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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/ApJ/831/165
  RR Lyrae as tracers in the Virgo overdensity region (Vivas+, 2016)
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1.J/ApJ/831/165/table1(c)Heliocentric radial velocity for the RR Lyrae stars from individual SDSS DR12 spectra (423 rows)
2.J/ApJ/831/165/table2(c)Heliocentric Hbeta and Hgamma radial velocity for the RR Lyrae stars observed with the SOAR telescope (6 rows)
3.J/ApJ/831/165/table3(c)Heliocentric Halpha, Hbeta and Hgamma radial velocity for the RR Lyrae stars observed with the WIYN telescope (49 rows)
4.J/ApJ/831/165/table4(c)Position, light curve parameters, distance and radial velocity for the RR Lyrae stars (412 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)PhSurv (char) Photometric Survey where the RR Lyrae star was catalogued (Note G1)   (meta.id)
   (ALL)ID (char) ID of the RR Lyrae star in the Photometric Survey (Note G2)   (meta.id;meta.main)
  (1)SpSurv (char) SDSS spectroscopic survey (boss, sdss or segue1) (meta.id)
  (1+2+3)HJD d Heliocentric Julian Date of the spectrum at mid-exposure (time.epoch)
  (1+2+3)Exp s [900/6902] Exposure Time of the spectrum (time.duration;obs.exposure)
  (1+4)HRV km/s [-196/383] Heliocentric radial velocity (spect.dopplerVeloc;pos.heliocentric)
  (1)e_HRV km/s [1/30] Error in the heliocentric radial velocity (stat.error)
  (1+4)LSQ  (n)Data from LSQ (Zinn+, 2014, J/ApJ/781/22) within 1" (meta.ref.url)
  (1+4)QUEST  (n)Data from QUEST (Vivas+, 2004, J/AJ/127/1158 and Duffau+, 2014, J/A+A/566/A118) within 1" (meta.ref.url)
  (1+4)CRTS  (n)Data from CRTS (Drake+, 2013, J/ApJ/763/32; J/ApJ/765/154; J/ApJS/213/9 and Abbas+, 2014, J/MNRAS/441/1230) within 1" (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1+4)LINEAR  (n)Data from LINEAR (Sesar+, 2013, J/AJ/146/21) within 1" (meta.ref.url)
  (1+4)SEKBO  (n)Data from SEKBO (Prior+, 2009, J/ApJ/691/306) within 1" (meta.ref.url)
   (ALL)All (char) Display all data for this star in this catalogue (tables 1-4) (meta.ref.url)
   (ALL)Sloan (char) Display the online SDSS data for the nearest object (meta.ref.url)
  (1+4)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (1+2+3)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (1+2+3)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (2+3)HRV(Hb) km/s [30/325] Heliocentric radial velocity measured at the Balmer line Hβ (spect.dopplerVeloc;pos.heliocentric)
  (2)e_HRV(Hb) km/s [10/32] Error in HRV(Hb) (stat.error)
  (2+3)HRV(Hg) km/s [-23/363] Heliocentric radial velocity measured at the Balmer line Hγ (spect.dopplerVeloc;pos.heliocentric)
  (2)e_HRV(Hg) km/s [15/43] Error in HRV(Hg) (stat.error)
  (2+3)SCat  (n)Data from LSQ (Zinn+, 2014, J/ApJ/781/22), QUEST (Vivas+, 2004, J/AJ/127/1158), CRTS (Drake+, 2013, J/ApJS/213/9) and LINEAR (Sesar+, 2013, J/AJ/146/21) within 1" (meta.ref.url)
  (2+3)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)HRV(Ha) km/s [-201/321] Heliocentric radial velocity measured at the Balmer line Hα (spect.dopplerVeloc;pos.heliocentric)
  (4)RAJ2000 deg (i) Right Ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
  (4)DEJ2000 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
  (4)Type (char) Type of RR Lyrae star ("ab": 271 stars or "c": 141 stars) (meta.note)
  (4)Vmag mag [13.6/20.1] Mean magnitude in the V-band (phot.mag;em.opt.V)
  (4)Per d [0.2/0.9] Period (time.period)
  (4)VAmp mag [0.1/1.5] Amplitude in the V-band (phot.mag;em.opt.V)
  (4)Dist kpc [4/77] Distance from the Sun (pos.distance;pos.heliocentric)
  (4)Nsp   [1/6] Number of spectra used to derive the radial velocity (meta.number)
  (4)Vgsr km/s [-292/301] Systemic velocity in the galactic standard of rest (phys.veloc;pos.galactic)
  (4)e_Vgsr km/s [2/42] Error in the systemic velocity (stat.error)
  (4)Group  (n) [1/10] Group to which the star belongs (Note 1)   (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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