Proposal ID | 020127 |
Title | SEARCH FOR X-RAY PULSATIONS FROM THE GAMMA-RAY SOURCE 3EG J1809-2328 |
Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0201270101 |
DOI | https://doi.org/10.5270/esa-92nzkbr |
Principal Investigator, PI | Prof JULES HALPERN |
Abstract | The error box of the high-energy gamma-ray source 3EG J1809-2328 contains anX-ray and radio synchrotron nebula emerging from a point X-ray source that isundoubtedly a radio-quiet pulsar. Since the gamma-rays from 3EG J1809-2328 arevariable on time scales of months to years, they may be of a qualitativelydifferent origin from the usual magnetospheric emission from rotation-poweredpulsars. We propose to discover the pulsations in X-rays in order to evaluatewhether the gamma-rays can be powered by the spin-down luminosity of the pulsar.The resulting pulse ephemeris will also be used in conjunction with future GLASTdata to determine what fraction of the gamma-rays are pulsed, and what remainingfraction can be powered by diffuse mechanisms involving pulsar wind nebulae. |
Publications |
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Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
Temporal Coverage | 2004-10-02T07:38:57Z/2004-10-03T03:00:50Z |
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. |
Creator Contact | https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk |
Date Published | 2005-10-22T00:00:00Z |
Last Update | 2025-01-27 |
Keywords | "pulsar wind nebulae", "rotation powered pulsars", "future glast data", "xray source", "xray pulsations", "error box", "3eg j1809 2328", "radio quiet pulsar", "pulse ephemeris", "usual magnetospheric emission", "gamma rays", "time scales" |
Publisher And Registrant | European Space Agency |
Credit Guidelines | European Space Agency, Prof JULES HALPERN, 2005, 'SEARCH FOR X-RAY PULSATIONS FROM THE GAMMA-RAY SOURCE 3EG J1809-2328', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-92nzkbr |