Access to Astronomical Catalogues

← Click to display the menu
J/A+A/603/A58       Full spectrum of Proxima Centauri             (Ribas+, 2017)

The full spectral radiative properties of Proxima Centauri. Ribas I., Gregg M.D., Boyajian T.S., Bolmont E. <Astron. Astrophys. 603, A58 (2017)> =2017A&A...603A..58R (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple ; Planets ; Energy distributions ; Spectrophotometry ; X-ray sources; Extreme UV sources ; Ultraviolet ; Infrared sources ; Models, atmosphere Keywords: stars: individual: Proxima Cen - planets and satellites: individual: Proxima b - planets and satellites: atmospheres - planets and satellites: terrestrial planets - X-rays: stars - planet-star interactions Abstract: The discovery of Proxima b, a terrestrial temperate planet, presents the opportunity of studying a potentially habitable world in optimal conditions. A key aspect to model its habitability is to understand the radiation environment of the planet in the full spectral domain. We characterize the X-rays to mid-IR radiative properties of Proxima with the goal of providing the top-of-atmosphere fluxes on the planet. We also aim at constraining the fundamental properties of the star, namely its mass, radius, effective temperature and luminosity. We employ observations from a large number of facilities and make use of different methodologies to piece together the full spectral energy distribution of Proxima. In the high-energy domain, we pay particular attention to the contribution by rotational modulation, activity cycle, and flares so that the data provided are representative of the overall radiation dose received by the atmosphere of the planet. Description: Top-of-atmosphere fluxes received by the exoplanet Proxima b covering from 0.7 to 30000nm. Different techniques and facilities are used to compose the full SED: 0.7-3.8nm: XMM-Newton, 3.8-10nm: ROSAT, 10-40nm: EUVE, 40-92: Model, 92-117nm: FUSE, 117-1000nm: HST/STIS; 1000-30000nm: Model. The observed flux is scaled to the Proxima b atmosphere by adopting a distance from the Earth to Proxima of 1.3009pc and a semi-major axis of the orbit of Proxima b of 0.0485AU. Objects: -------------------------------------------------------- RA (2000) DE Designation(s) -------------------------------------------------------- 14 29 42.95 -62 40 46.2 Proxima b = NAME Proxima b -------------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table8.dat 19 30029 Top-of-atmosphere flux on Proxima b
See also: J/A+A/534/A133 : Proxima Cen chromospheric emission lines (Fuhrmeister+, 2011) Byte-by-byte Description of file: table8.dat
Bytes Format Units Label Explanations
1- 8 F8.2 nm lambda Wavelength 9- 19 E11.3 W/m2/nm Flux Top-of-atmosphere flux
Acknowledgements: Ignasi Ribas, iribas(at)ice.cat Institute of Space Sciences (IEEC-CSIC)
(End) Ignasi Ribas [IEEC-CSIC], Patricia Vannier [CDS] 10-May-2017
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

catalogue service

© UDS/CNRS

Contact