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SAO stars with infrared excess in the IRAS Point Source Catalog
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: | Freccia |
| Ascensione retta: | 19h35m32.86s |
| Declinazione: | +17°59'55.2" |
| Magnitudine apparente: | 9.527 |
| Moto proprio RA: | -0.3 |
| Moto proprio Dec: | -6.3 |
| B-T magnitude: | 10.088 |
| V-T magnitude: | 9.574 |
Cataloghi e designazioni:
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