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J/ApJS/268/20
-1
XRT/UVOT obs. of the TeV-detected blazar Mrk501 (Kapanadze+, 2023)
ReadMe+ftp
2023ApJS..268...20K
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timeSerie
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J/ApJS/268/20/table2
XRT observations of Mrk 501
[timeSerie]
(
Interactive plot
)
timeSerie
(190 rows)
meta
J/ApJS/268/20/table2
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UCD
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recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
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(
RECORD
)
ObsID
XRT Observation identifier
(
meta.id;obs.param;obs
)
(
OBS_ID
)
St
s
(n)
Start Date, YYYY-MM-DD (UTC)
(
time.start
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(
TIME_DATE
)
End
s
(n)
Start Date, YYYY-MM-DD (UTC)
(
time.start
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(
TIME_DATE
)
ExpTime
s
[240/1584] Total Exposure time
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
MJD
d
[59257.5/59945.8] Modified Julian Date, observation start (JD-2400000.5)
(
time.epoch
)
(
TIME_DATE
)
CR
ct/s
[2.5/15.6] Mean 0.3-1.0keV count rate
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
e_CR
ct/s
[0.05/0.3] Error in CR
(
stat.error
)
(
ERROR
)
chi2r
[0.28/37.2] Reduced χ
2
(
meta.note
)
(
FIT_CHI2
)
dof
[1/19] Degrees of freedom of fit
(
stat.fit.dof
)
(
STAT_N-DOF
)
Bin
(char)
s
Time bin ("120", "60" or "Or"=Orbit)
(
time.interval
)
(
TIME_INTERVAL
)
Var
(char)
Brightness variability?
(Note 1)
(
meta.code
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(
CODE_MISC
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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