VizieR

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VizieR

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The 7 columns in color are computed by VizieR, and are not part of the original data.

Note: USNO-A2.0 contains 526,280,881 sources, and is based on a re-reduction of the Precision Measuring Machine (PMM) scans from POSS-I O and E plates (>=-18°) and SRC-J and ESO-R plates (<=-20°). USNO-A2.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory.
The major difference between USNO-A2.0 and its previous version USNO-A1.0 is that A1.0 used the Guide Star Catalog as its reference frame whereas A2.0 uses the ICRF as realized by the USNO ACT catalog (Urban et al. 1997). The VizieR search engine uses an on-line compressed version (3.6Gbytes) which was generated at CDS.

I/252/out The USNO-A2.0 Catalogue (Monet+ 1998)

The Full Catalogue (526280881 rows) (Note)
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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
USNO-A2.0

RAJ2000
deg
DEJ2000
deg
ACTflag

Mflag

Bmag
mag
Rmag
mag
Epoch
yr
1 0.19613 07 41.50944-47 27 23.432413 04 47.08992-47 11 22.7270305.77952235+15.325350940375-17418401196.922956-47.456509    14.112.91978.896
2 9.53513 07 40.57200-47 27 22.150813 04 46.15747-47 11 21.4260305.77681391+15.325878790375-17417788196.919050-47.456153    16.014.31978.896

Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars. The version 1.2 is a new astrometric reduction which results in absolute position errors about 0.3-0.4 arcsec. (see GSC pages at URL http://www-gsss.stsci.edu/gsc/gsc.html)

I/254/out The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996)
The Full Catalogue (25241730 positions) (25241730 rows)
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_r
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_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
1 0.5313 07 41.5488-47 27 23.40013 04 47.1291-47 11 22.695305.7796377+15.32535270825103090196.92312-47.45650 0.314.13 0.40 0005XT1985.358

Note: The construction of the GSC-II is still in progress: this version has no proper motions, and the magnitude limits are 18.5 in F (red) and 19.5 in J (blue). The data are copyrighted, check the data use Policy.

I/271/out The GSC 2.2 Catalogue (STScI, 2001)

The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 rows)
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_r
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_RAJ2000
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_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
GSC2.2

RA(ICRS)
deg
DE(ICRS)
deg
Epoch
yr
Rmag
mag
e_
mag
Bjmag
mag
e_
mag
Class

a
pix
e

1 0.61813 07 41.55648-47 27 23.353213 04 47.13674-47 11 22.6488305.77966096+15.32536422S2320132700196.923152-47.4564871992.11513.62 0.4114.43 0.400 5.83 0.22

Note: The USNO-B Catalog presents positions, proper motions, magnitudes un blue, red and infrared, as well as star/galaxy estimators for 1,045,175,762 objects derived from 3,648,832,040 separate observations. The data were taken from scans of 7,435 Schmidt plates taken from various sky surveys during the last 50 years.
USNO-B1.0 catalog was created by Dave Monet and collaborators at http://www.nofs.navy.mil/data/fchpix/
Note that the star/galaxy estimators may be mixed up in dense regions.

I/284/out The USNO-B1.0 Catalog (Monet+ 2003)
The Whole-Sky USNO-B1.0 Catalog of 1,045,913,669 sources (1045175762 rows)
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_r
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_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
USNO-B1.0

RAJ2000
deg
DEJ2000
deg
e_RAJ2000
mas
e_DEJ2000
mas
Epoch
yr
pmRA
mas/yr
pmDE
mas/yr
Ndet

B1mag
mag
R1mag
mag
B2mag
mag
R2mag
mag
Imag
mag
1 0.46013 07 41.51208-47 27 23.162413 04 47.09563-47 11 22.2493305.77953514+15.325425290425-0401042196.922967-47.456434140 631985.2 0 04  13.8814.6813.6113.05
2 9.18813 07 40.61808-47 27 21.553213 04 46.05915-47 11 21.4185305.77695947+15.326035960425-0401031196.919242-47.455987125 511983.5 30 164  15.2216.3514.9314.29

Note: More recent versions available: UCAC3 (I/315) and UCAC4 (I/322); see also the UCAC home page at http://ad.usno.navy.mil/ucac/

I/289/out UCAC2 Catalogue (Zacharias+ 2004)
The Second U.S. Naval Observatory CCD Astrograph Catalog (48330571 rows)
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"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
2UCAC

RAJ2000
deg
e_
mas
DEJ2000
deg
e_
mas
UCmag
mag
No

Nc

pmRA
mas/yr
pmDE
mas/yr
2Mkey

Jmag
mag
Kmag
mag
1 0.04213 07 41.503488-47 27 23.6430013 04 47.180290-47 11 22.16166305.779501039+15.32529365811544838196.9229312 70-47.4565675 5615.17 2 2 -19.0 -11.4120205680113.87213.423

Note: The Naval Observatory Merged Astrometric Dataset (NOMAD) contains astrometric and photometric data for over 1 billion stars derived from the Hipparcos (I/239), Tycho-2 (I/259), UCAC2 (I/289), and USNO-B1.0 (I/284) catalogs for astrometry and optical photometry, supplemented by 2MASS (II/246) near-infrared photometry.
An efficient remote query program findnomad1 is available in the cdsclient package, for Unix/Linux platforms

I/297/out NOMAD Catalog (Zacharias+ 2005)
The NOMAD-1 Catalog (1117612732 rows)
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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
NOMAD1

YM

RAJ2000
deg
DEJ2000
deg
r

pmRA
mas/yr
e_
(...)
pmDE
mas/yr
e_
(...)
Bmag
mag
r_

Vmag
mag
r_

Rmag
mag
r_

Jmag
mag
Hmag
mag
Kmag
mag
R

1 0.04213 07 41.503464-47 27 23.6430013 04 47.179776-47 11 22.16165305.779500969+15.3252936630425-0411116YM196.9229311-47.4565675C -18.9 5.9 -11.4 5.614.620Y14.020Y13.610B13.87213.57013.423R

Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, Bj<19.5) were removed.

I/305/out The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)
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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
GSC2.3

RAJ2000
deg
DEJ2000
deg
Epoch
yr
Fmag
mag
jmag
mag
Vmag
mag
Nmag
mag
Class

a
pix
e

1 0.62113 07 41.55648-47 27 23.346013 04 47.13674-47 11 22.6416305.77966110+15.32536622S93Y000700196.923152-47.4564851992.11513.6214.43  13.370 5.83 0.22

Note: The limiting magnitude is about 15.2 in the GSC photometric system.

I/312/sample PPMX Catalog of positions and proper motions (Roeser+ 2008)
The PPMX Catalog (Position and Proper Motions eXtended) (18088919 rows)
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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
PPMX

RAJ2000
deg
DEJ2000
deg
pmRA
mas/yr
pmDE
mas/yr
Cmag
mag
Rmag
mag
Jmag
mag
Hmag
mag
Kmag
mag
Nobs