17 citations
2 papers
astro-ph.SR2014★ 12 cited
Estimate of Solar Maximum using the 1-8 ÅGeostationary Operational Environmental Satellites X-ray Measurements
L. M. Winter, K. S. Balasubramaniam
We present an alternate method of determining the progression of the solar cycle through an analysis of the solar X-ray background. Our results are based on the NOAA Geostationary…
astro-ph.HE2014★ 17 cited
The Local Environment of Ultraluminous X-ray Sources Viewed by XMM Newton's Optical Monitor
Ciprian T. Berghea, Rachel P. Dudik, Jonathan Tincher +1
We have used XMM-Newton's Optical Monitor (OM) images to study the local environment of a sample of 27 Ultraluminous X-ray Sources (ULXs) in nearby galaxies. UVW1 fluxes were extra…