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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)
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J/ApJ/923/75
-1
X-ray/UV/opt counterparts of 4FGL gamma-ray sources (Kerby+, 2021)
ReadMe+ftp
2021ApJ...923...75K
Similar Catalogs
Post annotation
1.
J/ApJ/923/75/table4
*Fermi-LAT features for the unassociated sample investigated in this work, along with Swift-XRT and -UVOT parameters for all possible X-ray/UV/optical counterparts (multiple X-ray counterparts)
(Note)
(31 rows)
meta
J/ApJ/923/75/table4
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
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+
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)
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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
)
4FGL
(char)
Target 4FGL identifier (JHHMM.m+DDMM)
(
meta.id;meta.main
)
(
ID_MAIN
)
m_4FGL
(n)
Number of X-ray possible counterparts to the Fermi source
(
meta.number
)
(
NUMBER
)
logFG
[10-7W/cm2]
[-12.1/-10.47] Log γ-ray flux; erg/s/cm
2
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
GammaG
[1.7/2.71] The γ-ray photon index
(
spect.index
)
(
SPECT_SP-INDEX
)
VarInd
[1.65/27.2] Year-over-year γ-ray variability index
(
meta.code;src.var.index
)
(
VAR_INDEX
)
CurvInd
[0.05/10.7] The γ-ray curvature index
(
spect.index
)
(
SPECT_INDEX_MISC
)
SwXF4
(char)
Target SwXF4 identifier (JHHMMSS.s+DDMMSS)
(
meta.id.cross
)
(
ID_CROSSID
)
f_SwXF4
(char)
[*] Flag on SwXF4
(Note 1)
(
meta.code
)
(
CODE_MISC
)
logFX
[10-7W/cm2]
[-14.1/-8.97] Log X-ray 0.3-10keV flux; erg/s/cm
2
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
GammaX
[0.01/7.9] X-ray photon index
(
spect.index
)
(
SPECT_SP-INDEX
)
UVOT
(char)
Swift/UVOT filter used
(
meta.code;instr.filter
)
(
INST_FILTER_CODE
)
Vmag
mag
[13.37/21.7] Apparent V band Vega magnitude
(Note G1)
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
Pbzr
[0.0015/1] The blazar probability
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
_RA
deg
(i)
Positions from X-ray source name (SwXF4) (right ascension part)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DE
deg
(i)
Positions from X-ray source name (SwXF4) (declination part)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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