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IX/8
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IX/8
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Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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) or
Position
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J2000
B1975
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Ecl.J2000
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IX/8
4638
Second Catalogue of X-ray Sources (Amnuel+ 1982)
ReadMe+ftp
1982Ap&SS..82....3A
Similar Catalogs
Post annotation
1.
IX/8/catalog
The Second Catalogue of X-ray Sources
(1613 rows)
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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
)
2XRS
(char)
Name (based on B1950 position)
(
meta.id;meta.main
)
(
ID_MAIN
)
RAB1950
"h:m:s"
(i)
Right Ascension B1950
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEB1950
"d:m:s"
(i)
Declination B1950
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
n_Pos
(char)
[O?RGS] note on position
(Note 1)
(
meta.note
)
(
NOTE
)
Xname
(char)
Alternative name from X-ray catalog
(
meta.id
)
(
ID_ALTERNATIVE
)
Box
deg2
(n)
Error box area
(
stat.error
)
(
ERROR
)
ObsDate
(char)
Date of measurement
(
time.epoch
)
(
TIME_DATE
)
Mission
(char)
Designation of the type or Mission
(Note 2)
(
meta.id;instr.obsty
)
(
OBSTY_ID
)
Elow
keV
(n)
Lower energy range
(
em.energy
)
(
PHYS_ENERGY_X
)
Eup
keV
(n)
Upper energy range
(
em.energy
)
(
PHYS_ENERGY_X
)
Int
uJy
(n)
Maximum intensity
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
Notes
(char)
Ratio of maximum to minimum intensity for variable sources, and additional notes
(
meta.note
)
(
NOTE
)
_RA.icrs
"h:m:s"
(n)
(i)
Right ascension (ICRS) (computed by VizieR, not part of the original data)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
_DE.icrs
"d:m:s"
(n)
(i)
Declination (ICRS) (computed by VizieR, not part of the original data)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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