NDLI: Chandra x-ray observations of the two brightest unidentified high galactic latitude fermi-lat gamma-ray sources

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Chandra x-ray observations of the two brightest unidentified high galactic latitude fermi-lat gamma-ray sources

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sokolovsky, K. V. Donato, D. Cheung, C. C. Gehrels, N. Giroletti, M.
Copyright Year	2012
Description	We present Chandra ACIS-I X-ray observations of 0FGL J1311.9â3419 and 0FGL J1653.4â0200, the two brightest high Galactic latitude (absolute value (beta) >10 deg) gamma-ray sources from the three-month Fermi Large Area Telescope (LAT) bright source list that are still unidentified. Both were also detected previously by EGRET, and despite dedicated multi-wavelength follow-up, they are still not associated with established classes of gamma-ray emitters like pulsars or radio-loud active galactic nuclei. X-ray sources found in the ACIS-I fields of view are cataloged, and their basic properties are determined. These are discussed as candidate counterparts to 0FGL J1311.9â3419 and 0FGL J1653.4â0200, with particular emphasis on the brightest of the 9 and 13 Chandra sources detected within the respective Fermi-LAT 95% confidence regions. Further follow-up studies, including optical photometric and spectroscopic observations, are necessary to identify these X-ray candidate counterparts in order to ultimately reveal the nature of these enigmatic gamma-ray objects.
File Size	301462
Page Count	19
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20140009234
Archival Resource Key	ark:/13960/t9v171n0z
Language	English
Publisher Date	2012-09-01
Access Restriction	Open
Subject Keyword	Galactic Brightest Latitude Gamma Rays Brightness X Ray Astronomy X Ray Astrophysics Facility Catalogs Publications Gamma Ray Astronomy X Ray Sources Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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