VizieR

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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.
Full
_r
arcsec
 _RAJ2000
"h:m:s"
 _DEJ2000
"d:m:s"
TICID1
TICID2
RAJ2000
"h:m:s"
DEJ2000
"d:m:s"
ePos
10mas
e_
mag
Bmag
mag
e_
mag
Vmag
mag
Flag1
1 4.56504 51 27.61667-16 57 38.69005903 1604 51 27.617-16 57 38.69 42 0.0112.40   0.000
%0a%0a
Full
_r
arcsec
 _RAJ2000
"h:m:s"
 _DEJ2000
"d:m:s"
Name
RAB1950
"h:m:s"
DEB1950
"d:m:s"
bmag
mag
Nfields
Flag1
Flag2
Flag3
_RA.icrs
"h:m:s"
_DE.icrs
"d:m:s"
1 4.27004 51 27.63438-16 57 38.5269-17.017304 49 13.390-17 02 38.5616.42100004 51 27.634-16 57 38.53
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%25
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.

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dec 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 4.15704 51 27.62880-16 57 37.78200675-01744759072.865120-16.960495    12.310.81955.068
2 5.71204 51 27.81000-16 57 42.59160675-01744783072.865875-16.961831    17.516.21955.068
327.16104 51 26.84472-16 57 59.49000675-01744656072.861853-16.966525    18.316.51955.068
429.87204 51 26.08944-16 57 22.70160675-01744561072.858706-16.956306    13.213.41955.068

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)

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 4.3704 51 27.6312-16 57 38.7000590300016072.86513-16.96075 0.412.30 0.40 03029V1980.045
2 4.4404 51 27.6144-16 57 38.1600590300016072.86506-16.96060 0.513.00 0.40 0302NI1983.849
3 4.6804 51 27.6024-16 57 38.4480590300016072.86501-16.96068 0.513.67 0.40 0303Y91984.906
429.4804 51 26.0928-16 57 23.4360590300026072.85872-16.95651 0.413.84 0.40 0003Y91984.906
529.5104 51 26.0904-16 57 23.4360590300026072.85871-16.95651 0.413.84 0.40 00029V1980.045
629.7204 51 26.0808-16 57 23.2560590300026072.85867-16.95646 0.413.96 0.40 0002NI1983.849
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eGSC-ACT%20%3cEM%3e%28or%20%3cB%3eGSC1.3%29%0ais%20a%20recalibration%20of%20the%20%3cB%3e<%25E%20I/220%7cGSC1.1>,%20the%20catalogue%20constructed%20%0ato%20support%20the%20operational%20need%20of%20the%20Hubble%20Space%20Telescope,%0awith%20the%20%3cB%3e<%25E%20I/246%7cACT>,%20the%20combination%20of%20the%20Astrographic%20Catalogue%0aand%20the%20%3cB%3e%3cEM%3eTycho%20catalogue%20derived%20from%20the%20%3cEM%3e<%25E%20I/239%7cHipparcos>%0amission;%20see%20http://www.projectpluto.com/gsc_act.htm%20for%20more%20details%0aabout%20this%20recalibration.%0a%3cP%3e%0a
Full
_r
arcsec
 _RAJ2000
"h:m:s"
 _DEJ2000
"d:m:s"
GSC
RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_
Class
Epoch
yr
1 3.9904 51 27.6432-16 57 37.9440590300016072.86518-16.96054 0.513.03 0.40 031983.849

[****ClosingBrace(s)Inserted****]

">
%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%203.99&%3cFONT%20COLOR=%27#CD5B45%27>04%2051%2027.6432&%3cFONT%20COLOR=%27#CD5B45%27>-16%2057%2037.944&0590300016&072.86518&-16.96054&%200.5&13.03&%200.40&%200&3&1983.849%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ6643292d2e06f3&-out.add=.&-source=I/255/out&GSC=0590300016' class='full'2

 4.3404 51 27.6312-16 57 38.5920590300016072.86513-16.96072 0.412.31 0.41 031980.045
3 4.5704 51 27.6048-16 57 38.1600590300016072.86502-16.96060 0.513.67 0.40 031984.906
429.4304 51 26.1120-16 57 23.0400590300026072.85880-16.95640 0.413.97 0.40 001983.849
529.5604 51 26.0880-16 57 23.4000590300026072.85870-16.95650 0.413.86 0.41 001980.045
629.6004 51 26.0952-16 57 23.1120590300026072.85873-16.95642 0.413.84 0.40 001984.906
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20construction%20of%20the%20%0a%3cB%3eGSC-II%20%0ais%20still%20in%20progress:%20this%0aversion%20has%20no%20proper%20motions,%20and%20the%20magnitude%20limits%20are%2018.5%20in%20F%20%28red%29%0aand%2019.5%20in%20J%20%28blue%29.%20The%20data%20are%20%3cB%3e%3cFONT%20COLOR=%27#0000CD%27>copyrighted,%20check%20%0athe%20%3cB%3edata%20use%20Policy.%0a%3cP%3e%0a
Full
_r
arcsec
 _RAJ2000
"h:m:s"
 _DEJ2000
"d:m:s"
GSC2.2
RA(ICRS)
deg
DE(ICRS)
deg
Epoch
yr
Rmag
mag
e_
mag
Bjmag
mag
e_
mag
Class
a
pix
e
1 4.26604 51 27.63120-16 57 38.3796S023330161072.865130-16.9606611990.89611.76 0.4212.31 0.303 11.33 0.38
228.06204 51 26.84352-16 58 00.5628S02333011677072.861848-16.9668231990.89616.60 0.4218.48 0.310 3.28 0.12
329.40604 51 26.10384-16 57 23.2992S023330160072.858766-16.9564721990.89613.05 0.4213.80 0.300 6.12 0.05
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eUSNO-B%20Catalog%20presents%20positions,%20proper%20motions,%20%0amagnitudes%20un%20blue,%20red%20and%20infrared,%20as%20well%20as%20star/galaxy%20estimators%0afor%201,045,175,762%20objects%20derived%20from%203,648,832,040%20separate%20observations.%0aThe%20data%20were%20taken%20from%20scans%20of%207,435%20Schmidt%20plates%0ataken%20from%20various%20sky%20surveys%20during%20the%20last%2050%20years.%3cBR%3e%0aUSNO-B1.0%20catalog%20was%20created%20by%20Dave%20Monet%20and%20collaborators%0aat%20http://www.nofs.navy.mil/data/fchpix/%20%3cBR%3e%0a%3cB%3e%3cFONT%20COLOR=%27#EE0000%27>%20Note%20that%20the%20star/galaxy%20estimators%20may%20be%20mixed%20up%0a%20in%20dense%20regions.%0a%3cP%3e%0a