TESS News and Results

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Re: TESS News and Results

Post by Sirius_Alpha on 6th November 2018, 10:33 pm

Another paper on HD 1397. I don't know what's up with arXiv tonight but I'm getting a "no updates found" message for the "new" postings. All postings can be seen if you just browse by year/month.

HD 1397b: a transiting warm giant planet orbiting a V = 7.8 mag sub-giant star discovered by TESS
https://arxiv.org/abs/1811.02156

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Re: TESS News and Results

Post by Sirius_Alpha on 14th November 2018, 9:55 pm

HD2685 b: A Hot-Jupiter orbiting an early F-type star detected by TESS
https://arxiv.org/abs/1811.05518

We report on the confirmation of a transiting giant planet around the relatively hot (Teff = 6801 56 K) star HD2685, whose transit signal was detected in Sector 1 data of the TESS mission. We confirmed the planetary nature of the transit signal by using Doppler velocimetric measurements with CHIRON, CORALIE and FEROS, as well as photometric data with CHAT and LCOGT. From the photometry and radial velocities joint analysis, we derived the following parameters for HD2685 b: P=4.126920.00004 days, MP=1.18 0.09 MJ and RP=1.44 0.01 RJ. This system is a typical example of an inflated transiting Hot-Jupiter in a circular orbit. Given the host star apparent visual magnitude (V = 9.6 mag), this is one of the brightest known stars hosting a transiting Hot-Jupiter, and a good example of the upcoming systems that will be detected by TESS during the two-year primary mission. This is also an excellent target for future ground and space based atmospheric characterization as well as a good candidate for measuring the projected spin-orbit misalignment angle via the Rossiter-McLaughlin effect.

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