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J/ApJ/461/127
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J/ApJ/461/127
..twosigma
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Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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J2000
B1975
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B1900
B1875
B1855
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Ecl.J2000
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deg
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arcsec
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J/ApJ/461/127
26589
The Einstein Two-Sigma Catalog (Moran+ 1996)
ReadMe+ftp
1996ApJ...461..127M
Similar Catalogs
Post annotation
1.
J/ApJ/461/127/twosigma
The 2-sigma catalog
(46186 rows)
meta
J/ApJ/461/127/twosigma
Simple Constraint
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Constraints
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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
)
RA1950
"h:m:s"
(i)
RA (1950) of the source
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DE1950
"d:m:s"
(i)
Dec (1950) of the source
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
S/N
Signal-to-noise ratio of the source
(Note)
(
stat.snr
)
(
INST_S/N
)
IPCSEQ
IPC Sequence number containing the source
(
meta.id;meta.main
)
(
ID_MAIN
)
cnts125
arcmin-2
Number of background-subtracted counts collected within a 1.25 arcmin radius circular aperture
(Note)
(
instr.background
)
(
INST_BACKGROUND
)
cnts20
arcmin-2
Number of background-subtracted counts collected within a 2.0 arcmin radius circular aperture
(Note)
(
instr.background
)
(
INST_BACKGROUND
)
exp125
s
flatfield-weighted exposure time for the source in the 1.25 arcmin radius aperture
(Note)
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
exp20
s
flatfield-weighted exposure time for the source in the 2.0 arcmin radius aperture
(Note)
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
N125
Number of "good" pixels used for count in the 1.25 arcmin radius aperture
(Note)
(
meta.number
)
(
NUMBER
)
N20
Number of "good" pixels used for count in the 2.0 arcmin radius aperture
(Note)
(
meta.number
)
(
NUMBER
)
Nbg
Number of "good" pixels used for the background count in the concentric 3-6 arcmin radius annulus
(Note)
(
meta.number
)
(
NUMBER
)
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(i)
indexed column
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