About Research in Astronomy and Astrophysics (RAA)

Research in Astronomy and Astrophysics (RAA) publishes research in the rapidly growing area of astronomy and astrophysics. RAA has a worldwide audience. It accepts original submissions from all over the world and is internationally published and distributed by IOP.

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Research in Astronomy and Astrophysics (RAA)

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Preface: Stars and interstellar medium Nikolay N. Samus, Yan Li
Superpenumbral chromospheric flare Suo Liu, Hong-Qi Zhang, Debiprasad P. Choudhury, Abhishek K. Srivastava, Bhola Nath Dwivedi
NSVS 2569022: a peculiar binary among W UMa stars with extremely small mass ratios Diana P. Kjurkchieva, Velimir A. Popov, Nikola I. Petrov
A striking confluence between theory and observations of high-mass X-ray binary pulsars Dimitris Christodoulou, Silas Laycock, Demosthenes Kazanas