Absence of radial velocity variations in MWC 148 during the recent activity of HESS J0632+057

Details Absence of radial velocity variations in MWC 148 during the recent activity of HESS J0632+057 Absence of radial velocity variations in MWC 148 during the recent activity of HESS J0632+057

Mar 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3209....1c&link_type=abstract

The Astronomer's Telegram, #3209

Astronomy and Astrophysics

Astronomy

3

Radio, Optical, X-Ray, >Gev, Tev, Vhe, Binary, Transient, Variables

Scientific paper

MWC 148 is a B0pe-type star suspected to be the counterpart of the variable TeV gamma-ray source HESS J0632+057, which also shows variable radio and X-ray emission (Aharonian et al. 2007, A&A, 469, L1; Acciari et al. 2009, ApJ, 698, L94; Hinton et al. 2009, ApJ, 690, L101; Skilton et al. 2009, MNRAS, 399, 317; Falcone et al. 2009, ApJ, 708, L52). MWC 148 is thought to be a gamma-ray binary, although evidence of binarity from radial velocity measurements is still lacking (Aragona et al.

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