Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aj....115.2345p&link_type=abstract
The Astronomical Journal, Volume 115, Issue 6, pp. 2345-2355.
Astronomy and Astrophysics
Astronomy
13
Galaxies: Clusters: Individual: Name: Fornax, Galaxies: Individual: Alphanumeric: Fcc 35, Galaxies: Interactions, Galaxies: Starburst, Galaxies: Intergalactic Medium, Ism: Clouds
Scientific paper
The Fornax Cluster galaxy FCC 35 shows an unusual multiply peaked integrated H i profile. We have now observed FCC 35 with the Australia Telescope Compact Array and have found a compact H i source with M_HI = 2.2 x 10^8 M_&sun; and a spatially overlapping complex of H i gas with the same mass. By combining optical observations with the H i data, we are able to identify FCC 35 as a young compact source of star formation with a nearby intergalactic H i cloud that is devoid of stars. We classify FCC 35 as a blue compact dwarf or H ii galaxy, having large amounts of neutral hydrogen, very blue colors (U - V = 0.1), and a low-metallicity spectrum with strong narrow emission lines. Together with the presence of the H i cloud, this suggests that FCC 35 is the result of a recent interaction within the Fornax Cluster.
Bureau Martin
Freeman Ken C.
Mould Jeremy R.
Putman Mary E.
Staveley--Smith Lister
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