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Magnetic Activity in Stellar Merger Products
Noam Soker, Romuald Tylenda
We study the expected X-ray luminosity of stellar merger products several years after merger. The X-ray emission is assumed to result from magnetic activity. The extended envelope…
Observations of V838 Mon and the nearby region in the CO J = 1-0, 2-1 and 3-2 transitions
T. Kaminski, M. Miller, R. Szczerba +1
We present observations of V838 Mon and its close vicinity in the three lowest rotational transitions of CO. The J = 2-1 and 3-2 data were obtained using the 3 m KOSMA telescope. T…
Modelling V838 Monocerotis as a Mergeburst Object
Noam Soker, Romuald Tylenda
We discuss the main observational facts on the eruption of V838 Monocerotis in terms of possible outburst mechanisms. We conclude that the stellar merger scenario is the only one,…
Violent Stellar Merger Model for Transient Events
Noam Soker, Romuald Tylenda
We derive the constraints on the mass ratio for a binary system to merge in a violent process. We find that the secondary to primary stellar mass ratio should be ~0.003 < (M_2/M_1)…