There are several likely gamma-ray pulsars in EGRET error boxes which areprobably associated with known TeV sources, but radio searches have failed todetect pulsations from them. Direct searches for gamma-ray pulsations of thebrightest EGRET sources using Fermi are proving quite successful. However, tounderstand the emission mechanisms, pulsations at other wavelengths arecritical. Here we propose XMM-Newton studies of two such sources: GeV J1825-1310(the Eel) and GeV J1907+0557, with the primary goal of detecting X-raypulsations using the PN in small window mode. Both have extended X-ray nebulawhose spatial and spectral properties will be studied using the MOS imagers.
Instrument
EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage
2010-04-26T09:32:55Z/2010-04-27T00:09:00Z
Version
17.56_20190403_1200
Mission Description
The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
European Space Agency, Dr Mallory Roberts, 2011, 'Pulse Searches of Two Radio Quiet GeV Pulsars Associated with TeV Sources', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-xzmgo24
