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/240/6
  LAMOST Quasar Survey: Data Releases 4 and 5 (Yao+, 2019)
ReadMe+ftp
2019ApJS..240....6Y
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJS/240/6/catalogQuasars identified in LAMOST DR4 and DR5 (original column names in green) (19253 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. ((unassigned);phys.atmol.qn.J;arith.grad;phys.veloc)
  ObsID   [353601018/584816178] Unique spectra ID in LAMOST database ((unassigned);em.freq;(unassigned);spect.line.veloc;stat.median)
  ObsDate "Y:M:D" (n)(i) Target observation date (instr.plate.emulsion;em.radio.400-750MHz;arith.factor;pos.centroid;stat.param)
  LAMOST (char) LAMOST designation (JHHMMSS.ss+DDMMSS.ss) (NAME) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  RAJ2000 deg (i) Right ascension (J2000) (RA) ((unassigned);(unassigned);stat.min;(unassigned);arith)
  DEJ2000 deg (i) [-6.9/60.4] Declination (J2000) (DEC) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  LMJD d [57279/57920] Local modified Julian day of observation (Note 1)   ((unassigned);(unassigned);(unassigned);pos.centroid;stat.param)
  planID (char) Spectroscopic plan identification (Note 1)   ((unassigned);em.mm.100-200GHz;arith;time.lifetime)
  spID   [1/16] Spectrograph identification (Note 1)   ((unassigned);obs.atmos.extinction;arith.factor;spect.line.veloc;meta.code.qual)
  fiberID   [1/250] Spectroscopic fiber number (Note 1)   ((unassigned);meta.unit;arith.factor;phys.veloc.orbital)
  z   [0.001/5.4] Redshift based on visual inspection (Z_VI) ((unassigned);pos.wcs.naxis;arith.grad;pos.parallax;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  q_z   [0/1] ZWARNING flag based on visual inspection (1=not robust) (ZWARNING) ((unassigned);(unassigned);(unassigned);pos.cartesian;pos.parallax;meta.main)
  Flag   [0/1110] Flag of quasar candidate selection (SOURCE_FLAG) (Note 2)   ((unassigned);phys.at.moment.magnetic;arith;pos.eq.dec)
  iMAG mag (n) [-33.8/-9.4] Absolute i-band magnitude K-corrected to z=2, Mi(z=2) (Mi_Z2) (Note 3)   (phot.color;obs.atmos;arith.factor;(unassigned);(unassigned);(unassigned))
  Nsp   [1/13] Number of spectroscopic observations (NSPECOBS) (Note 4)   ((unassigned);phys.veloc.orbital;arith.diff;src.var)
  SNR  (n) [0/89] Median S/N per pixel in the wavelength regions of [4000-5700]Å and [6200,9000]Å (SNR_SPEC) ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  FWHMbHa km/s (n) [890/15499] FWHM of broad H{alpha} (FWHM_BROAD_HA) ((unassigned);phys.veloc.orbital;arith.diff;phys.atmol.element;meta.main)
  e_FWHMbHa km/s (n) [-1/3935] FWHMbHa uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWbHa 0.1nm (n) [-8428/1.2e+7] Rest-frame EW of broad H{alpha} in Å (EW_BROAD_HA) (obs.param;stat.covariance;arith.grad;phys.at.moment.magnetic;meta.main)
  e_EWbHa 0.1nm (n) [-1/651.7] EWbHa uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  FWHMnHa km/s (n) [0/1268] FWHM of narrow H{alpha} (FWHM_NARROW_HA) ((unassigned);(unassigned);arith.factor;phys.atmol.element;meta.main)
  e_FWHMnHa km/s (n) [-1/367.5] FWHMnHa uncertainty (stat.fit.goodness;(unassigned);(unassigned);time.age;meta.main)
  EWnHa 0.1nm (n) [0/848.1] Rest-frame EW of narrow H{alpha} in Å (EW_NARROW_HA) ((unassigned);phys.veloc.orbital;arith.factor;phys.at.moment.magnetic;meta.main)
  e_EWnHa 0.1nm (n) [-1/460.4] EWnHa uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  EWNII 0.1nm (n) [-683/703.1] Rest-frame EW of [NII]{lambda}6584 in Å (EW_NII_6584) ((unassigned);phys.abund.Y;arith.diff;phys.at.moment.magnetic;meta.main)
  e_EWNII 0.1nm (n) [-1/187.6] EWNII uncertainty ((unassigned);(unassigned);arith.grad;time.age;meta.main)
  EWSII6716 0.1nm (n) [0/344.2] Rest-frame EW of [SII]{lambda}6716 in Å (EW_SII_6716) (stat;stat.kurtosis;stat.min;phys.at.moment.magnetic;meta.main)
  e_EWSII6716 0.1nm (n) [-1/54.1] EWSII6716 uncertainty (phot.color;pos.wcs.ctype;arith.grad;time.age;meta.main)
  EWSII6731 0.1nm (n) [0/2.7e+6] Rest-frame EW of [SII]{lambda}6731 in Å (EW_SII_6731) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  e_EWSII6731 0.1nm (n) [-1/88] EWSII6731 uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWFeHa 0.1nm (n) [-2765/1753] Rest-frame equivalent width of Fe within 6000-6500Å in Å (EW_FE_HA) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  NHa  (n) [209/241] Number of good pixels for the rest-frame 6400-6765Å (LINE_NPIX_HA) ((unassigned);(unassigned);(unassigned);src.var)
  MedSNHa  (n) [-0/193] Median S/N per pixel for the rest-frame 6400-6765Å (LINE_MED_SN_HA) (src.redshift;(unassigned);arith.grad;meta.abstract;meta.main)
  q_Ha  (n) [-9999/0] Flag for the quality in H{alpha} fitting (0=reliable) (LINE_FLAG_HA) (Note 5)   ((unassigned);(unassigned);(unassigned);pos.cartesian)
  FWHMbHb km/s (n) [877/14998] FWHM of broad H{beta} (FWHM_BROAD_HB) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
  e_FWHMbHb km/s (n) [-1/8968] FWHMbHb uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWbHb 0.1nm (n) [-834730/2.8e+17] Rest-frame EW of broad H{beta} in Å (EW_BROAD_HB) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  e_EWbHb 0.1nm (n) [-1/3.1e+16] EWbHb uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  FWHMnHb km/s (n) [0/897] FWHM of narrow H{beta} (FWHM_NARROW_HB) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
  e_FWHMnHb km/s (n) [-1/669] FWHMnHb uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWnHb 0.1nm (n) [0/5.4e+16] Rest-frame EW of narrow H{beta} in Å (EW_NARROW_HB) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  e_EWnHb 0.1nm (n) [-1/1.6e+16] EWnHb uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  FWHMOIII km/s (n) [0/3132] FWHM of [OIII]{lambda}5007 (FWHM_OIII_5007) ((unassigned);meta.ref.epic;arith.diff;phys.atmol.element;meta.main)
  e_FWHMOIII km/s (n) [-1/354] FWHMOIII uncertainty (phot.color;pos.wcs.ctype;arith.grad;time.age;meta.main)
  EWOIII 0.1nm (n) [0/4e+17] Rest-frame EW of [OIII]{lambda}5007 in Å (EW_OIII_5007) ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
  e_EWOIII 0.1nm (n) [-1/24] EWOIII uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWFeHb 0.1nm (n) [-1.5e+14/1.9e+17] Rest-frame equivalent width of Fe within 4435-4685Å in Å (EW_FE_HB) ((unassigned);phys.veloc.orbital;arith.diff;phys.at.moment.magnetic;meta.main)
  NHb  (n) [179/180] Number of good pixels for the rest-frame 4750-4950Å (LINE_NPIX_HB) ((unassigned);(unassigned);(unassigned);src.var)
  MedSNHb  (n) [0/100] Median S/N per pixel for the rest-frame 4750-4950Å (LINE_MED_SN_HB) (phys;pos.parallax.trig;arith.grad;meta.abstract;meta.main)
  q_Hb  (n) [-9999/0] Flag for the quality in H{beta} fitting (0=acceptable) (LINE_FLAG_HB) (Note 5)   (phys.absorption;em.IR.4-8um;arith.factor;pos.cartesian)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  FWHMMgII km/s (n) [134.9/16576] FWHM of the whole MgII emission line (FWHM_MGII) (src.var.pulse;(unassigned);arith.diff;phys.atmol.element;meta.main)
  e_FWHMMgII km/s (n) [-1/4756] FWHMMgII uncertainty ((unassigned);(unassigned);arith.factor;time.age;meta.main)
  EWMgII 0.1nm (n) [-5699/1.8e+18] Rest-frame equivalent width of the whole MgII in Å (EW_MGII) ((unassigned);(unassigned);arith.factor;phys.at.moment.magnetic;meta.main)
  e_EWMgII 0.1nm (n) [-1/1.8e+17] EWMgII uncertainty (stat;instr;stat.min;time.age;meta.main)
  FWHMbMgII km/s (n) [202/26186] FWHM of the whole broad MgII (FWHM_BROAD_MGII) (meta.id.parent;pos.parallax.trig;arith.factor;phys.atmol.element;meta.main)
  e_FWHMbMgII km/s (n) [-1/15925] FWHMbMgII uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWbMgII 0.1nm (n) [-5276/1.6e+18] Rest-frame equivalent width of the whole broad MgII in Å (EW_BROAD_MGII) ((unassigned);instr.det.noise;stat.min;phys.at.moment.magnetic;meta.main)
  e_EWbMgII 0.1nm (n) [-1/1.8e+17] EWbMgII uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  FWHMbMgII2 km/s (n) [202/26186] FWHM of the broad MgII{lambda}2796 (FWHM_BROAD_MGII_2796) ((unassigned);spect.dopplerVeloc.radio;arith.factor;phys.atmol.element;meta.main)
  e_FWHMbMgII2 km/s (n) [-1/18770] FWHMbMgII2 uncertainty ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  FWHMnMgII2 km/s (n) [0/897] FWHM of the narrow MgII{lambda}2796 (FWHM_NARROW_MGII_2796) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
  e_FWHMnMgII2 km/s (n) [-1/97551] FWHMnMgII2 uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWFeMgII 0.1nm (n) [-876/4.1e+19] Rest-frame equivalent width of Fe within 2200-3090Å in Å (EW_FE_MGII) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  NMgII  (n) [310/311] Number of good pixels for the rest-frame 2700-2900Å (LINE_NPIX_MGII) ((unassigned);(unassigned);(unassigned);src.var)
  MedSNMgII  (n) [0/124] Median S/N per pixel for the rest-frame 2700-2900Å (LINE_MED_SN_MGII) ((unassigned);(unassigned);(unassigned);meta.abstract;meta.main)
  q_MgII  (n) [-9999/0] Flag for the quality in MgII fitting (0=acceptable) (LINE_FLAG_MGII) (Note 5)   ((unassigned);(unassigned);(unassigned);pos.cartesian)
  FWHMCIV km/s (n) [215.9/36566] FWHM of the whole CIV (FWHM_CIV) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
  e_FWHMCIV km/s (n) [-1/6447] FWHMCIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWCIV 0.1nm (n) [-3.9e+6/6159] Rest-frame EW of the whole CIV in Å (EW_CIV) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  e_EWCIV 0.1nm (n) [-1/217] EWCIV uncertainty (phys.absorption;em.IR.4-8um;arith.factor;time.age;meta.main)
  FWHMbCIV km/s (n) [674/37943] FWHM of the broad CIV (FWHM_BROAD_CIV) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
  e_FWHMbCIV km/s (n) [-1/10426] FWHMbCIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  EWbCIV 0.1nm (n) [-3.9e+6/5829] Rest-frame EW of the broad CIV in Å (EW_BROAD_CIV) ((unassigned);(unassigned);(unassigned);phys.at.moment.magnetic;meta.main)
  e_EWbCIV 0.1nm (n) [-55395/215] EWbCIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  FWHMnCIV km/s (n) [0/897] FWHM of the narrow CIV (FWHM_NARROW_CIV) ((unassigned);(unassigned);(unassigned);phys.atmol.element;meta.main)
  e_FWHMnCIV km/s (n) [-1/762] FWHMnCIV uncertainty (time.equinox;phys.atmol.qn.S;arith.grad;time.age;meta.main)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  EWnCIV 0.1nm (n) [-1486/330] Rest-frame EW of the narrow CIV in Å (EW_NARROW_CIV) (instr.plate.emulsion;pos.centroid;arith.factor;phys.at.moment.magnetic;meta.main)
  e_EWnCIV 0.1nm (n) [-29/94] EWnCIV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  NCIV  (n) [280/281] Number of good pixels for the rest-frame 1500-1600Å (LINE_NPIX_CIV) ((unassigned);(unassigned);(unassigned);src.var)
  MedSNCIV  (n) [0/68] Median S/N per pixel for the rest-frame 1500-1600Å ((unassigned);phys.veloc.orbital;arith.diff;meta.abstract;meta.main)
  q_CIV  (n) [-9999/0] Flag for the quality in CIV fitting (0=acceptable) (LINE_FLAG_CIV) (Note 5)   ((unassigned);(unassigned);(unassigned);pos.cartesian)
  alphaL1  (n) [-2/-0.5] Wavelength power-law index from ~1300 to 4661Å (ALPHA_LAMBDA_1) ((unassigned);phys.veloc.orbital;arith.diff;phys.abund.Y;meta.main)
  alphaL2  (n) [-0.5/0.5] Wavelength power-law index redward of 4661Å (ALPHA_LAMBDA_2) ((unassigned);(unassigned);(unassigned);phys.abund.Y;meta.main)
  rChi2  (n) [3e-5/522002] Reduced chi-square (MODEL_PHOT_REDCHI2) ((unassigned);(unassigned);arith;time.resolution;meta.main)
  logL5100 [10-7W] (n) [38.7/47] Monochromatic luminosity at 5100Å in erg/s ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);(unassigned))
  logL3000 [10-7W] (n) [28.4/48.7] Monochromatic luminosity at 3000Å in erg/s (meta.id.parent;(unassigned);arith.factor;(unassigned))
  f_logL3000 (char) i: -infinity (obs.image;phys.atmol.lifetime;arith;pos.eq.dec)
  logL1350 [10-7W] (n) [28.3/48.8] Monochromatic luminosity at 1350Å in erg/s (phys.veloc.rotat;phys.mol.rotation;arith;(unassigned))
  f_logL1350 (char) i: -infinity (phot.count;instr.det.qe;stat.min;pos.eq.dec)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  logBHHb [Msun] (n) [5.6/10] Virial BH mass based on H{beta} (LOGBH_HB) ((unassigned);(unassigned);(unassigned);(unassigned))
  logBHMgII [Msun] (n) [0.6/10.3] Virial BH mass based on MgII (LOGBH_MGII) ((unassigned);(unassigned);(unassigned);(unassigned))
  logBHCIV [Msun] (n) [6.4/11] Virial BH mass based on CIV (LOGBH_CIV) ((unassigned);(unassigned);(unassigned);(unassigned))
  SDSS (char) Name of the quasar in the SDSS quasar catalog (Paris+ 2018, VII/286 ; superseded by VII/289) (Note 6)   ((unassigned);(unassigned);(unassigned);src.class.starGalaxy)
  2RXS (char) Name of the object in the second ROSAT all-sky survey point-source catalog (Boller+ 2016, J/A+A/588/A103 ; JHHMMSS.s+DDMMSS) ( 2RXS_NAME) ((unassigned);phys.veloc.orbital;arith.diff;src.class.starGalaxy)
  Cts ct (n) [5.6/729] Background-corrected source counts in 0.1-2.4keV from 2RXS source catalog ( 2RXS_CTS) ((unassigned);(unassigned);(unassigned);time.duration;(unassigned);(unassigned))
  e_Cts ct (n) [2.7/29] Cts uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  2RXSExp s (n) [54/1500] Source exposure time from 2RXS (RXS2_EXPTIME) ((unassigned);(unassigned);(unassigned);(unassigned);(unassigned);meta.main)
  Sep2RXS arcsec (n) [0.1/30] LAMOST-2RXS separation (LM_2RXS_SEP) ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  3XMM (char) Name of the object in XMM-Newton Serendipitous Source Catalog (3XMM-DR8, Rosen+ 2016, IX/55 ; JHHMMSS.s+DDMMSS) ( 3XMM_NAME) (meta.dataset;arith.zp;stat.min;src.class.starGalaxy)
  F0.2-12keV mW/m2 (n) [6.6e-15/4.3e-11] Flux in the 0.2-12.0keV band from 3XMM-DR8 ( 3XMM_FLUX) ((unassigned);(unassigned);(unassigned);meta.abstract;(unassigned);(unassigned))
  e_F0.2-12keV mW/m2 (n) [2e-15/1.9e-13] F0.2-12keV uncertainty ((unassigned);(unassigned);(unassigned);time.age;meta.main)
  Sep3XMM arcsec (n) [0.006/3] LAMOST-3XMM separation (LM_3XMM_SEP) (stat.fit.residual;phys.atmol.qn.I;arith.factor;em.mm.50-100GHz)
  Fpk mJy (n) [0.98/14775] FIRST peak flux density at 20cm (FPEAK) ((unassigned);(unassigned);(unassigned);phys.atmol.sWeight.nuclear;(unassigned);(unassigned))
  SepFIRST arcsec (n) [0.0003/5] LAMOST-FIRST separation (LM_FIRST_SEP) ((unassigned);(unassigned);(unassigned);em.mm.50-100GHz)
  FIRST  Display data from FIRST (VIII/92) within 5" ((unassigned);(unassigned);(unassigned);pos.geocentric)
  Simbad  ask the Simbad data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)
  NED  ask the NED data-base about this object ((unassigned);(unassigned);(unassigned);pos.geocentric)

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