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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
J/ApJS/240/6
-1
LAMOST Quasar Survey: Data Releases 4 and 5 (Yao+, 2019)
ReadMe+ftp
2019ApJS..240....6Y
Similar Catalogs
Post annotation
1.
J/ApJS/240/6/catalog
Quasars identified in LAMOST DR4 and DR5 (
original column names in green
)
(19253 rows)
meta
J/ApJS/240/6/catalog
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
Standard
Original
Show
Sort
Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
ObsID
[353601018/584816178] Unique spectra ID in LAMOST database
(
meta.id;obs
)
(
OBS_ID
)
ObsDate
"Y:M:D"
(n)
(i)
Target observation date
(
time.epoch;obs
)
(
TIME_DATE
)
LAMOST
(char)
LAMOST designation (JHHMMSS.ss+DDMMSS.ss) (
NAME
)
(
meta.id;meta.main
)
(
ID_MAIN
)
RAJ2000
deg
(i)
Right ascension (J2000) (
RA
)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
deg
(i)
[-6.9/60.4] Declination (J2000) (
DEC
)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
LMJD
d
[57279/57920] Local modified Julian day of observation
(Note 1)
(
time.epoch;obs
)
(
TIME_DATE
)
planID
(char)
Spectroscopic plan identification
(Note 1)
(
obs.field
)
(
ID_PLATE
)
spID
[1/16] Spectrograph identification
(Note 1)
(
meta.id;instr
)
(
INST_ID
)
fiberID
[1/250] Spectroscopic fiber number
(Note 1)
(
meta.note
)
(
ID_FIBER
)
z
[0.001/5.4] Redshift based on visual inspection (
Z_VI
)
(
src.redshift
)
(
REDSHIFT_HC
)
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
)
(
meta.code.qual;src.redshift
)
(
CODE_QUALITY
)
Flag
[0/1110] Flag of quasar candidate selection (
SOURCE_FLAG
)
(Note 2)
(
meta.code
)
(
CODE_MISC
)
iMAG
mag
(n)
[-33.8/-9.4] Absolute i-band magnitude K-corrected to z=2, M
i
(z=2) (
Mi_Z2
)
(Note 3)
(
phys.magAbs;em.opt.I
)
(
PHOT_ABS-MAG_BAND
)
Nsp
[1/13] Number of spectroscopic observations (
NSPECOBS
)
(Note 4)
(
meta.number
)
(
NUMBER
)
SNR
(n)
[0/89] Median S/N per pixel in the wavelength regions of [4000-5700]Å and [6200,9000]Å (
SNR_SPEC
)
(
stat.snr
)
(
SPECT_S/N
)
FWHMbHa
km/s
(n)
[890/15499] FWHM of broad Hα (
FWHM_BROAD_HA
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMbHa
km/s
(n)
[-1/3935] FWHMbHa uncertainty
(
stat.error
)
(
ERROR
)
EWbHa
0.1nm
(n)
[-8428/1.2e+7] Rest-frame EW of broad Hα in Å (
EW_BROAD_HA
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWbHa
0.1nm
(n)
[-1/651.7] EWbHa uncertainty
(
stat.error
)
(
ERROR
)
FWHMnHa
km/s
(n)
[0/1268] FWHM of narrow Hα (
FWHM_NARROW_HA
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMnHa
km/s
(n)
[-1/367.5] FWHMnHa uncertainty
(
stat.error
)
(
ERROR
)
EWnHa
0.1nm
(n)
[0/848.1] Rest-frame EW of narrow Hα in Å (
EW_NARROW_HA
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWnHa
0.1nm
(n)
[-1/460.4] EWnHa uncertainty
(
stat.error
)
(
ERROR
)
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]λ6584 in Å (
EW_NII_6584
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWNII
0.1nm
(n)
[-1/187.6] EWNII uncertainty
(
stat.error
)
(
ERROR
)
EWSII6716
0.1nm
(n)
[0/344.2] Rest-frame EW of [SII]λ6716 in Å (
EW_SII_6716
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWSII6716
0.1nm
(n)
[-1/54.1] EWSII6716 uncertainty
(
stat.error
)
(
ERROR
)
EWSII6731
0.1nm
(n)
[0/2.7e+6] Rest-frame EW of [SII]λ6731 in Å (
EW_SII_6731
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWSII6731
0.1nm
(n)
[-1/88] EWSII6731 uncertainty
(
stat.error
)
(
ERROR
)
EWFeHa
0.1nm
(n)
[-2765/1753] Rest-frame equivalent width of Fe within 6000-6500Å in Å (
EW_FE_HA
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
NHa
(n)
[209/241] Number of good pixels for the rest-frame 6400-6765Å (
LINE_NPIX_HA
)
(
meta.number
)
(
NUMBER
)
MedSNHa
(n)
[-0/193] Median S/N per pixel for the rest-frame 6400-6765Å (
LINE_MED_SN_HA
)
(
stat.snr
)
(
SPECT_S/N
)
q_Ha
(n)
[-9999/0] Flag for the quality in Hα fitting (0=reliable) (
LINE_FLAG_HA
)
(Note 5)
(
meta.code.qual
)
(
CODE_QUALITY
)
FWHMbHb
km/s
(n)
[877/14998] FWHM of broad Hβ (
FWHM_BROAD_HB
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMbHb
km/s
(n)
[-1/8968] FWHMbHb uncertainty
(
stat.error
)
(
ERROR
)
EWbHb
0.1nm
(n)
[-834730/2.8e+17] Rest-frame EW of broad Hβ in Å (
EW_BROAD_HB
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
e_EWbHb
0.1nm
(n)
[-1/3.1e+16] EWbHb uncertainty
(
stat.error
)
(
ERROR
)
FWHMnHb
km/s
(n)
[0/897] FWHM of narrow Hβ (
FWHM_NARROW_HB
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMnHb
km/s
(n)
[-1/669] FWHMnHb uncertainty
(
stat.error
)
(
ERROR
)
EWnHb
0.1nm
(n)
[0/5.4e+16] Rest-frame EW of narrow Hβ in Å (
EW_NARROW_HB
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWnHb
0.1nm
(n)
[-1/1.6e+16] EWnHb uncertainty
(
stat.error
)
(
ERROR
)
FWHMOIII
km/s
(n)
[0/3132] FWHM of [OIII]λ5007 (
FWHM_OIII_5007
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMOIII
km/s
(n)
[-1/354] FWHMOIII uncertainty
(
stat.error
)
(
ERROR
)
EWOIII
0.1nm
(n)
[0/4e+17] Rest-frame EW of [OIII]λ5007 in Å (
EW_OIII_5007
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWOIII
0.1nm
(n)
[-1/24] EWOIII uncertainty
(
stat.error
)
(
ERROR
)
EWFeHb
0.1nm
(n)
[-1.5e+14/1.9e+17] Rest-frame equivalent width of Fe within 4435-4685Å in Å (
EW_FE_HB
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
NHb
(n)
[179/180] Number of good pixels for the rest-frame 4750-4950Å (
LINE_NPIX_HB
)
(
meta.number
)
(
NUMBER
)
MedSNHb
(n)
[0/100] Median S/N per pixel for the rest-frame 4750-4950Å (
LINE_MED_SN_HB
)
(
stat.snr
)
(
SPECT_S/N
)
q_Hb
(n)
[-9999/0] Flag for the quality in Hβ fitting (0=acceptable) (
LINE_FLAG_HB
)
(Note 5)
(
meta.code.qual
)
(
CODE_QUALITY
)
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
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMMgII
km/s
(n)
[-1/4756] FWHMMgII uncertainty
(
stat.error
)
(
ERROR
)
EWMgII
0.1nm
(n)
[-5699/1.8e+18] Rest-frame equivalent width of the whole MgII in Å (
EW_MGII
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWMgII
0.1nm
(n)
[-1/1.8e+17] EWMgII uncertainty
(
stat.error
)
(
ERROR
)
FWHMbMgII
km/s
(n)
[202/26186] FWHM of the whole broad MgII (
FWHM_BROAD_MGII
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMbMgII
km/s
(n)
[-1/15925] FWHMbMgII uncertainty
(
stat.error
)
(
ERROR
)
EWbMgII
0.1nm
(n)
[-5276/1.6e+18] Rest-frame equivalent width of the whole broad MgII in Å (
EW_BROAD_MGII
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWbMgII
0.1nm
(n)
[-1/1.8e+17] EWbMgII uncertainty
(
stat.error
)
(
ERROR
)
FWHMbMgII2
km/s
(n)
[202/26186] FWHM of the broad MgIIλ2796 (
FWHM_BROAD_MGII_2796
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMbMgII2
km/s
(n)
[-1/18770] FWHMbMgII2 uncertainty
(
stat.error
)
(
ERROR
)
FWHMnMgII2
km/s
(n)
[0/897] FWHM of the narrow MgIIλ2796 (
FWHM_NARROW_MGII_2796
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMnMgII2
km/s
(n)
[-1/97551] FWHMnMgII2 uncertainty
(
stat.error
)
(
ERROR
)
EWFeMgII
0.1nm
(n)
[-876/4.1e+19] Rest-frame equivalent width of Fe within 2200-3090Å in Å (
EW_FE_MGII
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
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
)
(
meta.number
)
(
NUMBER
)
MedSNMgII
(n)
[0/124] Median S/N per pixel for the rest-frame 2700-2900Å (
LINE_MED_SN_MGII
)
(
stat.snr
)
(
SPECT_S/N
)
q_MgII
(n)
[-9999/0] Flag for the quality in MgII fitting (0=acceptable) (
LINE_FLAG_MGII
)
(Note 5)
(
meta.code.qual
)
(
CODE_QUALITY
)
FWHMCIV
km/s
(n)
[215.9/36566] FWHM of the whole CIV (
FWHM_CIV
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMCIV
km/s
(n)
[-1/6447] FWHMCIV uncertainty
(
stat.error
)
(
ERROR
)
EWCIV
0.1nm
(n)
[-3.9e+6/6159] Rest-frame EW of the whole CIV in Å (
EW_CIV
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWCIV
0.1nm
(n)
[-1/217] EWCIV uncertainty
(
stat.error
)
(
ERROR
)
FWHMbCIV
km/s
(n)
[674/37943] FWHM of the broad CIV (
FWHM_BROAD_CIV
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMbCIV
km/s
(n)
[-1/10426] FWHMbCIV uncertainty
(
stat.error
)
(
ERROR
)
EWbCIV
0.1nm
(n)
[-3.9e+6/5829] Rest-frame EW of the broad CIV in Å (
EW_BROAD_CIV
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWbCIV
0.1nm
(n)
[-55395/215] EWbCIV uncertainty
(
stat.error
)
(
ERROR
)
FWHMnCIV
km/s
(n)
[0/897] FWHM of the narrow CIV (
FWHM_NARROW_CIV
)
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
e_FWHMnCIV
km/s
(n)
[-1/762] FWHMnCIV uncertainty
(
stat.error
)
(
ERROR
)
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
)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EWnCIV
0.1nm
(n)
[-29/94] EWnCIV uncertainty
(
stat.error
)
(
ERROR
)
NCIV
(n)
[280/281] Number of good pixels for the rest-frame 1500-1600Å (
LINE_NPIX_CIV
)
(
meta.number
)
(
NUMBER
)
MedSNCIV
(n)
[0/68] Median S/N per pixel for the rest-frame 1500-1600Å
(
stat.snr
)
(
SPECT_S/N
)
q_CIV
(n)
[-9999/0] Flag for the quality in CIV fitting (0=acceptable) (
LINE_FLAG_CIV
)
(Note 5)
(
meta.code.qual
)
(
CODE_QUALITY
)
alphaL1
(n)
[-2/-0.5] Wavelength power-law index from ∼1300 to 4661Å (
ALPHA_LAMBDA_1
)
(
spect.index
)
(
SPECT_SP+INDEX
)
alphaL2
(n)
[-0.5/0.5] Wavelength power-law index redward of 4661Å (
ALPHA_LAMBDA_2
)
(
spect.index
)
(
SPECT_SP+INDEX
)
rChi2
(n)
[3e-5/522002] Reduced chi-square (
MODEL_PHOT_REDCHI2
)
(
stat.fit.chi2
)
(
FIT_CHI2
)
logL5100
[10-7W]
(n)
[38.7/47] Monochromatic luminosity at 5100Å in erg/s
(
phys.luminosity;em.opt
)
(
PHYS_LUMINOSITY_OPT
)
logL3000
[10-7W]
(n)
[28.4/48.7] Monochromatic luminosity at 3000Å in erg/s
(
phys.luminosity
)
(
SPECT_LUMINOSITY
)
f_logL3000
(char)
i: -infinity
(
meta.code
)
(
CODE_MISC
)
logL1350
[10-7W]
(n)
[28.3/48.8] Monochromatic luminosity at 1350Å in erg/s
(
phys.luminosity
)
(
SPECT_LUMINOSITY
)
f_logL1350
(char)
i: -infinity
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
logBHHb
[Msun]
(n)
[5.6/10] Virial BH mass based on Hβ (
LOGBH_HB
)
(
phys.mass
)
(
PHYS_MASS_MISC
)
logBHMgII
[Msun]
(n)
[0.6/10.3] Virial BH mass based on MgII (
LOGBH_MGII
)
(
phys.mass
)
(
PHYS_MASS_MISC
)
logBHCIV
[Msun]
(n)
[6.4/11] Virial BH mass based on CIV (
LOGBH_CIV
)
(
phys.mass
)
(
PHYS_MASS_MISC
)
SDSS
(char)
Name of the quasar in the SDSS quasar catalog (Paris+ 2018,
VII/286
; superseded by
VII/289
)
(Note 6)
(
meta.id.cross
)
(
ID_CROSSID
)
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)
(
meta.id.cross
)
(
ID_CROSSID
)
Cts
ct
(n)
[5.6/729] Background-corrected source counts in 0.1-2.4keV from 2RXS source catalog ( 2RXS_CTS)
(
phot.count;em.X-ray
)
(
PHOT_COUNTS_X
)
e_Cts
ct
(n)
[2.7/29] Cts uncertainty
(
stat.error
)
(
ERROR
)
2RXSExp
s
(n)
[54/1500] Source exposure time from 2RXS (
RXS2_EXPTIME
)
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
Sep2RXS
arcsec
(n)
[0.1/30] LAMOST-2RXS separation (
LM_2RXS_SEP
)
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
3XMM
(char)
Name of the object in XMM-Newton Serendipitous Source Catalog (3XMM-DR8, Rosen+ 2016,
IX/55
; JHHMMSS.s+DDMMSS) ( 3XMM_NAME)
(
meta.id.cross
)
(
ID_CROSSID
)
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)
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
e_F0.2-12keV
mW/m2
(n)
[2e-15/1.9e-13] F0.2-12keV uncertainty
(
stat.error
)
(
ERROR
)
Sep3XMM
arcsec
(n)
[0.006/3] LAMOST-3XMM separation (
LM_3XMM_SEP
)
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
Fpk
mJy
(n)
[0.98/14775] FIRST peak flux density at 20cm (
FPEAK
)
(
phot.flux.density;em.radio.750-1500MHz
)
(
PHOT_FLUX_RADIO_1.4G
)
SepFIRST
arcsec
(n)
[0.0003/5] LAMOST-FIRST separation (
LM_FIRST_SEP
)
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
FIRST
Display data from FIRST (
VIII/92
) within 5"
(
meta.ref.url
)
(
DATA_LINK
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
NED
ask the
NED
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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