A dataset provided by the European Space Agency

Name: Stellar magnetic fields: From the photosphere into the corona
Published: 2010-03-31T00:00:00Z

Proposal ID	055112
Title	Stellar magnetic fields: From the photosphere into the corona
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0551120201 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0551120301 https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0551120401
DOI	https://doi.org/10.5270/esa-1i3sofu
Principal Investigator, PI	Ms Carolin Liefke
Abstract	Simultaneous X-ray and optical observations of the active M dwarf CN Leo haveshown variability in its magnetic flux (as measured through magneticallysensitive lines in the molecular FeH band) on different timescales: within a fewdays, within one night, and possibly even related to a flare event. We proposeto extend these studies to a larger sample of stars and observe the two flarestars Proxima Cen and YZ CMi simultaneously with XMM-Newton and VLT/UVES inorder to characterize the amplitudes and time scales of variations in theirphotospheric magnetic fields together with the behavior of chromosphericemission lines and coronal X-ray emission. This will enable us to traceactivity-related changes in the stellar magnetic field through all layers of the stellar atmosphere.
Publications	Multi-wavelength observations of Proxima Centauri \|Fuhrmeister, B., Lalitha, S., et al. \| A&A \| 534-133 \| 2011 \| 2011A&A...534A.133F \| http://ui.adsabs.harvard.edu/#abs/2011A&A...534A.133F An XMM-Newton Survey of the Soft X-Ray Background. II. An All-Sky Catalog of Diffuse O VII and O VIII Emission Intensities \|Henley, David B., Shelton, Robin L., \| ApJS \| 202-14 \| 2012 \| 2012ApJS..202...14H \| http://ui.adsabs.harvard.edu/#abs/2012ApJS..202...14H Evidence of Multiple Slow Acoustic Oscillations in the Stellar Flaring Loops of Proxima Centauri \|Srivastava, A. K., Lalitha, S., \| ApJ \| 778-28 \| 2013 \| 2013ApJ...778L..28S \| http://ui.adsabs.harvard.edu/#abs/2013ApJ...778L..28S Serendipitous UV source catalogues for 10 years of XMM and 5 years of Swift \|Yershov, V. N., \| Ap&SS \| 354-97 \| 2014 \| 2014Ap&SS.354...97Y \| http://ui.adsabs.harvard.edu/#abs/2014Ap&SS.354...97Y The Interaction of the Fermi Bubbles with the Milky Way.s Hot Gas Halo \|Miller, Matthew J., Bregman, Joel N., \| ApJ \| 829-9 \| 2016 \| 2016ApJ...829....9M \| http://ui.adsabs.harvard.edu/#abs/2016ApJ...829....9M Comparison of Damped Oscillations in Solar and Stellar X-Ray flares \|Cho, I.-H., Cho, K.-S., et al. \| ApJ \| 830-110 \| 2016 \| 2016ApJ...830..110C \| http://ui.adsabs.harvard.edu/#abs/2016ApJ...830..110C 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 Optical, UV, and X-ray evidence for a 7-yr stellar cycle in Proxima Centauri \|Wargelin, B. J., Saar, S. H., et al. \| MNRAS \| 464-3281 \| 2017 \| 2017MNRAS.464.3281W \| http://ui.adsabs.harvard.edu/#abs/2017MNRAS.464.3281W The habitability of Proxima Centauri b. I. Irradiation, rotation and volatile inventory from formation to the present \|Ribas, Ignasi, Bolmont, Emeline, et al. \| A&A \| 596-111 \| 2016 \| 2016A&A...596A.111R \| http://ui.adsabs.harvard.edu/#abs/2016A&A...596A.111R An improved age-activity relationship for cool stars older than a gigayear \|Booth, R. S., Poppenhaeger, K., et al. \| MNRAS \| 471-1012 \| 2017 \| 2017MNRAS.471.1012B \| http://ui.adsabs.harvard.edu/#abs/2017MNRAS.471.1012B The full spectral radiative properties of Proxima Centauri \|Ribas, Ignasi, Gregg, Michael D., et al. \| A&A \| 603-58 \| 2017 \| 2017A&A...603A..58R \| http://ui.adsabs.harvard.edu/#abs/2017A&A...603A..58R An X-Ray- and SZ-bright Diffuse Source toward M31: A Local Hot Bridge \|Qu, Zhijie, Huang, Rui, et al. \| ApJ \| 907-14 \| 2021 \| 2021ApJ...907...14Q \| http://ui.adsabs.harvard.edu/#abs/2021ApJ...907...14Q 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 Helium absorption in exoplanet atmospheres is connected to stellar coronal abundances \|Poppenhaeger, K., \| MNRAS \| 512-1751 \| 2022 \| 2022MNRAS.512.1751P \| http://ui.adsabs.harvard.edu/#abs/2022MNRAS.512.1751P X-exoplanets coronal models and planet photoevaporation \|Sanz-Forcada, Jorge, \| AN \| 343-20008 \| 2022 \| 2022AN....34320008S \| http://ui.adsabs.harvard.edu/#abs/2022AN....34320008S The Solar Cycle Temporal Variation of the Solar Wind Charge Exchange X-Ray Lines \|Qu, Zhijie, Koutroumpa, Dimitra, et al. \| ApJ \| 930-21 \| 2022 \| 2022ApJ...930...21Q \| http://ui.adsabs.harvard.edu/#abs/2022ApJ...930...21Q 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 X-ray detection of astrospheres around three main-sequence stars and their mass-loss rates \|Kislyakova, K. G., G\\u00fcdel, M., et al. \| NatAs \| 8-596 \| 2024 \| 2024NatAs...8..596K \| http://ui.adsabs.harvard.edu/#abs/2024NatAs...8..596K 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	2009-03-10T02:40:59Z/2009-03-14T10:40:06Z
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	2010-03-31T00:00:00Z
Keywords	"stellar magnetic field", "larger sample", "flare event", "coronal xray emission", "XMM", "yz cmi", "stellar magnetic fields", "time scales", "photospheric magnetic fields", "magnetically sensitive lines", "chromospheric emission lines", "stellar atmosphere", "XMM-Newton", "molecular feh band", "dwarf cn leo", "magnetic flux", "trace activity related", "xmm newton"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Ms Carolin Liefke, 2010, 'Stellar magnetic fields: From the photosphere into the corona', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-1i3sofu