The Chandra Galactic Bulge Survey

C.T. Britt, R.I. Hynes, P.G. Jonker, Thomas Maccarone, M.A.P. Torres, D. Steeghs, G. Nelemans, C. Johnson, S. Greiss

Research output: Contribution to conferencePaper


The Chandra Galactic Bulge Survey (GBS) is a multi-wavelength survey of two 61 degree strips above and below the Galactic plane, including deep r’ and i’ imaging and time domain photometry from CTIO and shallow, wide-field X-ray imaging with Chandra. Targeting fields above |b|=1 avoids most of the copious extinction along the Galactic plane while maintaining high source density. This results in targets that are accessible to follow up in optical and NIR wavelengths. The X-ray observations are shallow to maximize the number of quiescent Low Mass X-ray Binaries (LMXBs) relative to Cataclysmic Variables (CVs). The goals of the GBS are to conduct a census of Low Mass X-ray Binaries in the Milky Way in order to constrain models of binary evolution, the common envelope phase in particular, and to expand the number of known LMXBs for optical follow up. Mass measurements in particular will help constrain the black hole (BH) mass distribution and the equation of state for neutron stars (NS). C
Original languageEnglish
StatePublished - May 2015


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