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  X-ray luminosities of SDSS DR7 clusters from RASS (Wang+, 2014)
Post annotation
1.J/MNRAS/439/611/catalogSDSS-RASS catalog (64646 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Group  Optical Group ID (
  Galaxy  Central galaxy ID of this group (;meta.main)
  NYUVAGC  Central galaxy ID in NYUVAGC catalog (Note 1)   (
  flagb1   [0/11] multi-z flag b1 (Note 2)   (meta.code.error)
  flagb2   [0/4] multi-z flag b2 (Note 3)   (meta.code.error)
  flagb3   [0/1] multi-z flag b3 (Note 4)   (meta.code.error)
  MSID   [1/4] Mass sequence ID for central, the k-th most massive galaxy in a group, k≤4 (;phys.mass;obs.sequence)
  O-X arcmin Offset between the optical galaxy and X-ray cluster center (pos.angDistance)
  RAJ2000 deg (i) Right ascension of the X-ray cluster (J2000) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination of the X-ray cluster (J2000) (pos.eq.dec;meta.main)

ALL cols
 (i)indexed column
  CRate ct/s X-ray photons count rate (in 0.1-2.4keV) in detection radius 0.5*r200 (phot.count;em.X-ray)
  e_CRate ct/s Error for the count rate (stat.error)
  RX arcmin Radius of the extended X-ray source, here Rx = 0.5*r200 (phys.angSize;src)
  Flux 10-15W/m2X-ray flux (phot.flux;em.X-ray)
  LX 10+37W X-ray luminosity of a cluster in 0.1-2.4keV (phys.luminosity;em.X-ray)
  LB 10+37W Bolometric luminosity (derived from LX) (phys.luminosity;em.opt.B)
  ExtCorr  beta model correction factor for the 'missing' fraction of the total projected source emission (ext_corr) (arith.factor)
  sigma km/s Velocity dispersion derived from the optical halo mass (Note 5)   (phys.veloc.dispersion)
  Ngal  Number of galaxies in the group (meta.number)
  T keV Gas temperature of the group derived from the velocity dispersion sigma (Note 6)   (phys.temperature)
  logNH [cm-2] Galactic hydrogen column density (phys.columnDensity;pos.galactic)
  Aexpo s Average exposure time on the detection (time.duration;obs.exposure;stat.mean)
  z  Optical spectroscopic redshift of the central galaxy (src.redshift)
  Apr500 arcmin Aperture of r500 (phys.angSize;instr.fov)
  S/N  Signal to noise ratio of the X-ray detection (stat.snr)
  fmulti  Flux fraction of a X-ray source in a multi-cluster detection, see Eq.5 in this paper (phot.flux;em.X-ray)
  Sloan  Display the SDSS data for this cluster (meta.ref.url)

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