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J/ApJS/247/16
1169
Extreme high-frequency-peaked BL Lac objects (Acciari+, 2020)
ReadMe+ftp
2020ApJS..247...16A
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spectrum
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1.
J/ApJS/247/16/fermi
Main spectral parameters resulting from the analysis of Swift-XRT and Fermi-LAT data (Table 4) and parameters from the 3FGL, 2FHL, and 3FHL catalogs (Table 6)
(11 rows)
meta
J/ApJS/247/16/fermi
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recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Name
(char)
Target name
(
meta.id;meta.main
)
(
ID_MAIN
)
n_Name
(char)
[b] Note on name
(Note 1)
(
meta.note
)
(
NOTE
)
MJDx
d
[55648/57784] Swift-XRT observation date
(
time.epoch
)
(
TIME_DATE
)
F2-10keV
10-15W/m2
[1.6/47.4] Swift-XRT X-ray flux in the 2-10keV energy range
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
e_F2-10keV
10-15W/m2
[0.1/1.4] Fxrt uncertainty
(
stat.error
)
(
ERROR
)
GammaX
[1.63/2.18] Spectral index of X-ray spectrum
(
spect.index
)
(
SPECT_SP-INDEX
)
e_GammaX
[0.02/0.2] GammaX uncertainty
(
stat.error
)
(
ERROR
)
chi2
[9.5/171.2] Fit χ
2
(
stat.fit.param;meta.modelled
)
(
FIT_CHI2
)
dof
[14/172] Degree of freedom
(
stat.fit.dof
)
(
STAT_N-DOF
)
MJDSt
d
(n)
[54682/57388] Fermi-LAT start date of observation
(
time.epoch
)
(
TIME_DATE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
MJDEnd
d
(n)
[56292/58318] Fermi-LAT end date of observation
(
time.epoch
)
(
TIME_DATE
)
F1-300GeV
10-10cm-2/s
(n)
[1.4/6.7] Fermi-LAT gamma-ray flux in the range of 1-300GeV
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
e_F1-300GeV
10-10cm-2/s
(n)
[0.6/1.7] Ffermi uncertainty
(
stat.error
)
(
ERROR
)
GammaR
(n)
[1.4/2] Spectral index of the HE gamma-ray spectrum
(
spect.index
)
(
SPECT_SP-INDEX
)
e_GammaR
(n)
[0.2/0.2] GammaR uncertainty
(
stat.error
)
(
ERROR
)
TS
[23/94] Likelihood test statistics (TS) of the fitted model
(Note 2)
(
stat.likelihood
)
(
STAT_LIKELIHOOD
)
F1-100GeV
10-10ph/cm2/s
(n)
[1.8/6.6] 3FGL gamma-ray flux in 1-100 GeV energy range
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
e_F1-100GeV
10-10ph/cm2/s
(n)
[0.1/1] F3FGL uncertainty
(
stat.error
)
(
ERROR
)
Gam3FGL
(n)
[1.4/2.1] Spectral index for the power-law fit in 100MeV-100GeV
(
spect.index
)
(
SPECT_SP-INDEX
)
e_Gam3FGL
(n)
[0.08/0.3] Gam3FGL uncertainty
(
stat.error
)
(
ERROR
)
Sig
(n)
[5.1/16.7] the detection significance reported by 3FGL (Acero+ 2015,
J/ApJS/218/23
)
(
stat.fit.goodness;instr.saturation
)
(
STAT_SIGNIFICANCE
)
Gam3FHL
(n)
[1.5/2.1] Spectral index for the power-law fit >10GeV reported in 3FHL (Ajello+ 2017,
J/ApJS/232/18
)
(
spect.index
)
(
SPECT_SP-INDEX
)
e_Gam3FHL
(n)
[0.1/0.4] Gam3FHL uncertainty
(
stat.error
)
(
ERROR
)
Gam2FHL
(n)
[1.09/3.6] Spectral index for the power-law fit >50GeV reported in 2FHL (Ackermann+ 2016,
J/ApJS/222/5
)
(
spect.index
)
(
SPECT_SP-INDEX
)
e_Gam2FHL
(n)
[0.4/1.4] Gam2FHL uncertainty
(
stat.error
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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