Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3176....1g&link_type=abstract
The Astronomer's Telegram, #3176
Astronomy and Astrophysics
Astronomy
Optical, Binary, Star
Scientific paper
The O9.7IIIe star HDE 245770, nicknamed Flavia, is the optical counterpart of the X-ray pulsar A0535+26. On February 5, 2011 at the Loiano 1.52 m telescope from UT 18hh 40mm 40ss we performed optical B, V spectrophotometry of HDE 245770 and starting from UT 18hh 51mm 11ss to 19hh 15mm 37ss we performed optical spectroscopy 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).
Giovannelli Franco
Nesci Roberto
Rossi Corrinee
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