Note: USNO-A1.0 contains 488,006,860 sources, and was compiled from the blue/red overlaps of the detection lists generated from scans of POSS-I O and E plates (>=-30°) and SRC-J and ESO-R plates (<=-35°). USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version. The VizieR search engine uses an on-line compressed version (3.4Gbytes) which was generated at CDS.
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.
[****ClosingBrace(s)Inserted****]
Note: The current version includes only the North (POSS-I plates)
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.
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
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.
Note:
(original column names in green) (1692919135 rows)
(original column names in green) (1811709771 rows)
Note: SDSS is also available from http://www.sdss3.org/dr9/
Note: The recommended designation for the 7C sources is made from the full B1950 position with template 7C HHMMSS.s+DDMMSS
Note: The column FIRST provides a link to the FIRST cutout image server (see also the original FIRST search engine)
Note: on-line documentation at http://www.swift.ac.uk/2SXPS/docs.php
****vc_coo: abnormal Epoch value from column 'Epobs': 5.101860 (assume 1863.454415) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.874638 (assume 2145.711376) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.836490 (assume 2131.777922) ****vc_coo: abnormal Epoch value from column 'Epobs': 7.112513 (assume 2597.845536) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.223348 (assume 1907.827757) ****vc_coo: abnormal Epoch value from column 'Epobs': 7.015727 (assume 2562.494106) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.224920 (assume 1908.402109) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.443675 (assume 2353.552384) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.604469 (assume 2047.032322) ****vc_coo: abnormal Epoch value from column 'Epobs': 7.112311 (assume 2597.771524) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.230882 (assume 1910.579602) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.225403 (assume 1908.578270) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.405240 (assume 1974.263925) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.865854 (assume 2507.753136) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.229030 (assume 1909.903107) ****vc_coo: abnormal Epoch value from column 'Epobs': 4.694087 (assume 1714.515367) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.229512 (assume 1910.079266) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.702967 (assume 2448.258787) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.223550 (assume 1907.901767) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.921515 (assume 2528.083416) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.038899 (assume 1840.457722) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.232252 (assume 1911.079945) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.835120 (assume 2131.277580) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.874840 (assume 2145.785385) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.649562 (assume 2428.752605) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.366215 (assume 1960.010178) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.836287 (assume 2131.703914) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.231567 (assume 1910.829772) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.865372 (assume 2507.576972) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.671348 (assume 2071.459937) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.225605 (assume 1908.652278) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.366418 (assume 1960.084182) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.875323 (assume 2145.961549) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.227660 (assume 1909.402776) ****vc_coo: abnormal Epoch value from column 'Epobs': 4.694290 (assume 1714.589371) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.231769 (assume 1910.903781) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.230197 (assume 1910.329433) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.231084 (assume 1910.653610) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.875525 (assume 2146.035559) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.129158 (assume 2238.674870) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.129360 (assume 2238.748881) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.986162 (assume 2186.445689) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.544410 (assume 2390.345840) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.702485 (assume 2448.082634) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.393909 (assume 2335.375082) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.224235 (assume 1908.151939) ****vc_coo: abnormal Epoch value from column 'Epobs': 4.956114 (assume 1810.220731) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.101658 (assume 1863.380403) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.835602 (assume 2131.453744) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.512796 (assume 2013.548881) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.393706 (assume 2335.301078) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.224033 (assume 1908.077930) ****vc_coo: abnormal Epoch value from column 'Epobs': 7.156126 (assume 2613.775008) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.512594 (assume 2013.474879) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.075768 (assume 2219.174297) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.230400 (assume 1910.403441) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.224718 (assume 1908.328101) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.075971 (assume 2219.248310) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.703170 (assume 2448.332792) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.702282 (assume 2448.008630) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.226087 (assume 1908.828437) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.835805 (assume 2131.527753) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.921313 (assume 2528.009405) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.038696 (assume 1840.383710) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.228345 (assume 1909.652941) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.604266 (assume 2046.958320) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.649080 (assume 2428.576457) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.226975 (assume 1909.152611) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.226290 (assume 1908.902445) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.671551 (assume 2071.533941) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.544208 (assume 2390.271838) ****vc_coo: abnormal Epoch value from column 'Epobs': 7.156329 (assume 2613.849019) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.648877 (assume 2428.502453) ****vc_coo: abnormal Epoch value from column 'Epobs': 5.404758 (assume 1974.087776) ****vc_coo: abnormal Epoch value from column 'Epobs': 6.129360 (assume 2238.748881)
.errorfile=/tmp/VR508443.err (2026-04-10T11:37:48) -4 -out.add=_r -out.add=_RAJ,_DEJ -sort=_r -out.max=20 -c=215.626542 32.386231 -c.rs=10 -ref=VIZ69d8e10e7c21b