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VizieR

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The 3 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)
img(gal)

start AladinLite
Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
USNO-A2.0

RAJ2000
deg
DEJ2000
deg
ACTflag

Mflag

Bmag
mag
Rmag
mag
Epoch
yr
1 8.53102 22 40.82544+28 15 25.17121125-00760480035.670106+28.256992  *15.9 8.71954.758

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)
img(gal)

start AladinLite
Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
1 9.4602 22 40.8960+28 15 24.6960177800226035.67040+28.25686 0.213.03 0.40 1301H71982.795

Note: The current version includes only the North (POSS-I plates)

I/267/out The APM-North Catalogue (McMahon+, 2000)

The Full Northern APM Catalogue (166466987 rows)
img(gal)

start AladinLite
Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
APM-ID

RAJ2000
deg
DEJ2000
deg
rmag
mag
l_

rClass

rStel

rDiam
arcsec
rEll

bmag
mag
l_

bClass

bStel

bDiam
arcsec
b-r
mag
Mflag

1 8.76202 22 40.82952+28 15 26.6724EO1248-0357564035.670123+28.257409 5.18   0 -3.48 85.5 0.27 9.32   1 9.52 79.2 4.14  
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/VR40704.err (2018-09-20T01:13:46)
-4
-out.add=_r
-out.add=_RAJ,_DEJ
-sort=_r
-out.max=20
-c=35.667417 28.256917
-c.rs=10
-ref=VIZ5ba2f44a9f00

Detailed errors:


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