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High angular resolution detection of beta Pictoris b at 2.18 mu m
| Indexado |
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| DOI | 10.1051/0004-6361/201016224 | ||||
| Año | 2011 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Results. The companion is detected at K-s. This independently confirms the physical nature of beta Pictoris b inferred from the L' and NB_4.05 bands. The increase of the projected separation between October-December 2009 and April 2010 observations is consistent within error bars with the expected orbital motion. Using the absolute K-s photometry, "hot start" evolutionary models predict a mass of 7-11 M-Jup in agreement with previous estimates. Moreover, this mass is compatible with T-eff = 1700 +/- 300 K derived from the comparison of the K-s - L' color with those generated using synthetic spectra.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Bonnefoy, M. | Hombre |
UJF Grenoble 1 - Francia
Max Planck Inst Astron - Alemania Universite Grenoble Alpes - Francia Max Planck Institute for Astronomy - Alemania Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 2 | Lagrange, A. -m. | Mujer |
UJF Grenoble 1 - Francia
Universite Grenoble Alpes - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 3 | Boccaletti, A. | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 4 | Chauvin, Gael | Hombre |
UJF Grenoble 1 - Francia
Universite Grenoble Alpes - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 5 | Apai, Daniel | Hombre |
Space Telescope Sci Inst - Estados Unidos
STScI - Estados Unidos Space Telescope Science Institute - Estados Unidos |
| 6 | Allard, F. | Mujer |
Ctr Rech Astron Lyon - Francia
Centre de Recherche Astrophysique de Lyon - Francia |
| 7 | Ehrenreich, D. | Hombre |
UJF Grenoble 1 - Francia
Universite Grenoble Alpes - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 8 | Girard, J. H. | Hombre |
ESO - Chile
European Southern Observatory Santiago - Chile Observatorio Europeo Austral - Alemania Observatorio Europeo Austral - Chile |
| 9 | Le Mignant, D. | Hombre |
UJF Grenoble 1 - Francia
Universite Grenoble Alpes - Francia Institut de Planétologie et d’Astrophysique de Grenoble (IPAG) - Francia |
| 10 | Rouan, D. | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia L'Observatoire de Paris - Francia |
| 11 | FERNANDEZ-GONZALEZ, FELIPE JOSE | Hombre |
Observ Paris - Francia
LESIA - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique - Francia |
| 12 | Kasper, Markus | Hombre |
ESO - Alemania
Observatorio Europeo Austral - Alemania |
| Fuente |
|---|
| INSU |
| PNP |
| French Programme National de Planetologie (PNP, INSU) |
| French Programme National de Planetologie |
| Agradecimiento |
|---|
| We are gratefull to our anonymous referee for his very useful review. We would like to thank the ESO staff for his help. We acknowledge financial support from the French Programme National de Planetologie (PNP, INSU). |
| We are gratefull to our anonymous referee for his very useful review. We would like to thank the ESO staff for his help. We acknowledge financial support from the French Programme National de Planétologie (PNP, INSU). |
