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astro-ph.HE2026
Optical Spectroscopy of a Candidate O-Star X-ray Binary in M33
Margaret Lazzarini, Lara Cullinane, Karoline Gilbert +8
We present new observations of a candidate O-type donor star in a high mass X-ray binary (HMXB) in M33. The candidate donor star is spatially coincident with a hard X-ray point sou…
astro-ph.HE2026
Classification of IGR J20084+3221 as an Intermediate Polar using X-ray and Optical Observations
Julian Gerber, Jeremy Hare, John A. Tomsick +2
IGR J20084+3221 is a previously unclassified Galactic source first detected by INTEGRAL. Chandra observations led to possible classifications of either a magnetic Cataclysmic Varia…