Computer Science – Databases
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..408...88m&link_type=abstract
The ultraviolet universe at low and high redshift. AIP Conference Proceedings, Volume 408, pp. 88-93 (1997).
Computer Science
Databases
3
Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc., Normal Galaxies, Extragalactic Objects And Systems, Ultraviolet
Scientific paper
During the Astro-1 Spacelab missions, the Ultraviolet Imaging Telescope (UIT) obtained spatially-resolved far (λ~1500 Å) and mid-UV (λ~2500 Å) imagery of ~25 nearby galaxies. The sample spans the Hubble sequence including ellipticals, disk systems and irregular galaxies. These images have a resolution of ~3'', a limiting surface brightness, μ1500~25 mags arcsec-2, and cover the full angular extent of each system, many of which have angular diameters exceeding 5'. The UIT data permit determination of both global FUV properties with improved photometric precision, and detailed investigation of galaxian morphology at intermediate (spiral arms, nuclear rings), and small (star-forming complexes) scales. We are constructing datasets which combine the UV imagery obtained by UIT with associated optical (UBVRI,Hα) and near-IR (JHK) images of comparable depth and spatial resolution obtained at ground-based telescopes. Our primary goal is to provide a morphological Atlas of Galaxies extending from the far-ultraviolet (λ~1500 Å) to near-infrared (λ~2.2μ) wavelengths. The Astro-1/UIT Atlas contains registered and flux-calibrated images at FUV, NUV, R and Hα bandpasses for galaxies which are spatially resolved, surface brightness profiles, and integrated magnitudes (or upper limits) for the entire sample.
Bohlin Ralph
Cheng Kwang-Peng
Collins Nicholas R.
Cornett Robert H.
Fanelli Michael N.
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