Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Nortmann, Lisa"'
Autor:
Rafi, Sayyed A., Nugroho, Stevanus K., Tamura, Motohide, Nortmann, Lisa, Sánchez-López, Alejandro
Transmission spectroscopy presents one of the most successful approaches for investigating the atmospheres of exoplanets. We analyzed the near-infrared high-resolution transmission spectrum of a hot Saturn, HD 149026 b, taken using CARMENES spectrogr
Externí odkaz:
http://arxiv.org/abs/2407.01266
Autor:
Boldt-Christmas, Linn, Lesjak, Fabio, Wehrhahn, Ansgar, Piskunov, Nikolai, Rains, Adam D., Nortmann, Lisa, Kochukhov, Oleg
When observing the atmospheres of transiting exoplanets using high-resolution spectroscopy, one aims to detect well-resolved spectral features with high signal-to-noise ratios (SNR) as is possible today with modern spectrographs. However, obtaining s
Externí odkaz:
http://arxiv.org/abs/2312.08320
Publikováno v:
A&A 673, A71 (2023)
Line profiles from spatially unresolved stellar observations consist of a superposition of local line profiles that result from observing the stellar atmosphere under specific viewing angles. Line profile variability caused by stellar magnetic activi
Externí odkaz:
http://arxiv.org/abs/2303.09169
Autor:
Sedaghati, Elyar, Sánchez-López, Alejando, Czesla, Stefan, López-Puertas, Manuel, Amado, Pedro, Palle, Enric, Molaverdikhani, Karan, Caballero, José, Nortmann, Lisa, Quirrenbach, Andreas, Ribas, Ignasi, Reiners, Ansgar
Publikováno v:
A&A 659, A44 (2022)
Measurements of exoplanetary orbital obliquity angles for different classes of planets are an essential tool in testing various planet formation theories. Measurements for those transiting planets on relatively large orbital periods ($P$\,$>$\,10\,d)
Externí odkaz:
http://arxiv.org/abs/2110.10282
Autor:
Carleo, Ilaria, Youngblood, Allison, Redfield, Seth, Barris, Nuria Casasayas, Ayres, Thomas R., Vannier, Hunter, Fossati, Luca, Palle, Enric, Livingston, John H., Lanza, Antonino F., Niraula, Prajwal, Alvarado-Gómez, Julián D., Chen, Guo, Gandolfi, Davide, Guenther, Eike W., Linsky, Jeffrey L., Nagel, Evangelos, Narita, Norio, Nortmann, Lisa, Shkolnik, Evgenya L., Stangret, Monika
GJ9827 is a bright star hosting a planetary system with three transiting planets. As a multi-planet system with planets that sprawl within the boundaries of the radius gap between terrestrial and gaseous planets, GJ9827 is an optimal target to study
Externí odkaz:
http://arxiv.org/abs/2101.06277
Autor:
Nortmann, Lisa, Pallé, Enric, Salz, Michael, Sanz-Forcada, Jorge, Nagel, Evangelos, Alonso-Floriano, F. Javier, Czesla, Stefan, Yan, Fei, Chen, Guo, Snellen, Ignas A. G., Zechmeister, Mathias, Schmitt, Jürgen H. M. M., López-Puertas, Manuel, Casasayas-Barris, Núria, Bauer, Florian F., Amado, Pedro J., Caballero, José A., Dreizler, Stefan, Henning, Thomas, Lampón, Manuel, Montes, David, Molaverdikhani, Karan, Quirrenbach, Andreas, Reiners, Ansgar, Ribas, Ignasi, Sánchez-López, Alejandro, Schneider, P. Christian, Osorio, María R. Zapatero
Hot gas giant exoplanets can lose part of their atmosphere due to strong stellar irradiation, affecting their physical and chemical evolution. Studies of atmospheric escape from exoplanets have mostly relied on space-based observations of the hydroge
Externí odkaz:
http://arxiv.org/abs/1812.03119
Autor:
Parviainen, Hannu, Palle, Enric, Chen, Guo, Nortmann, Lisa, Murgas, Felipe, Nowak, Grzegorz, Aigrain, Suzanne, Booth, Alice, Abazorius, Mantas, Iro, Nicolas
Publikováno v:
A&A 609, A33 (2018)
We set out to study the atmosphere of WASP-80b, a warm inflated gas giant with an equilibrium temperature of $\sim$800~K, using ground-based transmission spectroscopy covering the spectral range from 520~to~910~nm. The observations allow us to probe
Externí odkaz:
http://arxiv.org/abs/1709.01875
Akademický článek
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Autor:
Parviainen, Hannu, Pallé, Enric, Nortmann, Lisa, Nowak, Grzegorz, Iro, Nicolas, Murgas, Felipe, Aigrain, Suzanne
Publikováno v:
A&A 585, A114 (2016)
We set to search for Rayleigh scattering and K and Na absorption signatures from the atmosphere of TrES-3b using ground-based transmission spectroscopy covering the wavelength range from 530 to 950 nm as observed with OSIRIS@GTC. Our analysis is base
Externí odkaz:
http://arxiv.org/abs/1510.04988