Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Setiawan, Johny"'
Autor:
Albrecht, Simon, Winn, Joshua N., Torres, Guillermo, Fabrycky, Daniel C., Setiawan, Johny, Gillon, Michael, Jehin, Emmanuel, Triaud, Amaury, Queloz, Didier, Snellen, Ignas, Eggleton, Peter
As part of the BANANA project (Binaries Are Not Always Neatly Aligned), we have found that the eclipsing binary CV Velorum has misaligned rotation axes. Based on our analysis of the Rossiter-McLaughlin effect, we find sky-projected spin-orbit angles
Externí odkaz:
http://arxiv.org/abs/1403.0583
With observations of the EP Cru system, we continue our series of measurements of spin-orbit angles in eclipsing binary star systems, the BANANA project (Binaries Are Not Always Neatly Aligned). We find a close alignment between the sky projections o
Externí odkaz:
http://arxiv.org/abs/1211.7065
Autor:
Mason, Elena, Ederoclite, Alessandro, Williams, Robert E., Della Valle, Massimo, Setiawan, Johny
We present optical and NIR spectroscopic observations of U Sco 2010 outburst. From the analysis of lines profiles we identify a broad and a narrow component and show that the latter originates from the reforming accretion disk. We show that the accre
Externí odkaz:
http://arxiv.org/abs/1207.0424
Autor:
Sicilia-Aguilar, Aurora, Kóspál, Ágnes, Setiawan, Johny, Ábrahám, Péter, Dullemond, Cornelis, Eiroa, Carlos, Goto, Miwa, Henning, Thomas, Júhasz, Attila
We explore the accretion mechanisms in EX Lupi, prototype of EXor variables, during its quiescence and outburst phases. We analyse high-resolution optical spectra taken before, during, and after its 2008 outburst. In quiescence and outburst, the star
Externí odkaz:
http://arxiv.org/abs/1206.3081
Autor:
Setiawan, Johny, Klement, Rainer J., Henning, Thomas, Rix, Hans-Walter, Rochau, Boyke, Rodmann, Jens, Schulze-Hartung, Tim, Heidelberg, MPIA, Noordwijk, ESTEC
Publikováno v:
Science Express, 18 November 2010
Stars in their late stage of evolution, such as Horizontal Branch stars, are still largely unexplored for planets. We report the detection of a planetary companion around HIP 13044, a very metal-poor star on the red Horizontal Branch, based on radial
Externí odkaz:
http://arxiv.org/abs/1011.6376
Autor:
Klement, Rainer J., Setiawan, Johny, Henning, Thomas, Rix, Hans-Walter, Rochau, Boyke, Rodmann, Jens, Schulze-Hartung, Tim, Heidelberg, MPIA, ESTEC
We report the detection of a planetary companion around HIP 13044, a metal-poor red horizontal branch star belonging to a stellar halo stream that results from the disruption of an ancient Milky Way satellite galaxy. The detection is based on radial
Externí odkaz:
http://arxiv.org/abs/1011.4938
Stellar rotation is a crucial parameter driving stellar magnetism, activity and mixing of chemical elements. Furthermore, the evolution of stellar rotation is coupled to the evolution of circumstellar disks. Disk-braking mechanisms are believed to be
Externí odkaz:
http://arxiv.org/abs/1005.0984
Autor:
Weldrake, David T. F., Bayliss, Daniel D. R., Sackett, Penny D., Tingley, Brandon W., Gillon, Michael, Setiawan, Johny
We present a strong case for a transiting Hot Jupiter planet identified during a single-field transit survey towards the Lupus Galactic plane. The object, Lupus-TR-3b, transits a V=17.4 K1V host star every 3.91405d. Spectroscopy and stellar colors in
Externí odkaz:
http://arxiv.org/abs/0711.1746
We present preliminary results on the radial velocity follow-up of a planetary transit candidate (P=2.43d, V=15.4) detected during the MACHO project. The photometry is consistent with a grazing transit of an object with radius >=1.8RJ orbiting a K dw
Externí odkaz:
http://arxiv.org/abs/astro-ph/0612214
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