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  Proxima Centauri - the nearest planet host observed simultaneously with AstroSat, Chandra, and HST

Lalitha, S., Schmitt, J. H. M. M., Singh, K. P., Schneider, P. C., Loyd, R. O. P., France, K., et al. (2020). Proxima Centauri - the nearest planet host observed simultaneously with AstroSat, Chandra, and HST. Monthly Notices of the Royal Astronomical Society, 498(3), 3658-3663. doi:10.1093/mnras/staa2574.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0007-EE78-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-EE79-6
Genre: Journal Article

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 Creators:
Lalitha, S., Author
Schmitt, J. H. M. M., Author
Singh, K. P., Author
Schneider, P. C., Author
Loyd, R. O. Parke, Author
France, K., Author
Predehl, P.1, Author           
Burwitz, V., Author
Robrade, J., Author
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: Our nearest stellar neighbour, Proxima Centauri, is a low-mass star with spectral type dM5.5 and hosting an Earth-like planet orbiting within its habitable zone. However, the habitability of the planet depends on the high-energy radiation of the chromospheric and coronal activity of the host star. We report the AstroSat, Chandra, and HST observation of Proxima Centauri carried out as part of the multiwavelength simultaneous observational campaign. Using the soft X-ray data, we probe the different activity states of the star. We investigate the coronal temperatures, emission measures and abundance. Finally, we compare our results with earlier observations of Proxima Centauri.

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 Dates: 2020-08-24
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1093/mnras/staa2574
Other: LOCALID: 3284843
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Title: Monthly Notices of the Royal Astronomical Society
  Other : Mon. Not. R. Astron. Soc.
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 498 (3) Sequence Number: - Start / End Page: 3658 - 3663 Identifier: ISSN: 1365-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000024150