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UIT Astro-2 Observations of NGC 4449
Robert S. Hill, Michael N. Fanelli, Denise A. Smith +2
The bright Magellanic irregular galaxy NGC 4449 was observed by the Ultraviolet Imaging Telescope (UIT) during the Astro-2 Spacelab mission in March, 1995. Far ultraviolet (FUV) im…
Ultraviolet Signatures of Tidal Interaction in the Giant Spiral Galaxy, M101
William H. Waller, Ralph C. Bohlin, Robert H. Cornett +10
We present new evidence for tidal interactions having occurred in the disk of M101 in the last 10^8 - 10^9 years. Recent imaging of the far-ultraviolet emission from M101 by the Sh…
Ultraviolet Imaging Telescope (UIT) Observations of the Small Magellanic Cloud
Robert H. Cornett, Michael R. Greason, Jesse K. Hill +9
A mosaic of four UIT far-UV (FUV; 1620A) images, which covers most of the SMC bar, is presented, with derived stellar and HII region photometry. The UV morphology of the Bar shows…
Ultraviolet Imaging Observations of the cD Galaxy in Abell 1795: Further Evidence for Massive Star Formation in a Cooling Flow
Eric P. Smith, R. C. Bohlin, G. D. Bothun +5
We present images from the Ultraviolet Imaging Telescope of the Abell 1795 cluster of galaxies. We compare the cD galaxy morphology and photometry of these data with those from exi…
Ultraviolet Imaging Telescope Observations of OB Stars in the N 11 Region of the LMC
J. Wm. Parker, J. K. Hill, R. C. Bohlin +5
We present an analysis of far-ultraviolet (FUV: 130-180 nm) and optical (U, B, and V) data of the stellar and nebular content of the OB associations LH 9, 10, and 13 in the Large M…
Ultraviolet Imagery of NGC 6752: A Test of Extreme Horizontal Branch Models
W. B. Landsman, A. V. Sweigart, R. C. Bohlin +5
We present a 1620 A image of the nearby globular cluster NGC 6752 obtained with the Ultraviolet Imaging Telescope (UIT) during the Astro-2 mission of the Space Shuttle Endeavour in…
UV Colors and Extinctions of HII Regions in the Whirlpool Galaxy (M51)
J. K. Hill, W. H. Waller, R. H. Cornett +9
Far-UV (1520 ang.), U, H-alpha, and R images of the interacting Sbc spiral galaxy M51 were obtained by the Ultraviolet Imaging Telescope (UIT) and at Mt. Laguna Observatory. The mu…