Transits of HD40307b by Spitzer : J/A+A/518/A25

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Authors : Gillon M. orcid , Deming D., Demory B.-O. (hide) , Deming D., Demory B.-O. et..al

VizieR DOI : 10.26093/cds/vizier.35180025
Bibcode : 2010A&A...518A..25G (ADS) (Simbad) (Objects)
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CDS Keywords : Binaries, eclipsing; Photometry, millimetric/submm
UAT : Eclipsing binary stars, Millimeter astronomy, Photometry, Submillimeter astronomy

Observation (OC)

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Inserted into VizieR : 29-Aug-2010
Last modification :

The Spitzer search for the transits of HARPS low-mass planets. I. No transit for the super-Earth HD40307b. (2010)

Keywords : binaries eclipsing - planetary systems - stars: individual: HD 40307 - techniques: photometric

Abstract:We used Spitzer and its IRAC camera to search for the transit of the super-Earth HD 40307b. The hypothesis that the planet transits could not be firmly discarded from our first photometric monitoring of a transit window because of the uncertainty coming from the modeling of the photometric baseline. To obtain a firm result, two more transit windows were observed and a global Bayesian analysis of the three IRAC time series and the HARPS radial velocities was performed. Unfortunately, the hypothesis that the planet transited during the observed phase window is firmly rejected, while the probability that the planet does transit but that the eclipse was missed by our observations is nearly negligible (0.26%) ...(more)
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Astronomy and Astrophysics policies
Mickael Gillon, michael.gillon(at)ulg.ac.be

                


                

                    

                


                

                    

                


                

                    
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