VERITAS Detects VHE Gamma-Ray Emission from LS I +61 303 Near Periastron

Details VERITAS Detects VHE Gamma-Ray Emission from LS I +61 303 Near Periastron VERITAS Detects VHE Gamma-Ray Emission from LS I +61 303 Near Periastron

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2948....1o&link_type=abstract

The Astronomer's Telegram, #2948

Astronomy and Astrophysics

Astronomy

6

Gamma Ray, Tev, Vhe, Request For Observations, Binary

Scientific paper

LS I +61 303 is a HMXB system composed of a Be star and a compact object of unknown nature (Casares et al. 2005, MNRAS, 360, 1105). Its elliptical orbit has a period of 26.5 days, with periastron occurring at phase 0.225 and apastron at phase 0.775. LS I +61 303 has previously been detected as a VHE (E>100 GeV) gamma-ray source, with significant emission only observed near apastron passage, around phases 0.5-0.8 (Albert et al.

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