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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/ApJ/943/167
-1
FSRQs & BL Lac objects from 4FGL blazar candidates (Kaur+, 2023)
ReadMe+ftp
2023ApJ...943..167K
Similar Catalogs
Post annotation
1.
J/ApJ/943/167/table1
The 1098 sources used for training data containing BL Lacs and Flat Spectrum Radio Quasars
(1098 rows)
meta
J/ApJ/943/167/table1
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Type
(char)
Source type ("BL Lacs" or "FSRQ")
(
src.class
)
(
CLASS_OBJECT
)
4FGL
(char)
Fermi 4FGL catalog identifier (JHHMM.m+DDMM)
(
meta.id;meta.main
)
(
ID_MAIN
)
logFg
[mW/m2]
[-12.16/-9] Log Gamma-ray flux; erg/s/cm
2
(
phot.flux.density;em.gamma
)
(
PHOT_FLUX_GAMMA
)
Gamma
[1.45/3.1] The Gamma-ray photon index
(
spect.index
)
(
SPECT_SP-INDEX
)
Var
[-4/1.61] Year-over-year Gamma-ray variability index
(
src.var.index
)
(
VAR_INDEX
)
Curve
[0.27/4.9] Significance of the curvature in Gamma-ray spectrum
(
stat.fit.goodness
)
(
STAT_SIGNIFICANCE
)
logFX/Fg
[-]
[-2.76/1.27] Log X-ray to Gamma-ray flux
(
phot.flux;em.X-ray;em.gamma
)
(
PHOT_FLUX_RATIO
)
logFV/Fg
[-]
[-7.44/-2.66] Log V band to Gamma-ray flux
(
phot.flux;em.opt.V;em.gamma
)
(
PHOT_FLUX_RATIO
)
W1-W2
mag
[0.05/1.51] WISE (W1-W2) color index
(
phot.color;em.IR.3-4um;em.IR.4-8um
)
(
PHOT_CI_IR
)
W2-W3
mag
[0.7/5.26] WISE (W2-W3) color index
(
phot.color;em.IR.8-15um;em.IR.15-30um
)
(
PHOT_CI_IR
)
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
)
_RA
deg
(i)
Right Ascension (J2000) from SIMBAD (not part of the original data)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DE
deg
(i)
Declination (J2000) from SIMBAD (not part of the original data)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
ALL
cols
(i)
indexed column
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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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