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J/ApJ/928/152
-1
Temporal analysis of GRB precursors in Swift-BAT cat. (Li+, 2022)
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2022ApJ...928..152L
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J/ApJ/928/152/table1
The fitting parameters of the GRB episodes
(227 rows)
meta
J/ApJ/928/152/table1
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Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
GRB
(char)
GRB name (YYMMDDA)
(
meta.id;meta.main
)
(
ID_MAIN
)
Type
(char)
GRB type
(
meta.code.class
)
(
CLASS_CODE
)
l_z
(char)
Limit flag on z
(Note 1)
(
meta.code.error;src.redshift
)
(
CODE_LIMIT
)
z
[0.54/6.32] Redshift
(Note 1)
(
src.redshift
)
(
REDSHIFT_HC
)
u_z
(char)
[?] Uncertainty flag on z
(
meta.code.error;src.redshift
)
(
CODE_ERROR
)
T90
s
[7/810.5] Swift/BAT catalog T
90
duration
(
time.interval
)
(
TIME_INTERVAL
)
Peak
(char)
Pulse type
(Note 2)
(
meta.code
)
(
CODE_MISC
)
A
[0.02/4.6] Maximum intensity in units of counts/s/Detector
(
phot.count;em.gamma.hard
)
(
PHOT_COUNT-RATE_GAMMA
)
e_A
[0/0.15] The 1σ uncertainty in A
(
stat.error
)
(
ERROR
)
ts
s
[-233/644] Start time
(
time.epoch
)
(
TIME_MISC
)
ALL
cols
(i)
indexed column
e_ts
s
[0.02/17.2] The 1σ uncertainty in ts
(
stat.error
)
(
ERROR
)
tau1
s
[0.02/648] The τ
1
parameter
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_tau1
s
[0.02/64] The 1σ uncertainty in tau1
(
stat.error
)
(
ERROR
)
tau2
s
[0.3/36.1] The τ
2
parameter
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_tau2
s
[0.01/7] The 1σ uncertainty in tau2
(
stat.error
)
(
ERROR
)
tp
s
[0.18/46] Peak time
(
time.epoch
)
(
TIME_MISC
)
e_tp
s
[0.02/15] The 1σ uncertainty in tp
(
stat.error
)
(
ERROR
)
omega
s
[0.8/49] Pulse width
(
time.interval
)
(
TIME_INTERVAL
)
e_omega
s
[0.05/25] The 1σ uncertainty in omega
(
stat.error
)
(
ERROR
)
kappa
[0.1/1] Pulse asymmetry
(
stat.fit.param
)
(
FIT_PARAM_VALUE
)
e_kappa
[0/0.5] The 1σ uncertainty in kappa
(
stat.error
)
(
ERROR
)
taur
s
[0.16/17.5] Rise time
(
time.epoch
)
(
TIME_MISC
)
e_taur
s
[0.01/7] The 1σ uncertainty in taur
(
stat.error
)
(
ERROR
)
taud
s
[0.58/39] Decline time
(
time.interval
)
(
TIME_INTERVAL
)
e_taud
s
[0.03/12.1] The 1σ uncertainty in taud
(
stat.error
)
(
ERROR
)
Ref
(char)
Reference of previous GRB precursor identifier
(Note 3)
(
pos.frame
)
(
REFER_CODE
)
ALL
cols
(i)
indexed column
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