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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.
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Osservazione e dati astrometrici
| Costellazione: | Idra |
| Ascensione retta: | 10h46m46.59s |
| Declinazione: | -25°32'01.8" |
| Magnitudine apparente: | 7.392 |
| Distanza: | 231.481 parsec |
| Moto proprio RA: | -55.8 |
| Moto proprio Dec: | -9.6 |
| B-T magnitude: | 9.359 |
| V-T magnitude: | 7.555 |
Cataloghi e designazioni:
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