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1. The GAPS programme at TNG. LVII. TOI-5076b: A warm sub-Neptune planet orbiting a thin-to-thick-disk transition star in a wide binary system

Author

Montalto, M., Greco, N., Biazzo, K., Desidera, S., Andreuzzi, G., Bieryla, A., Bignamini, A., Bonomo, A. S., Briceño, C., Cabona, L., Cosentino, R., Damasso, M., Fiorenzano, A., Fong, W., Goeke, B., Hesse, K. M., Kostov, V. B., Lanza, A. F., Latham, D. W., Law, N., Mancini, L., Maggio, A., Molinaro, M., Mann, A. W., Mantovan, G., Naponiello, L., Nardiello, D., Nascimbeni, V., Pagano, I., Pedani, M., Safonov, B. S., Scandariato, G., Seager, S., Singh, V., Sozzetti, A., Strakhov, I. A., Winn, J. N., Ziegler, C., and Zingales, T.

Subjects
Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics
Abstract

Aims. We report the confirmation of a new transiting exoplanet orbiting the star TOI-5076. Methods. We present our vetting procedure and follow-up observations which led to the confirmation of the exoplanet TOI-5076b. In particular, we employed high-precision {\it TESS} photometry, high-angular-resolution imaging from several telescopes, and high-precision radial velocities from HARPS-N. Results. From the HARPS-N spectroscopy, we determined the spectroscopic parameters of the host star: T$\rm_{eff}$=(5070$\pm$143) K, log~g=(4.6$\pm$0.3), [Fe/H]=(+0.20$\pm$0.08), and [$\alpha$/Fe]=0.05$\pm$0.06. The transiting planet is a warm sub-Neptune with a mass m$\rm_p=$(16$\pm$2) M$\rm_{\oplus}$, a radius r$\rm_p=$(3.2$\pm$0.1)~R$\rm_{\oplus}$ yielding a density $\rho_p$=(2.8$\pm$0.5) g cm$^{-3}$. It revolves around its star approximately every 23.445 days. Conclusions. The host star is a metal-rich, K2V dwarf, located at about 82 pc from the Sun with a radius of R$_{\star}$=(0.78$\pm$0.01) R$_{\odot}$ and a mass of M$_{\star}$=(0.80$\pm$0.07) M$_{\odot}$. It forms a common proper motion pair with an M-dwarf companion star located at a projected separation of 2178 au. The chemical analysis of the host-star and the Galactic-space velocities indicate that TOI-5076 belongs to the old population of thin-to-thick-disk transition stars. The density of TOI-5076b suggests the presence of a large fraction by volume of volatiles overlying a massive core. We found that a circular orbit solution is marginally favored with respect to an eccentric orbit solution for TOI-5076b., Comment: Accepted by Astronomy & Astrophysics: 15 pages, 19 figures, 4 tables

Published
2024

2. HATS-71b: A giant planet transiting an M3 dwarf star in TESS Sector 1

Author

Bakos, G. Á., Bayliss, D., Bento, J., Bhatti, W., Brahm, R., Csubry, Z., Espinoza, N., Hartman, J. D., Henning, Th., Jordán, A., Mancini, L., Penev, K., Rabus, M., Sarkis, P., Suc, V., de Val-Borro, M., Zhou, G., Butler, R. P., Crane, J., Durkan, S., Shectman, S., Kim, J., Lázár, J., Papp, I., Sári, P., Ricker, G., Vanderspek, R., Latham, D. W., Seager, S., Winn, J. N., Jenkins, J., Chacon, A. D., Fűrész, G., Goeke, B., Li, J., Quinn, S., Quintana, E. V., Tenenbaum, P., Teske, J., Vezie, M., Yu, L., Stockdale, C., Evans, P., and Relles, H. M.

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

We report the discovery of HATS-71b, a transiting gas giant planet on a P = 3.7955 day orbit around a G = 15.35 mag M3 dwarf star. HATS-71 is the coolest M dwarf star known to host a hot Jupiter. The loss of light during transits is 4.7%, more than any other confirmed transiting planet system. The planet was identified as a candidate by the ground-based HATSouth transit survey. It was confirmed using ground-based photometry, spectroscopy, and imaging, as well as space-based photometry from the NASA TESS mission (TIC 234523599). Combining all of these data, and utilizing Gaia DR2, we find that the planet has a radius of $1.080 \pm 0.016 R_J$ and mass of $0.45 \pm 0.24 M_J$ (95% confidence upper limit of $0.81 M_J$ ), while the star has a mass of $0.569 \pm^{0.042}_{0.069}\,M_\odot$ and a radius of $0.5161\pm^{0.0053}_{0.0099}\,R_\odot$. The Gaia DR2 data show that HATS-71 lies near the binary main sequence in the Hertzsprung-Russell diagram, suggesting that there may be an unresolved stellar binary companion. All of the available data is well fitted by a model in which there is a secondary star of mass $0.24 M_\odot$, although we caution that at present there is no direct spectroscopic or imaging evidence for such a companion. Even if there does exist such a stellar companion, the radius and mass of the planet would be only marginally different from the values we have calculated under the assumption that the star is single., Comment: Submitted to AJ

Published
2018

3. Pankreaserkrankungen

Author

Wagner, A.C.C., Göke, B., Steinbeck, Gerhard, editor, Paumgartner, Gustav, editor, Brandt, T., editor, Göke, B., editor, Greten, N., editor, Hiddemann, W., editor, Lode, H., editor, Mann, K., editor, Riess, H., editor, Risler, T., editor, Schattenkirchner, M., editor, Seeger, W., editor, and Wehling, M., editor

Published
2005
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31. Autorenverzeichnis

Author

Domschke, W., primary, Berger, M., additional, Hohenberger, W., additional, Meinertz, T., additional, Vogelmeier, C., additional, Domschke, W., additional, Sauerbruch, T., additional, Kramer, H.J., additional, Müller, S.C., additional, Serve, H., additional, Weber, M.M., additional, Göke, B., additional, Kalden, J.R., additional, Manger, B., additional, Rascher, W., additional, Appenrodt, B., additional, Atta, J., additional, Auernhammer, C., additional, Autenrieth, I.B., additional, Avenhaus, W., additional, Backmund, M., additional, Bausewein, C., additional, Behr, J., additional, Behrens, A., additional, Berner, R., additional, Berr, F., additional, Blank, N., additional, Blind, E., additional, Bockhorn, M., additional, Bokemeyer, D., additional, Böhm, M., additional, Bönner, G., additional, Borasio, G.D., additional, Bork, K., additional, Braun, J., additional, Bruch, H.-P., additional, Brümmendorf, T.H., additional, Brunnberg, U., additional, Brüwer, M., additional, Büchler, M.W., additional, Detter, C., additional, Diederich, S., additional, Diehm, C., additional, Distler, J., additional, Domagk, D., additional, Dörner, T., additional, Dörr, H.-G., additional, Dralle, H., additional, Dreyling, M., additional, Ehlebracht-König, I., additional, Ell, C., additional, Enzensberger, W., additional, Epple, H.-J., additional, Fassnacht, M., additional, Feußner, H., additional, Fiegel, P., additional, Fisang, C., additional, Filipas, D., additional, Fischbach, W., additional, Flamme, C.H., additional, Floege, J., additional, Fölsch, U.R., additional, Fottner, C., additional, Frank, W., additional, Frey, N., additional, Friese, K., additional, Frilling, A., additional, Fröhner, M., additional, Frühmorgen, P., additional, Galle, P.R., additional, Geidel, S., additional, Genth, E., additional, Gingelmaier, A., additional, Goebel, F.-D., additional, Gökbuget, N., additional, Göke, R., additional, Grabitz, K., additional, Grünke, M., additional, Hahner, S., additional, Handrick, W., additional, Hasslacher, C., additional, Heidbreder, E., additional, Heindel, W., additional, Heinemann, V., additional, Heitmann, J., additional, Heiß, H.W., additional, Hof, H., additional, Hering, L., additional, Hiller, E., additional, Hirner, A., additional, Hofmann, W.-K., additional, Holler, E., additional, Hölscher, A.H., additional, Holtmann, G., additional, Hölzen, J., additional, Honegger, J., additional, Hörle, S., additional, Hörmann, K., additional, Hörmann, R., additional, Hornke, I., additional, Huber, R.M., additional, Hübner, J., additional, Hummel, R., additional, Irmscher, S., additional, Jelinek, T., additional, Jonas, S., additional, Jost, E., additional, Jung, H.H., additional, Kahaly, G.J., additional, Karaus, M., additional, Katsoulis, S., additional, Katus, H., additional, Kessler, H.P., additional, Kiehne, K., additional, Kiess, W., additional, Kindermann, M., additional, von Kodolitsch, Y., additional, Köhler, H., additional, Köhler, L., additional, Köhler, M., additional, Kohne, E., additional, Kolb, H.-J., additional, Köninger, J., additional, Koop, K., additional, Köster, R., additional, Kötter, I., additional, Kramer, H.J.J., additional, Kremer, B., additional, Kroll, P., additional, Kuipers, J.G., additional, Lammert, F., additional, Langer, M., additional, Laukötter, M., additional, Lehnert, H., additional, Lembcke, B., additional, Lerch, M.M., additional, Liebe, S., additional, Lieber, A., additional, Loddenkemper, R., additional, Löhr, M., additional, Lorenz, H.-M., additional, Lorenz, J., additional, Löscher, T., additional, Luster, M., additional, Lux, G., additional, Mann, K., additional, Mayerle, J., additional, Merle, U., additional, Meyer, H.-J., additional, Möbius, C., additional, Moehler, M., additional, Mönnikes, H., additional, Mössner, J., additional, Müller, S.A., additional, Musholt, T.J., additional, Nattermann, J., additional, Neubrand, M., additional, Neuhaus, P., additional, Neundörfer, B., additional, Nicolai, T., additional, Nolde, J., additional, Olschewski, H., additional, Ostermeyer, J., additional, Ott, C., additional, Pahernik, S., additional, Pankratius, U., additional, Parhofer, K.G., additional, Passlick, B., additional, Pech, O., additional, Pfaffenbach, B., additional, Pfeiffer, T., additional, Pilatz, A., additional, Pohle, T., additional, Pohl-Koppe, A., additional, Ponto, Katharina A., additional, Prange, H., additional, Pruß, A., additional, Rädle, J., additional, Rauch, B., additional, Raue, F., additional, Reichel, C., additional, Reindl, C., additional, Reißfelder, C., additional, Rendl, Dipl.-Phys. J., additional, Rietschel, E., additional, Rijcken, E., additional, Roos, R., additional, Rudofsky†, G., additional, Samtleben, W., additional, Sandmann, W., additional, Sauter, G., additional, Schaal, K.P., additional, Schaefer, J.R., additional, Schäfer-Graf, U., additional, Schepp, W., additional, Schlemmer, M., additional, Schliep, S., additional, Schmidt, H., additional, Schmied, B., additional, Schmiegel, W., additional, Schießl, A., additional, Schmid, A., additional, Schneider, A., additional, Schneider, T., additional, Schölmerich, J., additional, Scholz, H., additional, Schönermarck, U., additional, Schopohl, J., additional, Schrezenmeier, H., additional, Schulze-Koops, H., additional, Schuppan, D., additional, Schuster, V., additional, Schüßler, G., additional, Schwandner, O., additional, Schwarz, T.F., additional, Secknus, R., additional, Senninger, N., additional, Sezer, O., additional, Simmen, B.R., additional, Spengler, U., additional, Stabenow-Lohbauer, U., additional, Stebler, R., additional, Steven, D., additional, Sticherling, M., additional, Strauch, U., additional, Stremmel, C., additional, Stremmel, W., additional, Stuck, B.A., additional, Stürz, H., additional, Taube, C., additional, Thulesius, O., additional, Thurau, K., additional, Thüroff, J.W., additional, Tomiak, C., additional, Uhl, W., additional, Vallböhmer, D., additional, Vogel, T., additional, von den Driesch, P., additional, Wagenlehner, F.M.E., additional, Wagner, A., additional, Wagner, U., additional, Weber, K., additional, Weidner, W., additional, Weinke, T., additional, Weis-Müller, B.T., additional, Weiß, M., additional, Willems, S., additional, Wintergerst, U., additional, Wirth, M., additional, Wolkersdörfer, G.W., additional, and Zeitz, M., additional

Published
2011
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