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Optical identifications of IRAS point sources - The Fornax, Hydra I and Coma clusters
Optical identifications are presented for 66 IRAS point sources in theregion of the Fornax cluster of galaxies, 106 IRAS point sources in theregion of the Hydra I cluster of galaxies (Abell 1060), and 59 IRASpoint sources in the region of the Coma cluster of galaxies (Abell1656). Eight other sources in Hydra I do not have optical counterpartsand are very probably due to IR cirrus. Twenty-three (35 percent) of theFornax sources are associated with stars and 43 (65 percent) withgalaxies; 48 (42 percent) of the Hydra I sources are associated withstars and 58 (51 percent) with galaxies; 18 (31 percent) of the Comasources are associated with stars and 41 (69 percent) with galaxies. Thestellar and infrared cirrus surface density is consistent with thegalactic latitude of each field.
| Broad-band photometry of selected southern ultraviolet-bright stars.
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Observation and Astrometry data
| Constellation: | Ύδρα |
| Right ascension: | 10h24m49.97s |
| Declination: | -24°58'19.4" |
| Apparent magnitude: | 7.999 |
| Distance: | 1315.789 parsecs |
| Proper motion RA: | -2.4 |
| Proper motion Dec: | -5.1 |
| B-T magnitude: | 10.028 |
| V-T magnitude: | 8.167 |
Catalogs and designations:
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