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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/271/20
-1
Broad emission line of 4FGL blazars (Chen+, 2024)
ReadMe+ftp
2024ApJS..271...20C
Similar Catalogs
Post annotation
1.
J/ApJS/271/20/table1
The sample of 979 Fermi blazars
(979 rows)
meta
J/ApJS/271/20/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
)
sp
(char)
Display the emission line fluxes of this source (link to Table 2)
(
meta.ref.url
)
(
DATA_LINK
)
4FGL
(char)
(i)
4FGL-DR4 catalog identifier (JHHMM.m+DDMM)
(
meta.id;meta.main
)
(
ID_MAIN
)
Name
(char)
Other name
(
meta.id
)
(
ID_ALTERNATIVE
)
z
[0.027/4.4] Spectroscopic redshift
(
src.redshift
)
(
REDSHIFT_HC
)
C1
(char)
4FGL-DR4 catalog classification
(Note 1)
(
meta.code.class;src.class
)
(
CLASS_CODE
)
C2
(char)
Yang+ 2022,
J/ApJS/262/18
classification
(
meta.code.class;src.class
)
(
CLASS_CODE
)
lognu
[Hz]
(n)
[12.1/18.2] Log peak frequency
(Note 2)
(
em.freq
)
(
OBS_FREQUENCY
)
F0.1-100
mW/m2/sr
[5e-13/7.4e-10] The 0.1-100GeV gamma-ray flux; erg/cm
2
/sr
(
phot.flux;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
alpha
[1.4/3.3] 4FGL-DR4 catalog photon spectral index
(
spect.index
)
(
SPECT_SP-INDEX
)
logLg
[10-7W]
[42.8/48.9] Log 0.1-100GeV gamma-ray luminosity; erg/s
(
phys.luminosity;em.gamma
)
(
PHYS_LUMINOSITY_GAMMA
)
logLBLR
[10-7W]
[40.4/46.7] Log Broad-Line Region luminosity; erg/s
(
phys.luminosity
)
(
PHYS_LUMINOSITY_GENERAL
)
r_logLBLR
(char)
Reference code for logLBLR
(Note 3)
(
meta.ref;phys.luminosity
)
(
REFER_CODE
)
delta
[0.45/88.6] Doppler factor from this work
(
arith.factor
)
(
PHYS_TANG-DOPPLER-FACT
)
DR3
(n)
Display data from 4FGL-DR3 (
IX/67
)
(
meta.ref.url
)
(
DATA_LINK
)
Y22
(n)
Display data from Yang+ 2022,
J/ApJS/262/18
(
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
)
_RA
deg
(i)
Positions from SIMBAD or from the 4FGL-DR4 (
https://fermi.gsfc.nasa.gov/ssc/data/access/lat/14yr_catalog/gll_psc_v32.reg
) (right ascension part)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DE
deg
(i)
Positions from SIMBAD or from the 4FGL-DR4 (
https://fermi.gsfc.nasa.gov/ssc/data/access/lat/14yr_catalog/gll_psc_v32.reg
) (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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UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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