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Start Over Resource Type Archive Validation Level 2
471. UKIRT Archive
ID:
ivo://cadc.nrc.ca/UKIRT
Title:
UKIRT Archive
Short Name:
UKIRT Archive
Date:
15 Jun 2019 21:15:07
Publisher:
Canadian Astronomy Data Centre
Description:
472. UKIRT Infrared Deep Survey J-band
ID:
ivo://nasa.heasarc/skyview/ukidss
Title:
UKIRT Infrared Deep Survey J-band
Short Name:
UKIDSS
Date:
18 Apr 2025
Publisher:
NASA/GSFC HEASARC
Description:
The UKIDSS survey is the next generation infrared survey, a successor to 2MASS. It will ultimately cover 7000 square degrees in the northern sky at both high and low Galactic latitudes and goes about three magnitudes deeper than 2MASS in the coverage area. Most data is taken in the J, H and K bands. A Y band is available in some regions. <p> UKIDSS is comprised of several distinct surveys in different regions of the sky. Of primary interest to <i>SkyView</i> users (since they have the largest sky coverage) are the Large Area Survey, the Galactic Plane Survey, and the Galactic Clusters Survey. There are deep and ultadeep surveys which cover much smaller fractions of the sky. The planned coverage for the UKIDSS surveys may be seen at the <a href="http://wsa.roe.ac.uk/theSurveys.html"> UKIDSS survey page</a>. All UKIDSS data products are published by the Wide-Field Astronomy Unit (WFAU) at the University of Edinburgh through the <a href="http://wsa.roe.ac.uk/">WFCAM Science Archive (WSA)</a> which includes more detailed coverage information for each data release. <p> <i>SkyView</i> currently uses the DR11 data release. Many thanks to the WSA team at WFAU for providing an interface to make all the latest data easily accessed. Note that coverage is not uniform across the different bands so that at a given point there might be H and K band data, but nothing in the J band. Provenance: UKIDSS Project. This is a service of NASA HEASARC.
473. Ultraviolet Imaging Telescope
ID:
ivo://archive.stsci.edu/uit
Title:
Ultraviolet Imaging Telescope
Short Name:
UIT
Date:
22 Jul 2020 21:32:30
Publisher:
Space Telescope Science Institute Archive
Description:
The Ultraviolet Imaging Telescope UIT was one of three ultraviolet telescopes on the ASTRO-1 mission flown on the space shuttle Columbia during 2-10 December 1990. The same three instruments were later flown on the space shuttle Endeavour from 3-17 March 1995, as part of the ASTRO-2 mission. Exposures were obtained on 70-mm photographic film in the 1200-3300 Å range using broadband filters and later digitized using a Perkin-Elmer microdensitometer. Image resolution was 3" over a 40' field of view. Overall, UIT-1 obtained 821 exposures of 66 targets, and UIT-2 obtained 758 images of 193 targets.
474. Ultraviolet Imaging Telescope Master Catalog
ID:
ivo://nasa.heasarc/uitmaster
Title:
Ultraviolet Imaging Telescope Master Catalog
Short Name:
UITMASTER
Date:
18 Apr 2025
Publisher:
NASA/GSFC HEASARC
Description:
The Ultraviolet Imaging Telescope (UIT) was one of three ultraviolet telescopes on the ASTRO-1 mission flown on the Space Shuttle Columbia during the period of 2 - 10 December 1990. The same three instruments were later flown on the Space Shuttle Endeavour during 3 - 17 March 1995, as part of the ASTRO-2 mission. Exposures were obtained on 70-mm photographic film in the 1200-3300 Angstrom range using broadband filters and later digitized using a Perkin-Elmer microdensitometer. The image resolution was 3 arcseconds over a 40 arcminute field of view and images of targets as faint as 21st (ultraviolet) magnitude were recorded. Overall, the UIT-1 mission obtained 821 exposures of 66 targets (361 near-UV and 460 far-UV), and UIT-2 obtained 758 images of 193 targets (all far-UV), for a total of 1579 exposures. This table contains only 1481 rows, 777 UIT-1 exposures (347 near-UV and 430 far-UV) and 704 UIT-2 exposures (all far-UV), implying that 98 exposures are &#39;missing&#39; from this table. This table was created by the HEASARC in April 2012 based on &lt;a href="https://cdsarc.cds.unistra.fr/ftp/cats/VI/104"&gt;CDS Catalog VI/104&lt;/a&gt; file uitlist.dat. This is a service provided by NASA HEASARC .
475. Ultraviolet Imaging Telescope (UIT)
ID:
ivo://mast.stsci/siap/uit
Title:
Ultraviolet Imaging Telescope (UIT)
Short Name:
UIT
Date:
23 Jul 2020 19:44:25
Publisher:
Space Telescope Science Institute Archive
Description:
The Ultraviolet Imaging Telescope UIT was one of three ultraviolet telescopes on the ASTRO-1 mission flown on the space shuttle Columbia during 2-10 December 1990. The same three instruments were later flown on the space shuttle Endeavour from 3-17 March 1995, as part of the ASTRO-2 mission. Exposures were obtained on 70-mm photographic film in the 1200-3300 Å range using broadband filters and later digitized using a Perkin-Elmer microdensitometer. Image resolution was 3" over a 40' field of view. Overall, UIT-1 obtained 821 exposures of 66 targets, and UIT-2 obtained 758 images of 193 targets.
477. United States Naval Observatory, Flagstaff Station
ID:
ivo://fs.usno/org
Title:
United States Naval Observatory, Flagstaff Station
Short Name:
USNOFS
Date:
11 Apr 2007 08:52:38
Publisher:
US Naval Observatory
Description:
The USNO Flagstaff Station Image and Catalogue archive provides access to digitized images of the major Schmidt photographic surveys of the sky (POSS-I, POSS-II, SERC-J, SERC-R, SERC-EJ, SERC-ER, AAO-R etc.) and to astrometric catalogues derived from these data, including USNO-A2, USNO-B1 and NOMAD. The site provides catalogue data, finding charts, image data and a merge of the three.
478. United States Naval Observatory, Flagstaff Station Naming Authority
ID:
ivo://fs.usno
Title:
United States Naval Observatory, Flagstaff Station Naming Authority
Short Name:
USNOFS auth
Date:
11 Apr 2007 08:52:38
Publisher:
US Naval Observatory
Description:
The USNO Flagstaff Station Image and Catalogue archive provides access to digitized images of the major Schmidt photographic surveys of the sky (POSS-I, POSS-II, SERC-J, SERC-R, SERC-EJ, SERC-ER, AAO-R etc.) and to astrometric catalogues derived from these data, including USNO-A2, USNO-B1 and NOMAD. The site provides catalogue data, finding charts, image data and a merge of the three.
479. US Naval Observatory B
ID:
ivo://sdss.jhu/openskynode/usnob
Title:
US Naval Observatory B
Short Name:
USNOB
Date:
05 Dec 2018 20:07:20
Publisher:
US Naval Observatory
Description:
The USNO-B1.0 Catalogue presents positions, proper motions, magnitudes in various optical passbands, and 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. The catalogue is expected to be complete down to V=21; the estimated accuracies are 0.2arcsec for the positions at J2000, 0.3mag in up to 5 colors, and 85% accuracy for distinguishing stars from non-stellar objects
480. USNO-A V2.0, A Catalog of Astrometric Standards
ID:
ivo://astronet.ru/cas/usnoa2
Title:
USNO-A V2.0, A Catalog of Astrometric Standards
Short Name:
usnoa2
Date:
17 Jun 2006 18:44:05
Publisher:
Sternberg Astronomical Institute Virtual Observatory Project
Description:
USNO-A2.0 is a catalog of 526,280,881 stars, and is based on a re-reduction of the Precision Measuring Machine (PMM) scans that were the basis for the USNO-A1.0 catalog. The major difference between A2.0 and A1.0 is that A1.0 used the Guide Star Catalog (Lasker et al. 1986, as its reference frame whereas A2.0 uses the ICRF as realized by the USNO ACT catalog (Urban et al. 1997).

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