Proposal ID | 074285 |
Title | Probing the Highest Energy Phenomena of Eta Carinae around Periastron in 2014 |
Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0742850301 |
DOI | https://doi.org/10.5270/esa-prg784r |
Principal Investigator, PI | Dr Kenji Hamaguchi |
Abstract | Eta Carinae is an extremely massive binary system whose strong winds produce avariety of high-energy X-ray and possibly gamma-ray emission. Earlierobservations found interesting features in the extremely hard X-ray band: i) aflat spectral component above 9 keV toward the flux maximum; ii) strong 15-20keV emission during an occultation of the wind-wind colliding plasma; iii)stable power-law emission above 25 keV. These features are signs of the highestenergy processes yet detected in any colliding wind binary. Broad band X-rayobservations around periastron are essential to understand those features. Wetherefore propose joint XMM-Newton and NuSTAR observations at 4 key phasesaround the next periastron passage of Eta Carinae in 2014.6. |
Publications |
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Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
Temporal Coverage | 2014-06-06T19:13:05Z/2014-07-29T01:16:03Z |
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 | 2015-08-25T22:00:00Z |
Keywords | "NuSTAR", "massive binary system", "broad band xray", "energy xray", "XMM", "xmm newton", "eta carinae", "energy phenomena", "key phases", "flux maximum", "flat spectral component", "XMM-Newton", "gamma ray emission", "colliding wind binary", "kev emission", "periastron passage", "energy processes", "hard xray band" |
Publisher And Registrant | European Space Agency |
Credit Guidelines | European Space Agency, Dr Kenji Hamaguchi, 2015, 'Probing the Highest Energy Phenomena of Eta Carinae around Periastron in 2014', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-prg784r |