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J/ApJ/537/101
2222
Optical Study for blazars. I. (Fan+, 2000)
ReadMe+ftp
2000ApJ...537..101F
Similar Catalogs
timeSerie
Post annotation
1.
J/ApJ/537/101/table2
Optical observations of 29 radio-selected BL Lacertae objects
(5961 rows)
meta
J/ApJ/537/101/table2
Simple Constraint
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Name
(char)
Object name
(
meta.id;meta.main
)
(
ID_MAIN
)
HJD
d
Julian date of observation
(
time.epoch
)
(
TIME_DATE
)
Umag
mag
(n)
U band magnitude
(
phot.mag;em.opt.U
)
(
PHOT_JHN_U
)
e_Umag
mag
(n)
Error in Umag
(
stat.error;phot.mag;em.opt.U
)
(
ERROR
)
Bmag
mag
(n)
B band magnitude
(
phot.mag;em.opt.B
)
(
PHOT_JHN_B
)
e_Bmag
mag
(n)
Error in Bmag
(
stat.error;phot.mag;em.opt.B
)
(
ERROR
)
Vmag
mag
(n)
V band magnitude
(
phot.mag;em.opt.V
)
(
PHOT_JHN_V
)
e_Vmag
mag
(n)
Error in Vmag
(
stat.error;phot.mag;em.opt.V
)
(
ERROR
)
Rmag
mag
(n)
R band magnitude
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
e_Rmag
mag
(n)
Error in Rmag
(
stat.error;phot.mag;em.opt.R
)
(
ERROR
)
Imag
mag
(n)
I band magnitude
(
phot.mag;em.opt.I
)
(
PHOT_MAG_I
)
e_Imag
mag
(n)
Error in Imag
(
stat.error;phot.mag;em.opt.I
)
(
ERROR
)
r_Name
(char)
References for the observations (in refs.dat file)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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