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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: | 10h43m20.17s |
| Declinazione: | -27°17'54.2" |
| Magnitudine apparente: | 8.088 |
| Distanza: | 490.196 parsec |
| Moto proprio RA: | -68 |
| Moto proprio Dec: | 0.2 |
| B-T magnitude: | 9.853 |
| V-T magnitude: | 8.234 |
Cataloghi e designazioni:
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