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phase: 3
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I/243
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I/243
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Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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) or
Position
:
J2000
B1975
B1950
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B1855
Galactic
Supergal.
Ecl.J2000
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I/243
5568
The PMM USNO-A1.0 Catalogue (Monet 1997)
ReadMe+ftp
Similar Catalogs
This catalogue is obsoleted by
I/252
Post annotation
1.
I/243/out
The Full Catalogue
(Note)
(488006860 rows)
USNO-A1.0
contains 488,006,860 sources, and was compiled from the blue/red overlaps of the detection lists generated from scans of POSS-I
O
and
E
plates (>=-30°) and SRC-
J
and ESO-
R
plates (<=-35°). USNO-A1.0 was created by Dave Monet () and collaborators at
Flagstaff Station, U.S. Naval Observatory
; it is superseded by the new
PMM-USNO-A2.0
version.
The VizieR search engine uses an
on-line compressed version
(3.4Gbytes) which was generated at CDS.
Simple Constraint
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Column
Constraint
Explain
(
UCD
)
USNO-A1.0
(char)
(i)
Original designation in USNO-A1.0 catalogue
(Note)
(
meta.id;meta.main
)
(
ID_MAIN
)
RA(ICRS)
deg
(i)
Right ascension (ICRS) mean of blue/red plates
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DE(ICRS)
deg
(i)
Declination (ICRS) mean of blue/red plates
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
GSCflag
(char)
[G] 'G' when star belongs to GSC (Cat.
I/220
)
(
meta.note
)
(
NOTE
)
Mflag
(char)
[*] '*' magnitudes are probably wrong
(
meta.code
)
(
CODE_MISC
)
Bmag
mag
Magnitude from blue plate
(
phot.mag;em.opt.B
)
(
PHOT_MAG_B
)
Rmag
mag
Magnitude from red plate
(
phot.mag;em.opt.R
)
(
PHOT_PHG_R
)
Epoch
yr
(n)
Mean epoch of position
(Note)
(
time.epoch
)
(
TIME_EPOCH
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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