom double nullable plate_number Plate Number short nullable ref_spect_type Provenance of the SDSS Classification meta.ref;src.spType char nullable imag SDSS i-Band PSF as Observed Magnitude mag phot.mag;em.opt.I double nullable rmag_flag Photometry Flag on r Magnitude meta.code;phot.mag;em.opt.R char nullable sdss_run_number SDSS Run Number meta.id;obs short nullable pm_tot Proper Motion (mas/yr) mas/yr double nullable spectrum_gmag_snr Signal-to-Noise Ratio of Spectrum in g Band double nullable lii Galactic Longitude degree pos.galactic.lon double nullable sdss_camera_column SDSS Camera Column short nullable pm_pa Proper Motion Position Angle (degree) degree double nullable gmag_extinction Extinction in the g Band mag double nullable pm_ra Proper Motion in Right Ascension (mas/yr) mas/yr pos.pm;pos.eq.ra double nullable spect_type Spectral Classification src.spType char nullable umag_flag Photometry Flag on u Magnitude meta.code;phot.mag;em.opt.U char nullable zmag_error Error in z Magnitude mag stat.error;phot.mag;em.opt double nullable dec_prim_target_flag Decimal PrimTarget Flag int nullable fiber_number Fiber Number short nullable autofit_log_g_error Error in Log of Surface Gravity in Units of cm/s^2 log(cm/s^2) double nullable sdss_rerun_number SDSS Rerun Number short nullable imag_flag Photometry Flag on i Magnitude meta.code;phot.mag;em.opt.I char nullable wd_name McCook & Sion (1999) WD Catalog Identification meta.id char nullable dec_sec_target_flag Decimal SecTarget Flag short nullable umag SDSS u-Band PSF as Observed Magnitude mag phot.mag;em.opt.U double nullable class Browse Object Classification src.class short nullable gmag_error Error in g Magnitude mag stat.error;phot.mag;em.opt double nullable hex_prim_target_flag Hexadecimal PrimTarget Flag char nullable bii Galactic Latitude degree pos.galactic.lat double nullable sdss_field_number SDSS Field Number meta.id;obs short nullable primary_flag Flag Indicates Primary Spectrum short nullable sdss_id_number SDSS Identification Number meta.id short nullable spectrum_date Date of Spectroscopic Observation mjd int nullable imaging_date Date of Imaging Observation mjd double nullable autofit_eff_temp_error Error in Autofit Effective Temperature K int nullable zmag_flag Photometry Flag on z Magnitude meta.code;phot.mag;em.opt char nullable autofit_element_flag Autofit Atmosphere Element Flag char nullable imag_error Error in i Magnitude mag stat.error;phot.mag;em.opt.I double nullable broad_class Dwarf or Subdwarf Broad Classification src.class char nullable rmag_error Error in r Magnitude mag stat.error;phot.mag;em.opt.R double nullable zmag SDSS z-Band PSF as Observed Magnitude mag phot.mag;em.opt double nullable autofit_quality_flag Autofit Quality Flag char nullable deblend_flag Flag Indicates Object Was Not Deblended char nullable hex_sec_target_flag Hexadecimal SecTarget Flag char nullable umag_error Error in u Magnitude mag stat.error;phot.mag;em.opt.U double nullable pm_dec Proper Motion in Declination (mas/yr) mas/yr pos.pm;pos.eq.dec double nullable rmag SDSS r-Band PSF as Observed Magnitude mag phot.mag;em.opt.R double nullable autofit_log_g Autofit Log of Surface Gravity in Units of cm/s^2 log(cm/s^2) double nullable "__x_ra_dec" System unit vector column double nullable "__y_ra_dec" System unit vector column double nullable "__z_ra_dec" System unit vector column double nullable "__row" System index column char nullable