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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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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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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Ejderha |
| Sað Açýklýk: | 19h38m38.19s |
| Yükselim: | +63°28'56.9" |
| Görünürdeki Parlaklýk: | 8.464 |
| Uzaklýk: | 584.795 parsek |
| özdevim Sað Açýklýk: | 3.6 |
| özdevim Yükselim: | 6.8 |
| B-T magnitude: | 10.615 |
| V-T magnitude: | 8.642 |
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