Bauer, Florian F.

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[["dc.bibliographiccitation.firstpage","A50"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","640"],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Zechmeister, M."],["dc.contributor.author","Kaminski, A."],["dc.contributor.author","Rodríguez López, C."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Azzaro, M."],["dc.contributor.author","Stahl, O."],["dc.contributor.author","Kossakowski, D."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Becerril Jarque, S."],["dc.contributor.author","Rodríguez, E."],["dc.contributor.author","Amado, P. J."],["dc.contributor.author","Seifert, W."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Schäfer, S."],["dc.contributor.author","Ribas, I."],["dc.contributor.author","Béjar, V. J. S."],["dc.contributor.author","Cortés-Contreras, M."],["dc.contributor.author","Dreizler, S."],["dc.contributor.author","Hatzes, A."],["dc.contributor.author","Henning, T."],["dc.contributor.author","Jeffers, S. V."],["dc.contributor.author","Kürster, M."],["dc.contributor.author","Lafarga, M."],["dc.contributor.author","Montes, D."],["dc.contributor.author","Morales, J. C."],["dc.contributor.author","Schmitt, J. H. M. M."],["dc.contributor.author","Schweitzer, A."],["dc.contributor.author","Solano, E."],["dc.date.accessioned","2021-04-14T08:24:23Z"],["dc.date.available","2021-04-14T08:24:23Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1051/0004-6361/202038031"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/81267"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1432-0746"],["dc.relation.issn","0004-6361"],["dc.title","The CARMENES search for exoplanets around M dwarfs"],["dc.title.alternative","Measuring precise radial velocities in the near infrared: The example of the super-Earth CD Cet b"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

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[["dc.bibliographiccitation.firstpage","A13"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","636"],["dc.contributor.author","Lampón, M."],["dc.contributor.author","López-Puertas, M."],["dc.contributor.author","Lara, L. M."],["dc.contributor.author","Sánchez-López, A."],["dc.contributor.author","Salz, M."],["dc.contributor.author","Czesla, S."],["dc.contributor.author","Sanz-Forcada, J."],["dc.contributor.author","Molaverdikhani, K."],["dc.contributor.author","Alonso-Floriano, F. J."],["dc.contributor.author","Nortmann, L."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Pallé, E."],["dc.contributor.author","Montes, D."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Nagel, E."],["dc.contributor.author","Ribas, I."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Amado, P. J."],["dc.date.accessioned","2020-12-10T18:11:54Z"],["dc.date.available","2020-12-10T18:11:54Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1051/0004-6361/201937175"],["dc.identifier.eissn","1432-0746"],["dc.identifier.issn","0004-6361"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/74181"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Modelling the He I triplet absorption at 10 830 Å in the atmosphere of HD 209458 b"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","A129"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","647"],["dc.contributor.author","Lampón, M."],["dc.contributor.author","López-Puertas, M."],["dc.contributor.author","Sanz-Forcada, J."],["dc.contributor.author","Sánchez-López, A."],["dc.contributor.author","Molaverdikhani, K."],["dc.contributor.author","Czesla, S."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Pallé, E."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Henning, T."],["dc.contributor.author","Salz, M."],["dc.contributor.author","Nortmann, L."],["dc.contributor.author","Aceituno, J."],["dc.contributor.author","Amado, P. J."],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Montes, D."],["dc.contributor.author","Nagel, E."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Ribas, I."],["dc.date.accessioned","2021-04-14T08:28:33Z"],["dc.date.available","2021-04-14T08:28:33Z"],["dc.date.issued","2021"],["dc.identifier.doi","10.1051/0004-6361/202039417"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82641"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1432-0746"],["dc.relation.issn","0004-6361"],["dc.title","Modelling the He I triplet absorption at 10 830 Å in the atmospheres of HD 189733 b and GJ 3470 b"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","A97"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","620"],["dc.contributor.author","Salz, M."],["dc.contributor.author","Czesla, S."],["dc.contributor.author","Schneider, P. C."],["dc.contributor.author","Nagel, E."],["dc.contributor.author","Schmitt, J. H. M. M."],["dc.contributor.author","Nortmann, L."],["dc.contributor.author","Alonso-Floriano, F. J."],["dc.contributor.author","López-Puertas, M."],["dc.contributor.author","Lampón, M."],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Snellen, I. A. G."],["dc.contributor.author","Pallé, E."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Yan, F."],["dc.contributor.author","Chen, G."],["dc.contributor.author","Sanz-Forcada, J."],["dc.contributor.author","Amado, P. J."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Ribas, I."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Béjar, V. J. S."],["dc.contributor.author","Casasayas-Barris, N."],["dc.contributor.author","Cortés-Contreras, M."],["dc.contributor.author","Dreizler, S."],["dc.contributor.author","Guenther, E. W."],["dc.contributor.author","Henning, T."],["dc.contributor.author","Jeffers, S. V."],["dc.contributor.author","Kaminski, A."],["dc.contributor.author","Kürster, M."],["dc.contributor.author","Lafarga, M."],["dc.contributor.author","Lara, L. M."],["dc.contributor.author","Molaverdikhani, K."],["dc.contributor.author","Montes, D."],["dc.contributor.author","Morales, J. C."],["dc.contributor.author","Sánchez-López, A."],["dc.contributor.author","Seifert, W."],["dc.contributor.author","Zapatero Osorio, M. R."],["dc.contributor.author","Zechmeister, M."],["dc.date.accessioned","2020-12-10T18:11:43Z"],["dc.date.available","2020-12-10T18:11:43Z"],["dc.date.issued","2018"],["dc.identifier.doi","10.1051/0004-6361/201833694"],["dc.identifier.eissn","1432-0746"],["dc.identifier.issn","0004-6361"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/74117"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Detection of He I λ10830 Å absorption on HD 189733 b with CARMENES high-resolution transmission spectroscopy"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","A24"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","632"],["dc.contributor.author","Fuhrmeister, B."],["dc.contributor.author","Czesla, S."],["dc.contributor.author","Hildebrandt, L."],["dc.contributor.author","Nagel, E."],["dc.contributor.author","Schmitt, J. H. M. M."],["dc.contributor.author","Hintz, D."],["dc.contributor.author","Johnson, E. N."],["dc.contributor.author","Sanz-Forcada, J."],["dc.contributor.author","Schöfer, P."],["dc.contributor.author","Jeffers, S. V."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Zechmeister, M."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Ribas, I."],["dc.contributor.author","Amado, P. J."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Béjar, V. J. S."],["dc.contributor.author","Cortés-Contreras, M."],["dc.contributor.author","Díez-Alonso, E."],["dc.contributor.author","Dreizler, S."],["dc.contributor.author","Galadí-Enríquez, D."],["dc.contributor.author","Günther, E. W."],["dc.contributor.author","Kaminski, A."],["dc.contributor.author","Kürster, M."],["dc.contributor.author","Lafarga, M."],["dc.contributor.author","Montes, D."],["dc.date.accessioned","2020-04-06T07:56:28Z"],["dc.date.available","2020-04-06T07:56:28Z"],["dc.date.issued","2019-11-01"],["dc.description.abstract","The He I infrared (IR) triplet at 10830 AA is an important activity indicator for the Sun and in solar-type stars, however, it has rarely been studied in relation to M dwarfs to date. In this study, we use the time-averaged spectra of 319 single stars with spectral types ranging from M0.0 V to M9.0 V obtained with the CARMENES high resolution optical and near-infrared spectrograph at Calar Alto to study the properties of the He I IR triplet lines. In quiescence, we find the triplet in absorption with a decrease of the measured pseudo equivalent width (pEW) towards later sub-types. For stars later than M5.0 V, the He I triplet becomes undetectable in our study. This dependence on effective temperature may be related to a change in chromospheric conditions along the M dwarf sequence. When an emission in the triplet is observed, we attribute it to flaring. The absence of emission during quiescence is consistent with line formation by photo-ionisation and recombination, while flare emission may be caused by collisions within dense material. The He I triplet tends to increase in depth according to increasing activity levels, ultimately becoming filled in; however, we do not find a correlation between the pEW(He IR) and X-ray properties. This behaviour may be attributed to the absence of very inactive stars ($L_{\\rm X}/L_{\\rm bol}$ < -5.5) in our sample or to the complex behaviour with regard to increasing depth and filling in."],["dc.identifier.arxiv","1911.00246v1"],["dc.identifier.doi","10.1051/0004-6361/201936193"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63790"],["dc.relation.issn","0004-6361"],["dc.relation.issn","1432-0746"],["dc.title","The CARMENES search for exoplanets around M dwarfs"],["dc.title.subtitle","The He I triplet at 10830 Å across the M dwarf sequence"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","A69"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","641"],["dc.contributor.author","Baroch, D."],["dc.contributor.author","Morales, J. C."],["dc.contributor.author","Ribas, I."],["dc.contributor.author","Herrero, E."],["dc.contributor.author","Rosich, A."],["dc.contributor.author","Perger, M."],["dc.contributor.author","Anglada-Escudé, G."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Amado, P. J."],["dc.contributor.author","Jeffers, S. V."],["dc.contributor.author","Cifuentes, C."],["dc.contributor.author","Passegger, V. M."],["dc.contributor.author","Schweitzer, A."],["dc.contributor.author","Lafarga, M."],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Béjar, V. J. S."],["dc.contributor.author","Colomé, J."],["dc.contributor.author","Cortés-Contreras, M."],["dc.contributor.author","Dreizler, S."],["dc.contributor.author","Galadí-Enríquez, D."],["dc.contributor.author","Hatzes, A. P."],["dc.contributor.author","Henning, Th."],["dc.contributor.author","Kaminski, A."],["dc.contributor.author","Kürster, M."],["dc.contributor.author","Montes, D."],["dc.contributor.author","Rodríguez-López, C."],["dc.contributor.author","Zechmeister, M."],["dc.date.accessioned","2021-04-14T08:23:09Z"],["dc.date.available","2021-04-14T08:23:09Z"],["dc.date.issued","2020"],["dc.identifier.doi","10.1051/0004-6361/202038213"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/80811"],["dc.notes.intern","DOI Import GROB-399"],["dc.relation.eissn","1432-0746"],["dc.relation.issn","0004-6361"],["dc.title","The CARMENES search for exoplanets around M dwarfs"],["dc.title.alternative","Convective shift and starspot constraints from chromatic radial velocities"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","A69"],["dc.bibliographiccitation.journal","Astronomy and Astrophysics"],["dc.bibliographiccitation.volume","632"],["dc.contributor.author","Yan, F."],["dc.contributor.author","Casasayas-Barris, N."],["dc.contributor.author","Molaverdikhani, K."],["dc.contributor.author","Alonso-Floriano, F. J."],["dc.contributor.author","Reiners, A."],["dc.contributor.author","Palle, E."],["dc.contributor.author","Henning, Th."],["dc.contributor.author","Mollière, P."],["dc.contributor.author","Chen, G."],["dc.contributor.author","Nortmann, L."],["dc.contributor.author","Snellen, I. A. G."],["dc.contributor.author","Ribas, I."],["dc.contributor.author","Quirrenbach, A."],["dc.contributor.author","Caballero, J. A."],["dc.contributor.author","Amado, P. J."],["dc.contributor.author","Azzaro, M."],["dc.contributor.author","Bauer, F. F."],["dc.contributor.author","Cortés Contreras, M."],["dc.contributor.author","Czesla, S."],["dc.contributor.author","Khalafinejad, S."],["dc.contributor.author","Lara, L. M."],["dc.contributor.author","López-Puertas, M."],["dc.contributor.author","Montes, D."],["dc.contributor.author","Nagel, E."],["dc.contributor.author","Oshagh, M."],["dc.contributor.author","Sánchez-López, A."],["dc.contributor.author","Stangret, M."],["dc.contributor.author","Zechmeister, M."],["dc.date.accessioned","2020-04-06T07:20:35Z"],["dc.date.available","2020-04-06T07:20:35Z"],["dc.date.issued","2019-11-01"],["dc.description.abstract","Ultra-hot Jupiters are emerging as a new class of exoplanets. Studying their chemical compositions and temperature structures will improve the understanding of their mass loss rate as well as their formation and evolution. We present the detection of ionized calcium in the two hottest giant exoplanets - KELT-9b and WASP-33b. By utilizing transit datasets from CARMENES and HARPS-N observations, we achieved high confidence level detections of Ca II using the cross-correlation method. We further obtain the transmission spectra around the individual lines of the Ca II H&K doublet and the near-infrared triplet, and measure their line profiles. The Ca II H&K lines have an average line depth of 2.02 $\\pm$ 0.17 % (effective radius of 1.56 Rp) for WASP-33b and an average line depth of 0.78 $\\pm$ 0.04 % (effective radius of 1.47 Rp) for KELT-9b, which indicates that the absorptions are from very high upper atmosphere layers close to the planetary Roche lobes. The observed Ca II lines are significantly deeper than the predicted values from the hydrostatic models. Such a discrepancy is probably a result of hydrodynamic outflow that transports a significant amount of Ca II into the upper atmosphere. The prominent Ca II detection with the lack of significant Ca I detection implies that calcium is mostly ionized in the upper atmospheres of the two planets."],["dc.identifier.arxiv","1911.00380v1"],["dc.identifier.doi","10.1051/0004-6361/201936396"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63758"],["dc.relation.issn","0004-6361"],["dc.relation.issn","1432-0746"],["dc.title","Ionized calcium in the atmospheres of two ultra-hot exoplanets WASP-33b and KELT-9b"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]