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J/AJ/155/189/table13 LAMOST Quasar Survey: quasar properties from DR2&3 (Dong+, 2018)
The LAMOST Quasar Survey Data Release Three Quasar Catalog (10911 rows)
  recno=4778
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200012 30 59.73600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+35 45 42.8000 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195012 28 32.23363 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+36 02 16.1720 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon148.42564212 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+80.33201999 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
4778recno 4778  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ObsID307708011   [102141/347512058] Observation identifier in LAMOST database (OBSID) (meta.id)
TargetJ123059.73+354542.8  Target designation in LAMOST database (JHHMMSS.ss+DDMMSS.s, J2000) (DESIGNATION) (meta.id;meta.main)
RAJ2000187.748900 deg (i) Right Ascension in decimal degrees (J2000) (RA) (pos.eq.ra;meta.main)
DEJ2000+35.761889 deg (i) Declination in decimal degrees (J2000) (DEC) (pos.eq.dec;meta.main)
PlanIdHD122712N362227M01  Spectroscopic plan identification (PLANID) (obs.field)
spId 8   [1/16] Spectrograph identification (SPID) (meta.id;instr)
FiberId 11   [0/250] Fiber number of the spectrum (FIBERID) (meta.note)
MJD57051 d [55858/57165] Modified Julian Date of the spectroscopic observation (MJD) (time.epoch)
Source68  Source of quasar candidate (SOURCE_FLAG) (Note 1)   (meta.code)
iMag-21.0739 mag [-35.3985/-1.8353] Absolute i-band magnitude with K-correction to z=2 following Richards et al. (2006, J/AJ/131/2766) (Mi) (phys.magAbs)
ClassQSO  Classification given by visual inspection (CLASS_VI) (src.class)
f_Class0   [0/1] Classification flag (1=Uncertain classification) (CLASS_FLAG) (meta.code)
z-pipeline 0.1000   [-0.0041/4.088] Redshift given by LAMOST pipeline (Z_PIPELINE) (src.redshift;pos.heliocentric)
z-vi 0.1004   [0/5.0087] Redshift given by visual inspection (Z_VI) (src.redshift;pos.heliocentric)
QF-z    [1/9] Redshift quality flag (Z_FLAG) (Note 2)   (src.redshift)
S/N-Spec 9.1420   [-1.0463/134.872] Median signal-to-noise ratio per pixel of the spectrum (SNR_SPEC) (stat.snr)
FWHM-Hab 3.52296e+03 km/s [0/14230] Full width at half maximum of broad Hα (FWHMBROADHA) (spect.line.width)
EW-Hab 1.91730e+02 0.1nm [0/1.63e+11] Rest-frame equivalent width of broad Hα (Å) (EWBROADHA) (spect.line.eqWidth;em.line.Halpha)
FWHM-Han 2.89725e+02 km/s [0/1200] Full width at half maximum of narrow Hα (FWHMNARROWHA) (spect.line.width)
EW-Han 3.25000e+10 0.1nm [0/3.94e+10] Rest-frame equivalent width of narrow Hα (Å) (EWNARROWHA) (spect.line.eqWidth;em.line.Halpha)
EW-NII6584 0.00000e+00 0.1nm [0/1.84e+10] Rest-frame equivalent width of [N II]6584 (Å) (EWNII6585) (spect.line.eqWidth)
EW-SII6718 6.19272e-01 0.1nm [0/5290.64] Rest-frame equivalent width of [S II]6718 (Å) (EWSII6718) (spect.line.eqWidth)
EW-SII6732 1.92031e-01 0.1nm [0/1.12e+07] Rest-frame equivalent width of [S II]6732 (Å) (EWSII6732) (spect.line.eqWidth)
EW-FeHa 5.28328e-01 0.1nm [0/32039.6] Rest-frame equivalent width of Fe within 6000-6500Å (Å) (EWFEHA) (spect.line.eqWidth)
NPix-Ha186   [0/252] Number of good pixels at the rest-frame 6400-6765Å (LINENPIXHA) (meta.number)
S/N-Ha 22.86610   [0/273.564] Median signal-to-noise ratio per pixel at the rest-frame 6400-6765Å (LINEMEDSN_HA) (em.wl.central;stat.median)
chi2-Ha 0.54373   [-1/32.6007] Reduced χ2 of Hα emission line fit (LINEREDCHI2HA) (stat.fit.chi2)
QF-Ha 0   [-1/1] Quality flag of Hα fitting (LINEFLAGHA) (Note 3)   (meta.code.qual;stat.fit)
FWHM-Hb 8.49654e+03 km/s [0/18927.2] Full width at half maximum of broad Hβ (FWHMBROADHB) (spect.line.width)
EW-Hb 7.56146e+01 0.1nm [0/4.95e+17] Rest-frame equivalent width of broad Hβ (Å) (EWBROADHB) (spect.line.eqWidth;em.line.Hbeta)
FWHM-Hbn 2.49179e+02 km/s [0/1200] Full width at half maximum of narrow Hβ (FWHMNARROWHB) (spect.line.width)
EW-Hbn 0.00000e+00 0.1nm [0/7.09e+15] Rest-frame equivalent width of narrow Hβ (Å) (EWNARROWHB) (spect.line.eqWidth;em.line.Hbeta)
EW-OIII4959 2.56960e+00 0.1nm [0/1.64e+17] Rest-frame equivalent width of [O III]4959 (Å) (EWOIII4959) (spect.line.eqWidth;em.line.OIII)
EW-OIII5007 8.04147e+00 0.1nm [0/5.06e+17] Rest-frame equivalent width of [O III]5007 (Å) (EWOIII5007) (spect.line.eqWidth;em.line.OIII)
EW-FeHb 0.00000e+00 0.1nm [0/5.63e+18] Rest-frame equivalent width of Fe within 4435-4685Å (Å) (EWFEHB) (spect.line.eqWidth)
NPix-Hb324   [0/346] Number of good pixels at the rest-frame 4750-4950Å (LINENPIXHB) (meta.number)
S/N-Hb 11   [0/136] Median signal-to-noise ratio per pixel at the rest-frame 4750-4950Å (LINEMEDSN_HB) (em.wl.central;stat.median)
chi2-Hb 2.01893   [-1/71.4036] Reduced χ2 of Hβ emission line fit (LINEREDCHI2HB) (stat.fit.chi2)
QF-Hb 0   [-1/1] Quality flag of Hβ fitting (LINEFLAGHB) (Note 3)   (meta.code.qual;stat.fit)
FWHM-MGII2796b 0.00000e+00 km/s [0/270093] Full width at half maximum of the broad Mg II 2796 (FWHMBROADMGII_2796) (spect.line.width)
EW-MGII2796b 0.00000e+00 0.1nm [0/3.47e+13] Rest-frame equivalent width of the broad Mg II 2796 (Å) (EWBROADMGII_2796) (spect.line.eqWidth)
FWHM-MGII2796n 0.00000e+00 km/s [0/900] Full width at half maximum of the narrow Mg II 2796 (FWHMNARROWMGII_2796) (spect.line.width)
EW-MGII2796n 0.00000e+00 0.1nm [0/9.86e+09] Rest-frame equivalent width of the narrow Mg II 2796 (Å) (EWNARROWMGII_2796) (spect.line.eqWidth)
FWHM-MGIIb 0.00000e+00 km/s [0/270093] Full width at half maximum of the whole broad Mg II (FWHMBROADMGII) (spect.line.width)
EW-MGIIb 0.00000e+00 0.1nm [0/5.82e+13] Rest-frame equivalent width of the whole broad Mg II (Å) (EWBROADMGII) (spect.line.eqWidth)
FWHM-MGII 0.00000e+00 km/s [0/269264] Full width at half maximum of the whole Mg II emission line (FWHM_MGII) (spect.line.width)
EW-MGII 0.00000e+00 0.1nm [0/5.82e+13] Rest-frame equivalent width of the whole Mg II (EW_MGII) (spect.line.eqWidth)
EW-FeMGII 0.00000e+00 0.1nm [0/1.24145e+06] Rest-frame equivalent width of Fe within 2200-3090Å (Å) (EWFEMGII) (spect.line.eqWidth)
NPix-MGII 0   [0/310] Number of good pixels at the rest-frame 2700-2900Å (LINENPIXMGII) (meta.number)
S/N-MGII 0.00000   [0/1813.21] Median signal-to-noise ratio per pixel at the rest-frame 2700-2900Å (LINEMEDSN_MGII) (em.wl.central;stat.median)
chi2-MGII 0.00000   [-1/274.761] Reduced χ2 of Mg II emission line fit (LINEREDCHI2MGII) (stat.fit.chi2)
QF-MGII-1   [-1/1] Quality flag of Mg II fitting (LINEFLAGMGII) (Note 3)   (meta.code.qual;stat.fit)
FWHM-CIVb 0.0000e+00 km/s [0/11605] Full width at half maximum of the broad C IV (FWHMBROADCIV) (spect.line.width)
EW-CIVb 0.0000e+00 0.1nm [0/6.85e+19] Rest-frame equivalent width of the broad C IV (Å) (EWBROADCIV) (spect.line.eqWidth)
FWHM-CIVn 0.0000e+00 km/s [0/1200] Full width at half maximum of the narrow C IV (FWHMNARROWCIV) (spect.line.width)
FWHM-CIV 0.0000e+00 km/s [0/11605] Full width at half maximum of the whole C IV (FWHM_CIV) (spect.line.width)
EW-CIV 0.00000e+00 0.1nm [-4.72e+25/2.46e+31] Rest-frame equivalent width of the whole C IV (Å) (EW_CIV) (spect.line.eqWidth)
NPix-CIV 0   [0/281] Number of good pixels at the rest-frame 1500-1600Å (LINENPIXCIV) (meta.number)
S/N-CIV 0.00000   [0/65.9714] Median signal-to-noise ratio per pixel at the rest-frame 1500-1600Å (LINEMEDSN_CIV) (em.wl.central;stat.median)
chi2-CIV 0.00000   [-1/2089.66] Reduced χ2 of C IV emission line fit (LINEREDCHI2CIV) (stat.fit.chi2)
QF-CIV-1   [-1/1] Quality flag of C IV fitting (LINEFLAGCIV) (Note 3)   (meta.code.qual;stat.fit)
alphal1-0.18246   [-5.50547/0] Wavelength power-law index from 1300 to 4661Å αlambda (ALPHA1) (spect.index)
alphal2-0.15904   [-4.1927/0] Wavelength power-law index from 4661Å toward the red end of the spectrum αlambda (ALPHA2) (spect.index)
chi2-Cont 3.1079e+00   [0/865420] Reduced χ2 of continuum fitting (CONT_CHI2) (stat.fit.chi2)
QF-Cont0   [0/1] Quality flag of continuum fitting (CONT_FLAG) (Note 4)   (meta.code.qual;stat.fit;spect.continuum)
logL135042.74845 10-7W [0/49.33483] Monochromatic luminosity at 1350Å (in erg/s) (LOGL1350) (phys.luminosity)
e_logL1350 0.29286 10-7W [0/11.3802] Error of logL1350 (in erg/s) (LOGL1350_ERR) (Note 5)   (stat.error)
logL300043.03197 10-7W [-6.46228/48.4736] Monochromatic luminosity at 3000Å (in erg/s) (LOGL3000) (phys.luminosity)
e_logL3000 0.30955 10-7W [0/12.1695] Error of logL3000 (in erg/s) (LOGL3000_ERR) (Note 5)   (stat.error)
logL510043.22133 10-7W [0/48.4763] Monochromatic luminosity at 5100Å (in erg/s) (LOGL5100) (phys.luminosity;em.opt)
e_logL5100 0.55646 10-7W [0/12.8869] Error of logL5100 (in erg/s) (LOGL5100_ERR) (Note 5)   (stat.error)
logMBH-Hb 8.37915 Msun [0/10.0117] Virial BH mass based on Hβ (LOGMBH_HB) (phys.mass)
e_logMBH-Hb 0.01039 Msun [0/0.06382] Error of logMBH-Hb (LOGMBHERRHB) (Note 5)   (stat.error)
q_logMBH-Hb 0   [-1/1] Reliability of logMBH-Hb (LOGMBHHBFLAG) (Note 6)   (meta.code.qual)
logMBH-MGII 0.00000 Msun [0/12.6728] Virial BH mass based on Mg II (LOGMBH_MGII) (phys.mass)
e_logMBH-MGII 0.00000 Msun [-1/0.13668] Error of logMBH-MGII (LOGMBHERRMGII) (Note 5)   (stat.error)
q_logMBH-MGII-1   [-1/1] Reliability of logMBH-MGII (LOGMBHMGIIFLAG) (Note 6)   (meta.code.qual)
logMBH-CIV 0.00000 Msun [-1/11.1091] Virial BH mass based on C IV (LOGMBH_CIV) (phys.mass)
e_logMBH-CIV 0.00000 Msun [0/0.19674] Error of logMBH-CIV (LOGMBHERRCIV) (Note 5)   (stat.error)
q_logMBH-CIV-1   [-1/1] Reliability of logMBH-CIV (LOGMBHCIVFLAG) (Note 6)   (meta.code.qual)
  
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