A dataset provided by the European Space Agency

Name: High-resolution X-ray spectroscopy of lambda Cep
Published: 2014-08-31T00:00:00Z

Proposal ID	072009
Title	High-resolution X-ray spectroscopy of lambda Cep
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0720090301 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0720090401 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0720090501 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0720090601
DOI	https://doi.org/10.5270/esa-yk72qxj
Principal Investigator, PI	Prof Gregor Rauw
Abstract	We propose to improve our understanding of structures of stellar winds and theirimplications on the X-ray emission of massive stars by collecting ahigh-quality, high-resolution RGS spectrum of the O6Ief supergiant lambda Cep.This object shares many properties with the well-observed O4Ief supergiant zetaPup which turned out to be an incredible puzzle: its X-ray spectrum meets verywell the expectations of the wind-embedded shock model, although zeta Pup is nota normal. O-type star. This situation contrasts with that of the other morenormal, single O-type stars observed in high resolution so far. lambda Cepoffers a unique opportunity to investigate the X-ray emission of the sole twinof zeta Pup, and hence to draw a much clearer picture of the emission of single massive stars.
Publications	Simultaneous X-ray and optical spectroscopy of the Oef supergiant lambda Cephei \|Rauw, G., Herve, A., et al. \| A&A \| 580-59 \| 2015 \| 2015A&A...580A..59R \| http://ui.adsabs.harvard.edu/#abs/2015A&A...580A..59R The Million Optical - Radio/X-ray Associations (MORX) Catalogue \|Flesch, Eric W., \| PASA \| 33-52 \| 2016 \| 2016PASA...33...52F \| http://ui.adsabs.harvard.edu/#abs/2016PASA...33...52F On the Absence of Non-thermal X-Ray Emission around Runaway O Stars \|Toala, J. A., Oskinova, L. M., \| ApJ \| 838-19 \| 2017 \| 2017ApJ...838L..19T \| http://ui.adsabs.harvard.edu/#abs/2017ApJ...838L..19T Is the Pollock.s paradigm of X-ray emission for O stars correct? \|Ryspaeva, E. B., Kholtygin, A. F., \| AN \| 338-959 \| 2017 \| 2017AN....338..959R \| http://ui.adsabs.harvard.edu/#abs/2017AN....338..959R Possible Association of Two Stellar Bowshocks with Unidentified Fermi Sources \|Sanchez-Ayaso, E., del Valle, Maria V., et al. \| ApJ \| 861-32 \| 2018 \| 2018ApJ...861...32S \| http://ui.adsabs.harvard.edu/#abs/2018ApJ...861...32S Analysis of the X-ray emission of OB stars: O stars \|Ryspaeva, Elizaveta, Kholtygin, Alexander, \| RAA \| 18-104 \| 2018 \| 2018RAA....18..104R \| http://ui.adsabs.harvard.edu/#abs/2018RAA....18..104R Classification of 4XMM-DR9 sources by machine learning \|Zhang, Yanxia, Zhao, Yongheng, \| MNRAS \| 503-5263 \| 2021 \| 2021MNRAS.503.5263Z \| http://ui.adsabs.harvard.edu/#abs/2021MNRAS.503.5263Z Fe XVII 2p-3s Line Ratio Diagnostic of Shock Formation Radius in O Stars \|Grell, Gabriel J., Leutenegger, Maurice A., \| ApJ \| 917-105 \| 2021 \| 2021ApJ...917..105G \| http://ui.adsabs.harvard.edu/#abs/2021ApJ...917..105G From Active Stars to Black Holes: A Discovery Tool for Galactic X-Ray Sources \|Rodriguez, Antonio C., \| PASP \| 136-054201 \| 2024 \| 2024PASP..136e4201R \| http://ui.adsabs.harvard.edu/#abs/2024PASP..136e4201R Robust constraints on feebly interacting particles using XMM-Newton \|Luque, Pedro De la Torre, Balaji, Shyam, \| PhRvD \| 109-L101305 \| 2024 \| 2024PhRvD.109j1305L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j1305L Multimessenger search for electrophilic feebly interacting particles from supernovae \|Luque, Pedro De la Torre, Balaji, Shyam, \| PhRvD \| 109-103028 \| 2024 \| 2024PhRvD.109j3028L \| http://ui.adsabs.harvard.edu/#abs/2024PhRvD.109j3028L Importance of Cosmic-Ray Propagation on Sub-GeV Dark Matter Constraints \|De la Torre Luque, Pedro, Balaji, Shyam, \| ApJ \| 968-46 \| 2024 \| 2024ApJ...968...46D \| http://ui.adsabs.harvard.edu/#abs/2024ApJ...968...46D
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2013-06-12T16:28:32Z/2013-08-10T06:30:31Z
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	2014-08-31T00:00:00Z
Keywords	"single massive stars", "zeta pup", "clearer picture", "resolution xray spectroscopy", "stellar winds", "massive stars", "xray spectrum meets", "resolution rgs spectrum", "type star", "lambda cep", "xray emission", "sole twin", "situation contrasts", "type stars", "object shares"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Prof Gregor Rauw, 2014, 'High-resolution X-ray spectroscopy of lambda Cep', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-yk72qxj