Strong Optical Activity of HDE 245770/A0535+26 System

Details Strong Optical Activity of HDE 245770/A0535+26 System Strong Optical Activity of HDE 245770/A0535+26 System

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2497....1g&link_type=abstract

The Astronomer's Telegram, #2497

Astronomy and Astrophysics

Astronomy

3

Optical, Request For Observations, Binaries, Pulsars, Transients, Stars

Scientific paper

The O9.7IIIe star HDE 245770, nicknamed Flavia' star, is the optical counterpart of the X-ray pulsar A0535+26. On March 19, 2010 from UT 18hh 45mm 37ss to 19hh 28mm 07ss at the Loiano 1.52 m telescope we performed optical spectroscopy of this star in the range 330 - 785 nm [Delta(lambda) from about 0.4 to 0.3 nm] by using the BFOSC (Bologna Faint Object Spectrograph & Camera). The first analysis of the spectra shows a strong optical activity of the star.

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