VizieR Search Page
[
Back
] ⋅ [
Forwd
] ⋅ [
Print
] ⋅ [
Close
]
JavaScript is used, and should be enabled to get full functionality.
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/892/105
-1
Fourth catalog of Fermi LAT-detected AGNs (4LAC) (Ajello+, 2020)
ReadMe+ftp
2020ApJ...892..105A
Similar Catalogs
Post annotation
1.
J/ApJ/892/105/4lac
4LAC high (|b|>10deg) and low (|b|<10deg) Galactic latitude sources (
original column names in green
)
(3207 rows)
meta
J/ApJ/892/105/4lac
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
Standard
Original
Show
Sort
Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Group
(char)
Latitude grouping (
h
igh or
l
ow)
(
meta.id
)
(
ID_SET
)
4FGL
(char)
(i)
4FGL name (JHHMM.m+DDMMa) (
Source_Name
)
(
meta.id;meta.main
)
(
ID_MAIN
)
RAJ2000
deg
(i)
Right ascension (J2000) (
RAJ2000
)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
deg
(i)
Declination (J2000) (
DEJ2000
)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
GLON
deg
Galactic longitude
(
pos.galactic.lon
)
(
POS_GAL_LON
)
GLAT
deg
Galactic latitude
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
Sig
[4/444] Source significance in σ units over the 50MeV-1TeV band (
Signif_Avg
)
(
stat.fit.goodness;arith.ratio
)
(
STAT_SIGNIFICANCE
)
F1000i
ph/cm2/s
[8.8e-12/9.9e-8] Integral photon flux from 1 to 100GeV (
Flux1000
)
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
e_F1000i
ph/cm2/s
[4.9e-12/6e-10] F1000i 1σ error (
Unc_Flux1000
)
(
stat.error
)
(
ERROR
)
EF100
mW/m2
[6.4e-13/1.2e-9] Energy flux from 100MeV to 100GeV obtained by spectral fitting in erg/cm
2
/s units (
Energy_Flux100
)
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
ALL
cols
(i)
indexed column
e_EF100
mW/m2
[1.7e-13/6.5e-12] EF100 1σ error (
Unc_Energy_Flux100
)
(
stat.error
)
(
ERROR
)
Mod
(char)
Spectral type in the global model (PowerLaw, LogParabola, PLSuperExpCutoff) (
SpectrumType
)
(
src.spType;meta.modelled
)
(
MODEL_ID
)
PLGam
[1.39/3.5] Photon index when fitting with PowerLaw (
PL_Index
)
(
spect.index
)
(
SPECT_SP-INDEX
)
e_PLGam
[0.003/0.33] PLGam 1σ error (
Unc_PL_Index
)
(
stat.error
)
(
ERROR
)
Epiv
MeV
[137.8/25099.3] Pivot Energy (
Pivot_Energy
)
(
phys.energy
)
(
PHYS_ENERGY_X
)
LPalpha
[-0.34/3.6] Photon index at Pivot_Energy (α) when fitting with LogParabola (
LP_Index
)
(
spect.index
)
(
SPECT_SP-INDEX
)
e_LPalpha
[0.004/3] LPalpha 1σ error (
Unc_LP_Index
)
(
stat.error
)
(
ERROR
)
LPbeta
[-0.17/1] Curvature parameter (β) when fitting with LogParabola (
LP_beta
)
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_LPbeta
(n)
[0.001/1.5] LPbeta 1σ error (
Unc_LP_beta
)
(
stat.error
)
(
ERROR
)
Flags
[0/2096] Analysis flags (0=no warning)
Binary flag
; see text and Table 5 for more explanations
(
meta.code.error
)
(
CODE_MISC
)
Class
(char)
Class designation for associated source
(
src.class
)
(
CLASS_OBJECT
)
Assoc1
(char)
Name of identified or likely associated source
(
meta.id.assoc
)
(
ID_ASSOCIATED
)
ProbBY
(n)
[0/1] Probability of association according to the Bayesian method (
ASSOC_PROB_BAY
)
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
ProbLR
[0/1] Probability of association according to the Likelihood Ratio method (
ASSOC_PROB_LR
)
(
stat.fit.goodness
)
(
STAT_PROBABILITY
)
CCat
(char)
Counterpart catalog driving the association (
Counterpart_Catalog
)
(Note 1)
(
meta.id;meta.dataset
)
(
ID_CATALOG
)
RACdeg
deg
Right ascension of the counterpart Assoc1 (J2000) (
RA_Counterpart
)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
DECdeg
deg
Declination of the counterpart Assoc1 (J2000) (
DEC_Counterpart
)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
errCPos
deg
[3.8e-8/2.5] 95% precision of the counterpart localization (
Unc_Counterpart
)
(
meta.code.qual;instr.precision
)
(
ERROR
)
RFC
(char)
Name of the VLBI counterpart (JHHMM+DDMM) (
VLBI_Counterpart
)
(
meta.id.cross
)
(
ID_CROSSID
)
Gaia
(n)
Name of the Gaia DR2 counterpart established via the VLBI position (
Gaia_Counterpart
)
(
meta.id.cross
)
(
ID_CROSSID
)
Gmag
mag
(n)
[12.8/21.5] Gaia G-band magnitude (
Gaia_G_Magnitude
)
(
phot.mag;em.opt
)
(
PHOT_MAG_OPTICAL
)
z
(n)
[1.7e-5/4.4] Redshift (
Redshift
)
(
src.redshift
)
(
REDSHIFT_HC
)
SEDCl
(char)
SED-based class (HSP, ISP or LSP) (
SED_class
)
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
nu
Hz
[0/1.2e+19] Synchrotron-peak frequency in observer frame (
nu_syn
)
(
em.freq;obs.field
)
(
OBS_FREQUENCY
)
nuFnu
mW/m2
[0/7.9e-10] Spectral energy distribution at synchrotron-peak frequency in erg/cm
2
/s units (
nuFnu_syn
)
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
Var
[0.3/50906] Variability index (
Variability_Index
)
(
src.var.index
)
(
VAR_INDEX
)
fVar
[0/2.6] Fractional variability (
Frac_Variability
)
(
src.var.index
)
(
VAR_INDEX
)
e_fVar
[0.02/10] FVar 1σ error (
Unc_Frac_Variability
)
(
stat.error
)
(
ERROR
)
Emax
GeV
(n)
[4.1/913] Energy of the highest-energy ULTRACLEANVETO photon with association probability P>0.95 (
Highest_energy
)
(
phys.energy;stat.max;em.gamma
)
(
PHYS_ENERGY_X
)
VHE
(n)
Display data for this Very-High-Energy AGN (link to Table 7)
(
meta.ref.url
)
(
DATA_LINK
)
Pec
(n)
Display data for this non-blazar object (link to Table 6)
(
meta.ref.url
)
(
DATA_LINK
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
Adapt form
Display your selection only
Reset to default columns
Display
UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
elapse time 0