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/AJ/151/24
  LAMOST quasar survey: quasar properties from the DR1 (Ai+, 2016)
ReadMe+ftp
2016AJ....151...24A
Similar Catalogs
Post annotation 		img(gal)
1.J/AJ/151/24/table1Parameters of the 1180 New Quasars Discovered in LAMOST DR1 (1180 rows)

Simple ConstraintList Of Constraints
 
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)
  spName (char) Spectrum file name (SPEC) (meta.id;meta.file)
  Target (char) LAMOST DR1 target designation (HHMMSS.ss+DDMMSS.s) (LAMOST_NAME) (meta.id;meta.main)
  RAdeg deg Right Ascension in decimal degrees (J2000) (RA) (pos.eq.ra)
  DEdeg deg Declination in decimal degrees (J2000) (DEC) (pos.eq.dec)
  MJD d [55859/56447] Modified Julian Date of spectroscopic observation (MJD) (time.epoch)
  PlanId (char) Spectroscopic plan name (PLANID) (obs.field)
  spId   [1/16] Spectrograph identification (SPID) (meta.id;instr)
  FiberId   [2/250] Spectroscopic fiber number (FIBERID) (meta.note)
  z  Redshift from visual inspection (Z_VI) (src.redshift)
  f_z  (n) [0/1] Flag on z based on visual inspection (1=not robust) (ZWARING) (meta.code)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  iMag mag (n) i-band absolute magnitude, K-corrected to z=2, following Richards et al. (2006, J/AJ/131/2766) (MI_Z2) (phys.magAbs)
  NObs   [1/7] Number of spectroscopic observations (NSPECOBS) (meta.number)
  S/N-Spec  Median signal-to-noise ratio per pixel of the spectrum (SNR_SPEC) (stat.snr)
  FWHM-Hab km/s Full width at half maximum of broad Hα (FWHMBROADHA) (spect.line.width)
  EW-Hab 0.1nm (n) Rest frame equivalent width of broad Hα (Å) (EWBROADHA) (spect.line.eqWidth;em.line.Halpha)
  FWHM-Han km/s Full width at half maximum of narrow Hα (FWHMNARROWHA) (spect.line.width)
  EW-Han 0.1nm (n) Rest frame equivalent width of narrow Hα (Å) (EWNARROWHA) (spect.line.eqWidth;em.line.Halpha)
  EW-NII6584 0.1nm (n) Rest frame equivalent width of [N II]6584 (Å) (EWNII6585) (spect.line.eqWidth)
  EW-SII6717 0.1nm (n) Rest frame equivalent width of [S II]6717 (Å) (EWSII6718) (spect.line.eqWidth)
  EW-SII6731 0.1nm (n) Rest frame equivalent width of [S II]6731 (Å) (EWSII6732) (spect.line.eqWidth)
  EW-FEHa 0.1nm (n) Rest frame equivalent width of Fe within 6000-6500Å (EWFEHA) (spect.line.eqWidth)
  NPix-Ha  Number of good pixels for the rest frame 6400-6765Å (LINENPIXHA) (meta.number)
  S/N-Ha  Median signal-to-noise ratio per pixel for the rest frame 6400-6765Å (LINEMEDSN_HA) (em.wl.central;stat.median)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  QF-Ha  (n) [-1/0] Flag for the quality in Hα fitting (LINEFLAGHA) (Note 1)   (meta.code.qual)
  FWHM-Hb km/s Full width at half maximum of broad Hβ (FWHMBROADHB) (spect.line.width)
  EW-Hb 0.1nm (n) Rest frame equivalent width of broad Hβ (Å) (EWBROADHB) (spect.line.eqWidth;em.line.Hbeta)
  FWHM-Hbn km/s Full width at half maximum of narrow Hβ (FWHMNARROWHB) (spect.line.width)
  EW-Hbn 0.1nm (n) Rest frame equivalent width of narrow Hβ (Å) (EWNARROWHB) (spect.line.eqWidth;em.line.Hbeta)
  EW-OIII4959 0.1nm (n) Rest frame equivalent width of [O III]4959 (Å) (EWOIII4959) (spect.line.eqWidth;em.line.OIII)
  EW-OIII5007 0.1nm (n) Rest frame equivalent width of [O III]5007 (Å) (EWOIII5007) (spect.line.eqWidth;em.line.OIII)
  EW-FEHb 0.1nm (n) Rest frame equivalent width of Fe within 4435-4685Å (Å) (EWFEHB) (spect.line.eqWidth)
  NPix-Hb   [0/355] Number of good pixels for the rest frame 4750-4950Å (LINENPIXHB) (meta.number)
  S/N-Hb  Median signal-to-noise ratio per pixel for the rest frame 4750-4950Å (LINEMEDSN_HB) (em.wl.central;stat.median)
  QF-Hb  (n) [-1/0] Flag for the quality in Hβ fitting (LINEFLAGHB) (Note 1)   (meta.code.qual)
  FWHM-MGII km/s Full width at half maximum of the whole Mg II emission line (FWHM_MGII) (spect.line.width)
  EW-MGII 0.1nm (n) Rest frame equivalent width of the whole Mg II emission line (Å) (EW_MGII) (spect.line.eqWidth)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  FWHM-MGIIb km/s Full width at half maximum of the whole broad Mg II (FWHMBROADMGII) (spect.line.width)
  EW-MGIIb 0.1nm (n) Rest frame equivalent width of the whole broad Mg II (Å) (EWBROADMGII) (spect.line.eqWidth)
  FWHM-MGII2796 km/s Full width at half maximum of the broad Mg II 2796 (FWHMBROADMGII_2796) (spect.line.width)
  FWHM-MGII2796n km/s Full width at half maximum of the narrow Mg II 2796 (FWHMNARROWMGII_2796) (spect.line.width)
  EW-FEMGII 0.1nm (n) Rest frame equivalent width of Fe within 2200-3090Å (Å) (EWFEMGII) (spect.line.eqWidth)
  NPix-MGII   [0/309] Number of good pixels for the rest frame 2700-2900Å (LINENPIXMGII) (meta.number)
  S/N-MGII  Median signal-to-noise ratio per pixel for the rest frame 2700-2900Å (LINEMEDSN_MGII) (em.wl.central;stat.median)
  QF-MGII  (n) [-1/0] Flag for the quality in Mg II fitting (LINEFLAGMGII) (Note 1)   (meta.code.qual)
  FWHM-CIV km/s Full width at half maximum of the whole C IV (FWHM_CIV) (spect.line.width)
  EW-CIV 0.1nm Rest frame equivalent width of the whole C IV (Å) (EW_CIV) (spect.line.eqWidth)
  FWHM-CIVb km/s Full width at half maximum of the broad C IV (FWHMBROADCIV) (spect.line.width)
  EW-CIVb 0.1nm Rest frame equivalent width of the broad C IV (Å) (EWBROADCIV) (spect.line.eqWidth)
  FWHM-CIVn km/s Full width at half maximum of the narrow C IV (FWHMNARROWCIV) (spect.line.width)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  EW-CIVn 0.1nm Rest frame equivalent width of the narrow C IV (Å) (EWNARROWCIV) (spect.line.eqWidth)
  NPix-CIV   [0/280] Number of good pixels for the rest frame 1500-1600Å (LINENPIXCIV) (meta.number)
  S/N-CIV  Median signal-to-noise ratio per pixel for the rest frame 1500-1600Å (LINEMEDSN_CIV) (em.wl.central;stat.median)
  QF-CIV  (n) [-1/0] Flag for the quality in C IV fitting (LINEFLAGCIV) (Note 1)   (meta.code.qual)
  alphal1  (n) Wavelength power-law index, αλ, from ∼1300 to 4661Å (ALPHALAMBDA1) (spect.index)
  alphal2  (n) Wavelength power-law index, αλ, redward of 4661Å (ALPHALAMBDA2) (spect.index)
  chi2  (n) Reduced χ2 in SDSS photometry modeling (MODELPHOTREDCHI2) (phot)
  logL5100 [10-7W] Monochromatic luminosity at 5100Å (erg/s) (LOGL5100) (phys.luminosity;em.opt)
  logL3000 [10-7W] Monochromatic luminosity at 3000Å (erg/s) (LOGL3000) (phys.luminosity)
  logL1350 [10-7W] Monochromatic luminosity at 1350Å (erg/s) (LOGL1350) (phys.luminosity)
  logBH-HB [Msun] Virial BH mass based on Hβ (Vestergaard & Peterson 2006ApJ...641..689V) (LOGBH_HB) (phys.mass)
  logBH-MGII [Msun] Virial BH mass based on Mg II (Wang et al. 2009ApJ...707.1334W) (LOGBH_MGII) (phys.mass)
  logBH-CIV [Msun] (n) Virial BH mass based on C IV (Vestergaard & Peterson 2006ApJ...641..689V) (LOGBH_CIV) (phys.mass)
  FPeak mJy (n) FIRST peak flux density at 20 cm (Becker et al. 1995ApJ...450..559B) (FPEAK) (phot.flux.density;em.radio.750-1500MHz)
  BAL  (n) [0/1] Broad absorption trough flag (BAL_FLAG) (Note 2)   (meta.code)
  Data-min (char) Flag of quasar selection based on data mining (FLAGDATAMINING) (Note G1)   (meta.code)
  OI-Color (char) Flag of quasar selection based on optical-infrared color (FLAGOICOLOR) (Note G2)   (meta.code)
  Other (char) Flag of quasar selection from radio, X-ray or serendipitous (=S) algorithms (FLAG_OTHERS) (meta.code)
  Simbad  ask the Simbad data-base about this object (meta.ref.url)
  _RA deg (i) Positions from LAMOST DR1 target name (right ascension part) (pos.eq.ra;meta.main)
  _DE deg (i) Positions from LAMOST DR1 target name (declination part) (pos.eq.dec;meta.main)

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