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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/913/120
-1
4FGL blazars with Gaia DR2 data (Zeng+, 2021)
ReadMe+ftp
2021ApJ...913..120Z
Similar Catalogs
Post annotation
1.
J/ApJ/913/120/table1
Sample for 1124 blazars
(1124 rows)
meta
J/ApJ/913/120/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
)
4FGL
(char)
4FGL name (JHHMM.m+DDMM)
(
meta.id;meta.main
)
(
ID_MAIN
)
z
[0.01/3.8] Spectroscopic redshift from the 4LAC (Ajello+, 2020,
J/ApJ/892/105
)
(
src.redshift
)
(
REDSHIFT_HC
)
S25GeV
mW/m2
[8.4e-13/1.2e-9] The 25GeV energy flux; in erg/s/cm
2
units
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
Gamma
[1.5/3.2] Power-law spectral index in the 100MeV to 100GeV energy band
(
spect.index;em.gamma
)
(
SPECT_SP-INDEX
)
Class
(char)
Classification
(Note 1)
(
src.class
)
(
CLASS_OBJECT
)
Gaia
Gaia DR2 counterpart identifier
(
meta.id
)
(
ID_CROSSID
)
Gmag
mag
[12.8/21.5] Gaia DR2 G passband band magnitude
(
phot.mag;em.opt
)
(
PHOT_MAG_OPTICAL
)
BPmag
mag
(n)
[12.9/21.3] Gaia DR2 Blue passband magnitude
(
phot.mag;em.opt.B
)
(
PHOT_MAG_B
)
RPmag
mag
(n)
[12.2/20.4] Gaia DR2 Red passband magnitude
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
fnu
mJy
[0.009/24.7] Gaia DR2 G passband flux density
(
phot.flux.density;em.opt
)
(
PHOT_FLUX_DENSITY
)
fnuBP
mJy
(n)
[0.01/24] Gaia DR2 Blue passband flux density
(
phot.flux.density;em.opt
)
(
PHOT_FLUX_B
)
fnuRP
mJy
(n)
[0.01/32.1] Gaia DR2 Red passband flux density
(
phot.flux.density;em.opt
)
(
PHOT_FLUX_R
)
alpha
[-0.8/4.1] Optical spectral index
(Note 2)
(
spect.index;em.opt
)
(
SPECT_SP-INDEX
)
Simbad
ask the
Simbad
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
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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