A dataset provided by the European Space Agency

Name 074285
Title Probing the Highest Energy Phenomena of Eta Carinae around Periastron in 2014


DOI 10.5270/esa-prg784r
Author Dr Kenji Hamaguchi
Description Eta Carinae is an extremely massive binary system whose strong winds produce a variety of high-energy X-ray and possibly gamma-ray emission. Earlier observations found interesting features in the extremely hard X-ray band: i) a flat spectral component above 9 keV toward the flux maximum; ii) strong 15-20 keV emission during an occultation of the wind-wind colliding plasma; iii) stable power-law emission above 25 keV. These features are signs of the highest energy processes yet detected in any colliding wind binary. Broad band X-ray observations around periastron are essential to understand those features. We therefore propose joint XMM-Newton and NuSTAR observations at 4 key phases around the next periastron passage of Eta Carinae in 2014.6.
Publication Eta Carinae.s Thermal X-Ray Tail Measured with XMM-Newton and NuSTAR . Hamaguchi, Kenji, Corcoran, Michael F., et all. . ApJ . 817-23 . 2016 . 2016ApJ...817...23H ,
The Million Optical - Radio-X-ray Associations (MORX) Catalogue . Flesch, Eric W., . PASA . 33-52 . 2016 . 2016PASA...33...52F ,
The puzzling properties of the magnetic O star Tr16-22 . Naze, Yael, Barba, Rodolfo, et all. . A&A . 596-44 . 2016 . 2016A&A...596A..44N ,
Non-thermal X-rays from colliding wind shock acceleration in the massive binary Eta Carinae . Hamaguchi, Kenji, Corcoran, Michael F., et all. . NatAs . 2-731 . 2018 . 2018NatAs...2..731H ,
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 Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's 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 Earth's 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
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2015-08-25T22:00:00Z, 074285, 17.56_20190403_1200. https://doi.org/10.5270/esa-prg784r