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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.
| Walraven photometry of nearby southern OB associations
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Datos observacionales y astrométricos
| Constelación: | Sagitario |
| Ascensión Recta: | 17h47m03.72s |
| Declinación: | -29°14'54.5" |
| Magnitud Aparente: | 9.288 |
| Movimiento Propio en Ascensión Recta: | -18.5 |
| Movimiento Propio en Declinación: | -42.2 |
| B-T magnitude: | 9.948 |
| V-T magnitude: | 9.343 |
Catálogos y designaciones:
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