CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .


Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  Gal. midplane Spitzer/IRAC candidate YSOs (SPICY) (Kuhn+, 2021)
Post annotation
1.J/ApJS/254/33/fig25ZTF light curves for 7585 YSO candidates showing strong variability (original column names in green) (1045306 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  ID  (n) Object identifier (oid) (
  ExpID  (n) [44350541/109212187] Exposure ID (
  HJD d (i) Heliocentric Julian Date (time.epoch)
  MJD d [58197.5/58846.2] Modified Julian Date (HJD-24000000.5) (time.epoch)
  mag mag [12.22/22.23] ZTF magnitude (phot.mag;em.opt.R)
  e_mag mag [0/0.5] Uncertainty in mag (magerr) (stat.error;phot.mag)
  Flags  (n) [0/4352] Catalog flags for source from PSF-fitting catalog (catflags) (meta.code.error)
  Filt (char) [zr] Catalog filter code; always "zr" = R-band observations (filtercode) (meta.note)
  RAJ2000 deg (i) Right ascension (J2000) (ra) (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination (J2000) (dec) (pos.eq.dec;meta.main)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  chi2   [0.03/35] Chi-squared statistic for PSF fit (chi) (
  sharp   [-2/3.3] Sharpness of source (
  FracDay  (n) Exposure file time stamp, with decimal representation YYYYMMDDdddddd: year, month, day, and fractional day (filefracday) (time.epoch)
  Field  (n) [280/1861] Field identifier (;obs.field)
  CCD  (n) [1/16] CCD number (ccdid) (;instr)
  qID  (n) [1/4] Quadrant ID (;instr)
  magLim mag [17.7/22.1] Approximate 5-sigma limiting magnitude corresponding to epoch-based PSF-fit catalog (limitmag) (phot.mag)
  magZP mag [25.39/26.5] Magnitude zeropoint from photometric calibration (phot.mag;arith.zp)
  e_magZP mag [0.01/0.05] RMS deviation in magnitude zeropoint (magzprms) (stat.error)
  Col   [-0.016/0.2] Color coefficient from linear fit (clrcoeff) (
  e_Col   [1.3e-6/0.0007] Color coefficient uncertainty from linear fit (clrcounc) (stat.error)
  Exp s [30] Exposure time from scheduler (always "30") (exptime) (time.duration;obs.exposure)
  Airmass   [1/2.91] Airmass at approximately the center of the focal plane at time of exposure (obs.airMass)
  PID  (n) [1/3] Program ID (programid) (;obs)
  SPICY   [53590/117446] SPICY designation (;meta.main)
  Spitzer (char) Designation of the Spitzer source (sst_desig) (

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