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We have undertaken a search for SAO stars with infrared excess in theIRAS Point Source Catalog. In contrast to previous searches, the entireIRAS (12)-(25)-(60) color-color diagram was used. This selection yieldeda sample of 462 stars, of which a significant number are stars withcircumstellar material. The stars selected can be identified aspre-main-sequence stars, Be stars, protoplanetary systems, post-AGBstars, etc. A number of objects are (visual) binary stars.Characteristic temperatures and IR excesses are calculated and theirrelations to spectral type are investigated.
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Osservazione e dati astrometrici
| Costellazione: | Giraffa |
| Ascensione retta: | 04h33m19.04s |
| Declinazione: | +64°10'11.2" |
| Magnitudine apparente: | 6.863 |
| Distanza: | 173.01 parsec |
| Moto proprio RA: | 3.9 |
| Moto proprio Dec: | 26.8 |
| B-T magnitude: | 8.245 |
| V-T magnitude: | 6.978 |
Cataloghi e designazioni:
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