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23 papers · 2 filters
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…
Cygnus X-3 in outburst : quenched radio emission, radiation losses and variable local opacity
R. P. Fender, S. J. Bell Burnell, E. B. Waltman +3
We present multiwavelength observations of Cygnus X-3 during an extended outburst in 1994 February - March. Intensive radio monitoring at 13.3, 3.6 & 2.0 cm is complemented by obse…
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…
The Molecular Interstellar Medium in Ultraluminous Infrared Galaxies
P. M. Solomon, D. Downes, S. J. E. Radford +1
We present CO observations of a large sample of ultraluminous IR galaxies out to z = 0.3. Most of the galaxies are interacting, but not completed mergers. All but one have high CO(…