Dynamical parallax, physical parameters, and evolutionary status of the components of the bright eclipsing binary alpha Draconis

Pavlovski, K.; Hummel, C.; Tkachenko, A.; Dervisoglu, AHMET; Kayhan, CENK; Zavala, R.; Hutter, D.; Tycner, C.; Şahin, Timur; Audenaert, J.; Baeyens, R.; Bodensteiner, J.; Bowman, D.; Gebruers, S.; Jannsen, N.; Mombarg, J.

doi:10.1051/0004-6361/202142292

Dynamical parallax, physical parameters, and evolutionary status of the components of the bright eclipsing binary alpha Draconis

Atıf İçin Kopyala

Pavlovski K., Hummel C. A., Tkachenko A., Dervisoglu A., Kayhan C., Zavala R. T., ...Daha Fazla

ASTRONOMY & ASTROPHYSICS, cilt.658, 2022 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 658
Basım Tarihi: 2022
Doi Numarası: 10.1051/0004-6361/202142292
Dergi Adı: ASTRONOMY & ASTROPHYSICS
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED)
Anahtar Kelimeler: stars: fundamental parameters, binaries: spectroscopic, binaries: eclipsing, techniques: interferometric, techniques: spectroscopic, stars: individual: alpha Dra, V-SIN-I, A-TYPE STARS, BOLOMETRIC CORRECTIONS, EFFECTIVE TEMPERATURES, ROTATIONAL VELOCITIES, ABSOLUTE DIMENSIONS, STELLAR EVOLUTION, MASS STARS, B STARS, MULTIPLICITY
Erciyes Üniversitesi Adresli: Evet

Özet

Aims. Both components of the bright eclipsing binary a Dra have been resolved using long baseline interferometry and the secondary component has been shown to contribute approximately 15% of the total flux; however, a spectroscopic detection of the companion star has so far been unsuccessful. We aim for a firm spectroscopic detection of the secondary component of alpha Dra using state-of-the-art spectroscopic analysis methods for very high-quality spectroscopic observations. This will allow the determination of fundamental and atmospheric properties of the components in the system with high precision and accuracy.