VizieR

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

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

  
J/ApJS/276/72
  The HETEDEX AGN catalog 4th data release (HDR4) (Liu+, 2025)
ReadMe+ftp
2025ApJS..276...72L
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/276/72/hdr4HETDEX HDR4 AGN catalog (original column names in green) (15940 rows)

Simple ConstraintList Of Constraints
 
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)
  Seq   [0/15939] Running sequence number (agnid) (meta.id;meta.main)
  RAJ2000 deg (i) [5.9/335.1] FoF center right ascension (J2000) (ra) (Note 1)   (pos.eq.ra;meta.main)
  DEJ2000 deg (i) [-2.5/68] FoF center declination (J2000) (dec) (Note 1)   (pos.eq.dec;meta.main)
  z   [0.085/4.61] Redshift (z) (src.redshift)
  e_z   [0/0.009] z uncertainty (z_err) (stat.error;src.redshift)
  f_z   [0/1] Flag on z (1=confirmed z) (zflag) (meta.code)
  f_Seq   [0/1] Flag on Seq (1=confirmed AGN) (agn_flag) (meta.code)
  Meth  (n) [0/3] Method flag (sflag) (Note 2)   (meta.code)
  Field (char) Field name in the HETDEX survey (field) (meta.id;obs.field)
  Nshot   [0/15] Number of the observed shots of (R.A., decl.) (nshot) (meta.number)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  Nmem   [1/96] Number of member detectids (nmem) (meta.number)
  BestDet   [3000035705/4090574155] Detectid closest to the FoF center (detectid_best) (meta.id)
  RABdeg deg Right ascension (J2000) of BestDet (ra_best) (Note 3)   (pos.eq.ra)
  DEBdeg deg Declination (J2000) of BestDet (dec_best) (Note 3)   (pos.eq.dec)
  roff arcsec [0/2.2] Offset between RABdeg,DEBdeg with FoF center (roff) (pos;arith.diff)
  gmag mag [16.3/32.5] HETDEX g-band magnitude measured at RABdeg,DEBdeg (mag_g_wide) (Note 4)   (phot.mag;em.opt.B)
  e_gmag mag (n) [0/999] Uncertainty on gmag (mag_g_wide_err) (Note 4)   (stat.error;phot.mag;em.opt.B)
  fiberid (char) ID of the fiber that is closest to BestDet (fiberid) (meta.id)
  shotid   [20170126002/20230826016] ID of the shot for BestDet (shotid) (meta.id)
  multiframe (char) IFU for BestDet (multiframe) (meta.id)
  TghPut   [0.08/0.6] Throughput of shotid (throughput) (Note 5)   (stat.fit.param)
  FWHM-virus arcsec [1.2/3.2] Image quality (FWHM) of shotid (fwhm_virus) (instr.det.psf)
  e_FWHM-virus arcsec [0/0.99] FWHM-virus uncertainty (fwhm_virus_err) (stat.error;instr.det.psf)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  apcor   [-99/0.99] Aperture correction of BestDet (a value of 1 means no correction) (apcor) (phot.mag;arith.diff)
  LamObsElix 0.1nm [3476.6/5530.6] Observed line wavelength fit by ELIXER (wobs_elixer) (em.wl)
  e_LamObsElix 0.1nm [0/11.4] LamObsElix uncertainty (wobs_err_elixer) (stat.error)
  FLya 10-17mW/m2(n) [0/17659] Rest-frame flux of the Lya{lambda}1215 emission (flux_LyA) (phot.flux;em.line.Lyalpha)
  SNRLya  (n) [0/350] SNR of Lya (snr_LyA) (stat.snr;em.line.Lyalpha)
  FWHMLya km.s-1 (n) [0/22328] Rest-frame FWHM of the LyA emission (fwhm_LyA) (spect.line.width;em.line.Lyalpha)
  EWLya 0.1nm (n) [0/28020] Rest-frame EW of the LyA emission (ew_LyA) (spect.line.eqWidth;em.line.Lyalpha)
  FCIV 10-17mW/m2(n) [0/16457] Rest-frame flux of the CIV{lambda}1549 emission (flux_CIV) (phot.flux)
  SNRCIV  (n) [-99/226] SNR of CIV (snr_CIV) (stat.snr)
  FWHMCIV km.s-1 (n) [0/19355] Rest-frame FWHM of the CIV emission (fwhm_CIV) (spect.line.width)
  EWCIV 0.1nm (n) [-449/2.6e+15] Rest-frame EW of the CIV emission (ew_CIV) (spect.line.eqWidth)
  FCIII 10-17mW/m2(n) [0/6615] Rest-frame flux of the CIII]{lambda}1909 emission (flux_CIII) (phot.flux)
  SNRCIII  (n) [-99/123] SNR of CIII (snr_CIII) (stat.snr)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  FWHMCIII km.s-1 (n) [0/15670] Rest-frame FWHM of the CIII emission (fwhm_CIII) (spect.line.width)
  EWCIII 0.1nm (n) [-3.9/1.8e+15] Rest-frame EW of the CIII emission (ew_CIII) (spect.line.eqWidth)
  FMgII 10-17mW/m2(n) [0/6738] Rest-frame flux of the MgII]{lambda}2799 emission (flux_MgII) (phot.flux)
  SNRMgII  (n) [-99/155] SNR of MgII (snr_MgII) (stat.snr)
  FWHMMgII km.s-1 (n) [0/10663] Rest-frame FWHM of the MgII emission (fwhm_MgII) (spect.line.width)
  EWMgII 0.1nm (n) [-8.2/9999] Rest-frame EW of the MgII emission (ew_MgII) (spect.line.eqWidth)
  FOVI 10-17mW/m2(n) [0/7587] Rest-frame flux of the OVI{lambda}1034 emission (flux_OVI) (phot.flux)
  SNROVI  (n) [-99/233] SNR of OVI (snr_OVI) (stat.snr)
  FWHMOVI km.s-1 (n) [0/29015] Rest-frame FWHM of the OVI emission (fwhm_OVI) (spect.line.width)
  EWOVI 0.1nm (n) [-36/7.7e+14] Rest-frame EW of the OVI emission (ew_OVI) (spect.line.eqWidth)
  LamPipe 0.1nm (n) [3485.8/5530.6] Observed line wavelength from the HETDEX pipeline (wave_pipe) (em.wl)
  FPipe 10-17mW/m2 [0/2071] Observed line flux from the HETDEX pipeline (flux_pipe) (phot.flux;spect.continuum)
  ContPipe 10-17cW/m2/nm [-12.5/224] Observed continuum from the HETDEX pipeline (continuum_pipe) (phot.flux)
  sigmaPipe 0.1nm [0/50] Observed sigma from the pipeline's single Gaussian fit (linewidth_pipe) (spect.line.width)
  SNRPipe   [0/186] SNR from the pipeline's single Gaussian fit (sn_pipe) (stat.snr)
  chi2Pipe   [0/6] Chi2 from the pipeline's single Gaussian fit (chi2_pipe) (stat.fit.chi2)
  chi2fibPipe   [0/9.8] Chi2 of fit to 2D spectrum for each fiber (>4 usually indicates issues) (chi2fib_pipe) (stat.fit.chi2)
  SepDR16Q arcsec (n) [0.01/3.5] Separation between the matched SDSS DR16Q AGN (rsep_dr16q) (pos.angDistance)
  zDR16Q  (n) [0.08/6.4] Redshift of the matched SDSS DR16Q AGN (z_dr16q) (src.redshift)
  SDSS (char) SDSS DR16Q AGN identifier (HHMMSS.ss+DDMMSS.s; J2000) (sdssid_dr16q) (meta.id.cross)
  f_SDSS   [0/1] Flag on SDSS (0=not in SDSS DR16Q) (sdss_flag) (meta.code)
  Sloan  Display the online SDSS-DR18 data for the nearest object (meta.ref.url)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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