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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
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J/ApJ/936/146
-1
SED, optical & gamma-ray parameters for 656 blazars (Xiao+, 2022)
ReadMe+ftp
2022ApJ...936..146X
Similar Catalogs
Post annotation
1.
J/ApJ/936/146/table1
Optical, γ-ray, and SED parameters of 656 4LAC blazars
(656 rows)
meta
J/ApJ/936/146/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)
The 4FGL identifier (JHHMM.m+DDMM)
(
meta.id;meta.main
)
(
ID_MAIN
)
z
[0.027/4.314] Spectroscopic redshift
(Note 1)
(
src.redshift
)
(
REDSHIFT_HC
)
EW-Ha
0.1nm
(n)
[4.72/2376] Hα equivalent width
(Note 1)
(
spect.line.eqWidth;em.line.Halpha
)
(
SPECT_EQ-WIDTH
)
e_EW-Ha
0.1nm
(n)
[1/1376] Uncertainty in EW-Ha
(Note 1)
(
stat.error;spect.line.eqWidth;em.line.Halpha
)
(
ERROR
)
EW-Hb
0.1nm
(n)
[0/1045] Hβ equivalent width
(Note 1)
(
spect.line.eqWidth;em.line.Hbeta
)
(
SPECT_EQ-WIDTH
)
e_EW-Hb
0.1nm
(n)
[0/145] Uncertainty in EW-Hb
(Note 1)
(
stat.error;spect.line.eqWidth;em.line.Hbeta
)
(
ERROR
)
EW-MgII
0.1nm
(n)
[0/1154] Mg II equivalent width
(Note 1)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EW-MgII
0.1nm
(n)
[0.2/242] Uncertainty in EW-MgII
(Note 1)
(
stat.error;spect.line.eqWidth
)
(
ERROR
)
EW-CIV
0.1nm
(n)
[0/1963] C IV equivalent width
(Note 1)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
e_EW-CIV
0.1nm
(n)
[0.06/268] Uncertainty in EW-CIV
(Note 1)
(
stat.error;spect.line.eqWidth
)
(
ERROR
)
logBLR
[10-7W]
[41.76/46.42] Log broad line region luminosity; erg/s
(
phys.luminosity
)
(
PHYS_LUMINOSITY_GENERAL
)
logIC
[mW/m2]
(n)
[-12.63/-9.32] Log inverse Compton peak flux; erg/cm
2
/s
(
phot.flux.density;em.gamma.hard
)
(
SPECT_FLUX_VALUE
)
Flux
ph/cm2/s
[6.26e-11/8.69e-08] Integral 1-100GeV photon flux
(Note 2)
(
phot.flux;em.gamma.hard
)
(
SPECT_FLUX_VALUE
)
alpha
[1.95/3.04] Photon index
(Note 2)
(
spect.index
)
(
SPECT_SP-INDEX
)
Class
(char)
4LAC DR2 (see Ajello+ 2022,
J/ApJS/263/24
) classification
(Note 3)
(
meta.code.class;src.class
)
(
CLASS_MISC
)
DR3
Display data from 4LAC-DR3 (Ajello+ 2022,
J/ApJS/263/24
) and 4LAC (Ajello+ 2020,
J/ApJS/263/24
)
(
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)
Position from Simbad (right ascension part)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DE
deg
(i)
Position from Simbad (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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