Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...334l...1m&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 334, Nov. 1, 1988, p. L1-L3. Research supported by the Smithsonia
Astronomy and Astrophysics
Astrophysics
28
Astronomical Photometry, Elliptical Galaxies, Galactic Clusters, X Ray Sources, Astronomical Spectroscopy, Halos, Interstellar Extinction, X Ray Spectra
Scientific paper
A photometric and spectroscopic study of the optical counterpart of the X-ray source 1E 1111.9-3754 has revealed a poor cluster of galaxies dominated by a very luminous giant elliptical. Three-color surface photometry of this galaxy shows that the elliptical body is surrounded by a large envelope with colors redder than the galaxy. The formation of this system in a high velocity dispersion poor cluster is briefly discussed.
Garilli Bianca
Gioia Isabella Maria
Maccacaro Tomasso
Maccagni Dario
Vettolani Giampaolo
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