Observations and analysis of the system R Canis Majoris


Budding E., Butland R.

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, cilt.418, ss.1764-1773, 2011 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 418 Konu: 3
  • Basım Tarihi: 2011
  • Doi Numarası: 10.1111/j.1365-2966.2011.19597.x
  • Dergi Adı: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
  • Sayfa Sayıları: ss.1764-1773

Özet

New high-resolution spectroscopy of the Algol-type binary R CMa is presented and reduced, allowing a re-analysis of this puzzling close pair. New radial velocity curves are in better agreement with the results of Glazunova, Yushchenko & Mrktichian, which revise upwards the relatively low masses of Tomkin. We find the following main parameters: M1= 1.67 +/- 0.08, M2= 0.22 +/- 0.07; R1= 1.78 +/- 0.03, R2= 1.22 +/- 0.07; L1= 8.2 +/- 0.2, L2= 0.49 +/- 0.01 (solar units); and photometric parallax 22 +/- 1 mas.