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)
ReadMe+ftp

The Full Catalogue (526280881 rows) (Note)		img(gal)

start AladinLite
Full
_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 2.32920 12 42.82344+19 59 23.132420 10 29.35316+19 50 18.8632060.13854218-07.732414951050-16843090303.178431+19.989759    11.810.91951.719

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)
ReadMe+ftp
2001AJ....121.1752M

The Full Catalogue (25241730 positions) (25241730 rows)		img(gal)

start AladinLite
Full
_r
arcsec
 _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 2.0720 12 42.8184+19 59 22.34420 10 29.3479+19 50 18.075060.1383453-07.73251640162600429303.17841+19.98954 0.212.90 0.40 1302UQ1982.475

Note: The GSC-ACT (or GSC1.3) is a recalibration of the GSC1.1, the catalogue constructed to support the operational need of the Hubble Space Telescope, with the ACT, the combination of the Astrographic Catalogue and the Tycho catalogue derived from the Hipparcos mission; see http://www.projectpluto.com/gsc_act.htm for more details about this recalibration.

I/255/out The HST Guide Star Catalog, Version GSC-ACT (Lasker+ 1996-99)
ReadMe+ftp

The GSC-ACT Full Catalogue (25241730 positions) (25241730 rows)		img(gal)

start AladinLite
Full
_r
arcsec
 _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
Epoch
yr
1 2.3920 12 42.8400+19 59 22.52420 10 29.3695+19 50 18.254060.1384338-07.73256070162600429303.17850+19.98959 0.212.91 0.40 131982.475
Problematic Query

The following unexpected problem occured in VizieR:

Report:

If you can't find a solution, report to CDS and insert into your message the following details:

.errorfile=/tmp/VR786239.err (2024-06-01T22:39:15)
-4
-c=20 12 42.672 +19 59 22.20
-c.rs=10
-out.add=.
-out.form=H
-sort=_r
-ref=VIZ665ba313bff3f

Detailed errors:

The following problems were encountered in this VizieR run:
**** 
**** -- no connection
**** Report from: stdb_pg,     Status: STDB_ERR 
****Postgres connect error
**** 
**** -- no connection
**** Report from: stdb_pg_conn,     Status: STDB_ERR 
****Couldn't connect with server
**** 
**** -- no connection
**** Report from: stdb_pg,     Status: STDB_ERR 
****Postgres connect error
**** 
**** -- no connection
**** Report from: stdb_pg_conn,     Status: STDB_ERR 
****Couldn't connect with server
**** 
**** -- no connection
**** Report from: stdb_conn_dbms,     Status: STDB_ERR 
****No server is available for connection
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