Classification of Metal-Deficient Dwarfs in the Vilnius Photometric System
| Autor: | S. Bartašiūtė, R. Lazauskaitė, A. Bartkevičius |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2003 |
| Předmět: |
Physics
stars Astronomy Astrophysics::Instrumentation and Methods for Astrophysics Photometric system Astronomy and Astrophysics QB1-991 Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics fundamental parameters (classification) photometric Space and Planetary Science Astrophysics::Solar and Stellar Astrophysics Astrophysics::Earth and Planetary Astrophysics techniques population ii Astrophysics::Galaxy Astrophysics |
| Zdroj: | Open Astronomy, Vol 12, Iss 4, Pp 547-554 (2003) |
| ISSN: | 2543-6376 |
| Popis: | Methods used for the quantitative classification of metal-deficient stars in the Vilnius photometric system are reviewed. We present a new calibration of absolute magnitudes for dwarfs and subdwarfs, based on Hipparcos parallaxes. The new classification scheme is applied to a sample of Population II visual binaries. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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