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J/ApJS/275/23
1735
Swift obs. of Mrk 421. IV. 5.5yrs obs. (Kapanadze+, 2024)
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2024ApJS..275...23K
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1.
J/ApJS/275/23/table12
Fastest variability of spectral parameters within the 1-ks time interval
(267 rows)
meta
J/ApJS/275/23/table12
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Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
ObsID-1
(n)
Swift observation identifier for photon index parameter
(
meta.id;obs.param;obs
)
(
OBS_ID
)
alpha
(n)
[0.05/0.17] Change in the photon index at 1 keV for ObsID-1
(
spect.index
)
(
SPECT_SP-INDEX
)
e_alpha
(n)
[0.02/0.04] Uncertainty in the photon index change
(
stat.error;spect.index
)
(
ERROR
)
Type-1
(char)
Direction for ObsID-1
(Note 1)
(
meta.code
)
(
CODE_MISC
)
Deltat-1
ks
(n)
[0.13/0.99] Fraction of the 1-ks time interval for ObsID-1
(
time.interval;arith.ratio
)
(
TIME_EXPTIME
)
G
(char)
Indicates the 0.3-10 keV photon index Gamma
(
meta.note
)
(
SPECT_INDEX_MISC
)
ObsID-2
(n)
Swift observation identifier for curvature parameter
(
meta.id;obs.param;obs
)
(
OBS_ID
)
b
(n)
[0.1/0.31] Curvature parameter for ObsID-2
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_b
(n)
[0.03/0.08] Uncertainty in b
(
stat.error
)
(
ERROR
)
Type-2
(char)
Direction for ObsID-2
(Note 1)
(
meta.code
)
(
CODE_MISC
)
Deltat-2
ks
(n)
[0.13/0.99] Fraction of the 1-ks time interval for ObsID-2
(
time.interval;arith.ratio
)
(
TIME_EXPTIME
)
ObsID-3
[11325001/96557016] Swift observation identifier for peak energy
(
meta.id;obs.param;obs
)
(
OBS_ID
)
l_Ep
(char)
Limit flag on Ep
(
meta.code.error
)
(
CODE_LIMIT
)
Ep
keV
[0.1/20.53] Peak energy
(
em.energy
)
(
PHYS_ENERGY_X
)
e_Ep
keV
(n)
[0.09/0.9] Uncertainty in Ep
(
stat.error;em.energy
)
(
ERROR
)
Type-3
(char)
Direction for ObsID-3
(Note 1)
(
meta.code
)
(
CODE_MISC
)
Deltat-3
ks
[0.13/0.98] Fraction of the 1-ks time interval for ObsID-3
(
time.interval;arith.ratio
)
(
TIME_EXPTIME
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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