P
P. Christian Schneider
Researcher at University of Hamburg
Publications - 5
Citations - 238
P. Christian Schneider is an academic researcher from University of Hamburg. The author has contributed to research in topics: Exoplanet & Stars. The author has an hindex of 4, co-authored 5 publications receiving 199 citations.
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Journal ArticleDOI
Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b
Lisa Nortmann,Lisa Nortmann,Enric Palle,Enric Palle,M. Salz,Jorge Sanz-Forcada,Evangelos Nagel,F. Javier Alonso-Floriano,S. Czesla,Fei Yan,Guo Chen,Guo Chen,Guo Chen,Ignas Snellen,Mathias Zechmeister,Jürgen H. M. M. Schmitt,Manuel López-Puertas,Núria Casasayas-Barris,Núria Casasayas-Barris,F. F. Bauer,F. F. Bauer,Pedro J. Amado,Jose A. Caballero,Stefan Dreizler,Thomas Henning,M. Lampón,D. Montes,Karan Molaverdikhani,Andreas Quirrenbach,Ansgar Reiners,Ignasi Ribas,A. Sánchez-López,P. Christian Schneider,Maria Rosa Zapatero Osorio +33 more
TL;DR: Ground-based high-resolution spectroscopy detected excess absorption in the helium triplet during the transit of the Saturn-mass exoplanet WASP-69b, which is interpreted as the escape of part of the atmosphere trailing behind the planet in comet-like form.
Journal ArticleDOI
The XUV environments of exoplanets from Jupiter-size to super-Earth
George W. King,Peter J. Wheatley,M. Salz,Vincent Bourrier,S. Czesla,David Ehrenreich,James Kirk,Alain Lecavelier des Etangs,Tom Louden,Jürgen H. M. M. Schmitt,P. Christian Schneider +10 more
TL;DR: In this article, the authors present XMM-Newton observations of six nearby stars hosting transiting planets in tight orbits, wherein they characterize the XUV emission from the stars and subsequent irradiation levels at the planets.
Journal ArticleDOI
Estimating the Ultraviolet Emission of M Dwarfs with Exoplanets from Ca II and Hα
Katherine Melbourne,Allison Youngblood,Allison Youngblood,Cynthia S. Froning,J. Sebastian Pineda,Evgenya L. Shkolnik,David J. Wilson,Brian E. Wood,Sarbani Basu,Aki Roberge,Joshua E. Schlieder,P. Wilson Cauley,R. O. Parke Loyd,Elisabeth R. Newton,Adam C. Schneider,Nicole Arulanantham,Zachory K. Berta-Thompson,Alexander Brown,Andrea P. Buccino,Eliza M.-R. Kempton,Jeffrey L. Linsky,Sarah E. Logsdon,Pablo J. D. Mauas,Isabella Pagano,Sarah Peacock,Seth Redfield,Sarah Rugheimer,P. Christian Schneider,D. J. Teal,D. J. Teal,Feng Tian,Dennis Tilipman,Mariela Vieytes,Mariela Vieytes +33 more
Journal ArticleDOI
Possible Time Correlation between Jet Ejection and Mass Accretion for RW Aur A
Michihiro Takami,Tracy L. Beck,P. Christian Schneider,Hans Moritz Günther,Marc White,K. N. Grankin,Jennifer L. Karr,Youichi Ohyama,Deirdre Coffey,Deirdre Coffey,Hauyu Baobab Liu,Roberto Galván-Madrid,Chun-Fan Liu,Misato Fukagawa,Nadine Manset,Wen Ping Chen,Tae-Soo Pyo,Hsien Shang,Thomas P. Ray,Masaaki Otsuka,Mei-Yin Chou +20 more
TL;DR: In this article, the authors performed long-term monitoring observations of jet imaging in the [Fe II] 1.644-micron emission line using Gemini-NIFS and VLT-SINFONI; optical high-resolution spectroscopy using CFHT-ESPaDOnS; and V-band photometry using the CrAO 1.25m telescope and AAVSO.