Photometric and spectroscopic investigation of the B2E Herbig star HD52721: First results

We present first results of the photometric and spectroscopic investigation of the B1/B2 Herbig star HD52721 performed in 2009–2010 at three observatories: Mountain Astronomical Station (Kislovodsk)—photometry, CrAO (Crimea, Ukraine)—spectroscopy, Observatory San Pedro Martyr (Ensenada, Mexico)—high...

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Bibliographic Details
Published in:Bulletin of the Crimean Astrophysical Observatory 2013-06, Vol.109 (1), p.23-26
Main Authors: Pogodin, M. A., Beskrovnaya, N. G., Valyavin, G. G., Guseva, I. S., Pavlovskiy, S. E., Rusomarov, N., Ezhkova, O. V.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Astrophysics and Cosmology
Double stars
Galaxy Stars
Physics
Physics and Astronomy
Spectrum analysis
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Summary:We present first results of the photometric and spectroscopic investigation of the B1/B2 Herbig star HD52721 performed in 2009–2010 at three observatories: Mountain Astronomical Station (Kislovodsk)—photometry, CrAO (Crimea, Ukraine)—spectroscopy, Observatory San Pedro Martyr (Ensenada, Mexico)—high-resolution echelle-spectroscopy. We have also used photometric data from the ASAS survey for 2003–2009. Our analysis has shown that a) the object is a close binary system with the orbital period of 1.610 days composed of two components of similar spectral type (B1–B2); b) the system is surrounded by the common disk-like envelope containing azimuthal inhomogeneity rotating with the orbital period of the system. We present preliminary estimates of the system parameters and discuss its possible nature.
ISSN:0190-2717
1934-7863
DOI:10.3103/S019027171301018X