A dataset provided by the European Space Agency

Name: A detailed X-ray study of the unique recurrent nova M31N 2008-12a
Published: 2018-01-19T23:00:00Z

Proposal ID	078400
Title	A detailed X-ray study of the unique recurrent nova M31N 2008-12a
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0784000101 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0784000201
DOI	https://doi.org/10.5270/esa-sv8a4xj
Principal Investigator, PI	Dr Martin Henze
Abstract	M31N 2008-12a is a recurrent nova in M31 with a unique record of 8 observederuptions in the last 8 years. The apparent recurrence period of 1 yr isunprecedentedly short, with evidence for an even shorter period of 6 months.This nova is the prime type-Ia supernova progenitor candidate. We successfullypredicted the last two eruptions and predict that future eruptions will soonenter the XMM-Newton visibility window. We propose a 100-ks XMM-Newton target ofopportunity observation of a future eruption to study in unprecedented detailthe X-ray spectrum and characterise the emission components. Additionally, wewill study the flux variability of the early supersoft X-ray phase and measurethe corresponding X-ray spectral variations and the UV variability.
Publications	Breaking the Habit: The Peculiar 2016 Eruption of the Unique Recurrent Nova M31N 2008-12a \|Henze M. Darnley M. J. et al. \| ApJ \| 857-68 \| 2018 \| 2018ApJ...857...68H \| http://ui.adsabs.harvard.edu/#abs/2018ApJ...857...68H 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 An XMM-Newton View of the Andromeda Galaxy as Explored in a Legacy Survey (New-ANGELS). I. The X-Ray Source Catalog \|Huang Rui Li Jiang-Tao et al. \| ApJS \| 268-36 \| 2023 \| 2023ApJS..268...36H \| http://ui.adsabs.harvard.edu/#abs/2023ApJS..268...36H The XMM-Newton Line Emission Analysis Program (X-LEAP). I. Emission-line Survey of O VII O VIII and Fe L-shell Transitions \|Pan Zeyang Qu Zhijie et al. \| ApJS \| 271-62 \| 2024 \| 2024ApJS..271...62P \| http://ui.adsabs.harvard.edu/#abs/2024ApJS..271...62P 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 New 511 keV Line Data Provide Strongest sub-GeV Dark Matter Constraints \|De la Torre Luque Pedro Balaji Shyam \| ApJ \| 973-L6 \| 2024 \| 2024ApJ...973L...6D \| http://ui.adsabs.harvard.edu/#abs/2024ApJ...973L...6D
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2016-12-26T12:06:31Z/2016-12-28T23:29:58Z
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	2018-01-19T23:00:00Z
Last Update	2025-08-04
Keywords	"XMM", "xray spectral variations", "uv variability", "XMM-Newton", "supersoft xray phase", "recurrent nova", "M31", "m31n 2008 12a", "successfully predicted", "shorter period", "soon enter", "xray spectrum", "future eruption", "flux variability", "apparent recurrence period", "xmm newton target", "emission components", "future eruptions"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Dr Martin Henze, 2018, 'A detailed X-ray study of the unique recurrent nova M31N 2008-12a', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-sv8a4xj