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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/A+A/707/A347
-1
Blazar candidates of uncertain type (Chen+, 2026)
ReadMe+ftp
2026A&A...707A.347C
Similar Catalogs
spectrum
Post annotation
1.
J/A+A/707/A347/table1
(c)
Cross-matched results of BCU samples with SDSS spectra
[spectrum]
(86 rows)
meta
J/A+A/707/A347/table1
2.
J/A+A/707/A347/table2
Spectral line measurements of BCU samples with SDSS spectra
(237 rows)
meta
J/A+A/707/A347/table2
3.
J/A+A/707/A347/table3
Black hole mass estimates and derived parameters for BCU samples
(46 rows)
meta
J/A+A/707/A347/table3
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
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)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
All
(char)
Display all data for this source
(
meta.ref.url
)
(
DATA_LINK
)
(ALL)
4FGL
(char)
4FGL name
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
Ctp
(char)
Associated counterpart name of the Fermi source
(
meta.id.assoc
)
(
ID_ASSOCIATED
)
(1+2)
SDSS
(char)
SDSS spectral identifier in Plate-MJD-FiberID format
(
meta.id
)
(
ID_ALTERNATIVE
)
(1)
RAJ2000
deg
(i)
Right Ascension of Fermi 4FGL source centroid (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
DEJ2000
deg
(i)
Declination of Fermi 4FGL source centroid (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(1)
RACdeg
deg
Right Ascension of Fermi associated counterpart (J2000)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
(1)
DECdeg
deg
Declination of Fermi associated counterpart (J2000)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
(1)
RASdeg
deg
Right Ascension of matched SDSS spectrum (J2000)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
(1)
DESdeg
deg
Declination of matched SDSS spectrum (J2000)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
ALL
cols
(i)
indexed column
(1)
SepFermiSDSS
deg
Angular separation between Fermi centroid and SDSS spectrum
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
(1)
ePosFermi
deg
95% positional error radius of Fermi 4FGL source centroid
(
stat.error;phys.angSize
)
(
ERROR
)
(1)
SepCtpSDSS
arcsec
Angular separation between associated counterpart and SDSS spectrum, arcseconds
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
(1)
ProbAssoc
Association probability given in the 4FGL catalog
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
(1)
Sp
(char)
Interactive spectrum from SDSS-DR14
(
meta.ref.url
)
(
DATA_LINK
)
(2)
SNR
Signal-to-noise ratio of the spectrum
(
stat.snr
)
(
INST_S/N
)
(2+3)
zSDSS
(n)
Redshift in SDSS
(
src.redshift;pos.heliocentric
)
(
REDSHIFT_HC
)
(2)
Class
(char)
Classification based on optical spectra
(Note 1)
(
meta.code.class;src.class
)
(
SPECT_TYPE_GENERAL
)
(2)
lambdaObs
0.1nm
(n)
Observed wavelength of the emission or absorption line (Angstroems)
(
em.wl
)
(
SPECT_WAVELENGTH_MISC
)
(2)
LineType
(char)
[AE] Line type: E for emission lines, A for absorption lines
(
meta.code
)
(
CODE_MISC
)
(2+3)
LineID
(char)
Line identification with rest-frame wavelength
(Note 2)
(
meta.id;em.wl;spect.line
)
(
SPECT_LINE_ID
)
(2)
zline
(n)
Redshift derived from the line
(
src.redshift
)
(
REDSHIFT_HC
)
(2)
e_zline
(n)
Uncertainty in z_line
(
stat.error
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(2)
EW
0.1nm
(n)
Equivalent width of the line (Angstroms)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
(2)
e_EW
0.1nm
(n)
Uncertainty in EW
(
stat.error;spect.line.eqWidth
)
(
ERROR
)
(3)
Lcont
10-7W
(n)
Continuum luminosity (erg/s)
(Note 1)
(
phys.luminosity
)
(
PHYS_LUMINOSITY_CONTINUUM
)
(3)
e_Lcont
10-7W
(n)
Continuum luminosity error (erg/s)
(Note 1)
(
stat.error
)
(
ERROR
)
(3)
FWHM
km/s
Full width at half maximum of the emission line
(
spect.line.width
)
(
SPECT_LINE_FWHM
)
(3)
e_FWHM
km/s
Full width at half maximum of the emission line error
(
stat.error;phys.angSize
)
(
ERROR
)
(3)
Flux
10-20W/m2
Line flux (10
–17erg/s/cm
2^)
(
phot.flux;spect.line
)
(
SPECT_FLUX_VALUE
)
(3)
e_Flux
10-20W/m2
Line flux error (10
–17erg/s/cm
2^)
(
stat.error;phot.flux
)
(
ERROR
)
(3)
logLline
[10-7W]
Logarithmic line luminosity (erg/s)
(
phys.luminosity
)
(
SPECT_LUMINOSITY
)
(3)
e_logLline
[10-7W]
Logarithmic line luminosity error (erg/s)
(
stat.error
)
(
ERROR
)
(3)
logMBH
[Msun]
(n)
Logarithmic black hole mass
(
phys.mass
)
(
PHYS_MASS_MISC
)
(3)
e_logMBH
[Msun]
(n)
Logarithmic black hole mass error
(
stat.error
)
(
ERROR
)
(3)
logLBLR
[10-7W]
(n)
Logarithmic broad-line region luminosity (erg/s)
(
phys.luminosity
)
(
PHYS_LUMINOSITY_GENERAL
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(3)
e_logLBLR
[10-7W]
(n)
Logarithmic broad-line region luminosity error (erg/s)
(
stat.error
)
(
ERROR
)
(3)
logLgamma
[10-7W]
(n)
Logarithmic gamma-ray luminosity, log L_gamma(0.1-100 GeV) (erg/s)
(
phys.luminosity;em.gamma
)
(
PHYS_LUMINOSITY_GAMMA
)
(3)
e_logLgamma
[10-7W]
(n)
Logarithmic gamma-ray luminosity error (erg/s)
(
stat.error
)
(
ERROR
)
(3)
Doppler
(n)
Doppler factor estimated in this work
(
spect.dopplerParam
)
(
PHYS_TANG-DOPPLER-FACT
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.cds.unistra.fr/annotations/vizierTable//
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