NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-11-17 T12:08:19 PST
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For refcode 1995AJ....109.2362R:
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Copyright by American Astronomical Society. Reproduced by permission
1995AJ....109.2362R A MULTIWAVELENGTH INVESTIGATION OF THE MERGING GALAXY HCG 95C M. RODRIGUE Department of Physics, University of Nevada, Reno, Nevada 89557 Electronic mail: melodi@physics.unr.edu A. SCHULTZ CSC/STScI, 3700 San Martin Dr., Baltimore, Maryland 21206 Electronic mail: schultz@scivax.stsci.edu J. THOMPSON AND T. COLEGROVE Department of Physics, University of Nevada, Reno, Nevada 89557 Electronic mail: thompson@physics.unr.edu,todd@physics.unr.edu L. D. SPIGHT Department of Physics, University of Nevada-Las Vegas 89154 Electronic mail: spight@nevada.edu M. DISANTI LEP, NASA/GSFC, Greenbelt, Maryland 20771 Electronic mail: ysmads@lepvax.gsfc.nasa.gov U. FINK AND W. GRUNDY Lunar & Planetary laboratory, University of Arizona, Tucson, Arizona 85721 Electronic mail: uwefinlt@lpl.arizona.edu,wgrundy@lpl.arizona.edu K. FRICKE AND P. PAPADEROS Universitats-Sternwarte Gottingen, Germany ABSTRACT The compact group HCG 95 consists of four galaxies in which two of the members, HCG 95a and HCG 95c, are interacting. The morphology suggests the interaction is well evolved with the Northern tidal arm of HCG 95c overlapping the Eastern edge of HCG 95a. A linear bridge connecting the two galaxies hints at nuclear activity within HCG 95c. Our color indices indicate an older stellar population for both HCG 95a and HCG 95c, with the exception of the Northern tidal arm of HCG 95c. Long slit spectra of HCG 95a exhibits red-shifted H-alpha +[N II] and [S II] emission lines indicative of a LINER-type AGN. Spatial profiles indicate non-nuclear starburst activity triggered by tidal forces, while the nuclear spectrum indicates nonthermal activity. IUE observations of HCG 95c exhibit a featureless continuum with a transient outburst captured in one IUE observation which shows characteristic galactic emissions of red-shifted N V (1240A) and C IV (1550 A). These results suggest that HCG 95c is in an early stage of merging with HCG 95a.
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