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 0.20120 11 26.87808-15 57 32.310020 08 36.89880-16 06 30.8795026.94567173-24.712778010675-35025173302.861992-15.958975    15.114.21953.619

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 0.0020 11 26.8656-15 57 32.40020 08 36.8863-16 06 30.969026.9456249-24.71274170631501402302.86194-15.95900 0.414.96 0.40 00006M1979.481
2 0.4220 11 26.8944-15 57 32.36420 08 36.9151-16 06 30.935026.9456846-24.71284410631501402302.86206-15.95899 0.314.25 0.40 0000S91982.708

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 0.1320 11 26.8728-15 57 32.47220 08 36.8935-16 06 31.041026.9456170-24.71277610631501402302.86197-15.95902 0.314.28 0.41 001982.708
2 0.1620 11 26.8752-15 57 32.47220 08 36.8959-16 06 31.041026.9456212-24.71278500631501402302.86198-15.95902 0.414.99 0.40 001979.481

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)
ReadMe+ftp

The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 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
GSC2.2
RA(ICRS)
deg
DE(ICRS)
deg
Epoch
yr
Rmag
mag
e_
mag
Bjmag
mag
e_
mag
Class
a
pix
e
1 0.09720 11 26.86056-15 57 32.335220 08 36.88126-16 06 30.9036026.94563446-24.71271613S3022121649302.861919-15.9589821987.71014.22 0.4014.47 0.400 4.30 0.12
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/VR2951952.err (2024-05-18T05:35:47)
-4
-c=20 11 26.8656 -15 57 32.400
-c.rs=10
-out.add=.
-sort=_r
-out.form=H
-out.max=10
-ref=VIZ66483e332d0b10

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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