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J/ApJS/253/10
-1
12yrs of R-band photometry of the quasar 3C 454.3 (Fan+, 2021)
ReadMe+ftp
2021ApJS..253...10F
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1.
J/ApJS/253/10/table1
The R-band observational data for 3C 454.3
[timeSerie]
(
Interactive plot
)
timeSerie
(8523 rows)
meta
J/ApJS/253/10/table1
2.
J/ApJS/253/10/table2
The intraday variability (IDV) results of FSRQ 3C454.3
(41 rows)
meta
J/ApJS/253/10/table2
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Column
Constraint
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(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
JD
d
[0.2/4136.2] Julian Date of observation; JD-2454028
(
time.epoch
)
(
TIME_DATE
)
(1)
Rmag
mag
[12.63/16.46] R band magnitude
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
(1)
e_Rmag
mag
[0/0.04] Uncertainty in Rmag
(
stat.error;phot.mag
)
(
ERROR
)
(2)
m1
mag
[12.34/16.18] Magnitude at the variability occurring point
(
phot.mag
)
(
PHOT_MAG_LIMIT
)
(2)
m2
mag
[12.51/16.18] Magnitude at the variability ending point
(
phot.mag
)
(
PHOT_MAG_LIMIT
)
(2)
sigma
mag
[0.0013/0.016] Uncertainty of the corresponding night
(
stat.stdev;phot.mag
)
(
ERROR
)
(2)
N
[2/126] Number of pairs of observations
(
meta.number
)
(
NUMBER
)
(2)
C1
[2.8/15.6] Variability index, target-comparison star #1
(Note 1)
(
src.var.index
)
(
VAR_INDEX
)
(2)
C2
[2.6/16] Variability index, target-comparison star #2
(Note 1)
(
src.var.index
)
(
VAR_INDEX
)
(2)
F1
[10.5/242] F-test value, target-comparison star #1
(Note 1)
(
stat.fit.param
)
(
STAT_PARAM
)
(2)
F2
[7.4/245] F-test value, target-comparison star #2
(Note 1)
(
stat.fit.param
)
(
STAT_PARAM
)
(2)
F99
[1.5/4063] Critical F value for the corresponding N at 99% level
(
stat.fit.param
)
(
STAT_PARAM
)
(2)
F99.9
[1.7/20000] Critical F value for the corresponding N at 99.9% level
(
stat.fit.param
)
(
STAT_PARAM
)
(2)
Amp
%
[2.9/43.7] Variability amplitude
(
src.var.amplitude
)
(
VAR_AMPLITUDE_VALUE
)
(2)
Time
min
[2/285] Corresponding time scale
(
time.scale
)
(
TIME_SCALE
)
(2)
Var
(char)
Variability type
(Note 2)
(
meta.note
)
(
VAR_CLASS
)
ALL
cols
(i)
indexed column
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