Zobrazeno 1 - 10
of 1 201
pro vyhledávání: '"JøRgensen U"'
Autor:
Jaimes, R. Figuera, Catelan, M., Horne, K., Skottfelt, J., Snodgrass, C., Dominik, M., Jørgensen, U. G., Southworth, J., Hundertmark, M., Longa-Peña, P., Sajadian, S., Tregolan-Reed, J., Hinse, T. C., Andersen, M. I., Bonavita, M., Bozza, V., Burgdorf, M. J., Haikala, L., Khalouei, E., Korhonen, H., Peixinho, N., Rabus, M., Rahvar, S.
Context. High frame-rate imaging was employed to mitigate the effects of atmospheric turbulence (seeing) in observations of globular cluster Terzan 5. Aims. High-precision time-series photometry has been obtained with the highest angular resolution s
Externí odkaz:
http://arxiv.org/abs/2406.18733
Autor:
Hinse, T. C., Baştürk, O., Southworth, J., Feiden, G. A., Tregloan-Reed, J., Kostov, V. B., Livingston, J., Esmer, E. M., Yılmaz, Mesut, Yalçınkaya, Selçuk, Torun, Şeyma, Vos, J., Evans, D. F., Morales, J. C., Wolf, J. C. A., Olsen, E. H., Clausen, J. V., Helt, B. E., Lý, C. T. K., Stahl, O., Wells, R., Herath, M., Jørgensen, U. G., Dominik, M., Skottfelt, J., Peixinho, N., Longa-Peña, P., Kim, Y., Kim, H. -E., Yoon, T. S., Alrebdi, H. I., Zotos, E. E.
The binary star NY Hya is a bright, detached, double-lined eclipsing system with an orbital period of just under five days with two components each nearly identical to the Sun and located in the solar neighbourhood. The objective of this study is to
Externí odkaz:
http://arxiv.org/abs/2404.08594
Autor:
Rota, P., Bozza, V., Hundertmark, M., Bachelet, E., Street, R., Tsapras, Y., Cassan, A., Dominik, M., Jaimes, R. Figuera, Rybicki, K. A., Wambsganss, J., Wyrzykowski, L., Zielinski, P., Bonavita, M., Hinse, T. C., Jorgensen, U. G., Khalouei, E., Korhonen, H., Longa-Pena, P., Peixinho, N., Rahvar, S., Sajadian, S., Skottfelt, J., Snodgrass, C., Tregolan-Reed, J.
Publikováno v:
A&A 686, A173 (2024)
Context. Gravitational microlensing is a method that is used to discover planet-hosting systems at distances of several kiloparsec in the Galactic disk and bulge. We present the analysis of a microlensing event reported by the Gaia photometric alert
Externí odkaz:
http://arxiv.org/abs/2404.05078
Autor:
Biagiotti, F., Mancini, L., Southworth, J., Tregloan-Reed, J., Naponiello, L., Jørgensen, U. G., Bach-Møller, N., Basilicata, M., Bonavita, M., Bozza, V., Burgdorf, M. J., Dominik, M., Jaimes, R. Figuera, Henning, Th., Hinse, T. C., Hundertmark, M., Khalouei, E., Longa-Peña, P., Peixinho, N., Rabus, M., Rahvar, S., Sajadian, S., Skottfelt, J., Snodgrass, C., Jongen, Y., Vignes, J. -P.
Our aim in this paper is to refine the orbital and physical parameters of the HATS-2 planetary system and study transit timing variations and atmospheric composition thanks to transit observations that span more than ten years and that were collected
Externí odkaz:
http://arxiv.org/abs/2403.04476
Autor:
Barkaoui, K., Timmermans, M., Soubkiou, A., Rackham, B. V., Burgasser, A. J., Chouqar, J., Pozuelos, F. J., Collins, K. A., Howell, S. B., Simcoe, R., Melis, C., Stassun, K. G., Tregloan-Reed, J., Cointepas, M., Gillon, M., Bonfils, X., Furlan, E., Gnilka, C. L., Almenara, J. M., Alonso, R., Benkhaldoun, Z., Bonavita, M., Bouchy, F., Burdanov, A., Chinchilla, P., Davoudi, F., Delrez, L., Demangeon, O., Dominik, M., Demory, B. -O., de Wit, J., Dransfield, G., Ducrot, E., Fukui, A., Hinse, T. C., Hooton, M. J., Jehin, E., Jenkins, J. M., Jørgensen, U. G., Latham, D. W., Garcia, L., Carrazco-Gaxiola, S., Ghachoui, M., Chew, Y. Gómez Maqueo, Günther, M. N., McCormac, J., Murgas, F., Murray, C. A., Narita, N., Niraula, P., Pedersen, P. P., Queloz, D., Rebolo-López, R., Ricker, G., Sabin, L., Sajadian, S., Schanche, N., Schwarz, R. P., Seager, S., Sebastian, D., Sefako, R., Sohy, S., Southworth, J., Srdoc, G., Thompson, S. J., Triaud, A. H. M. J., Vanderspek, R., Wells, R. D., Winn, J. N., Zúñiga-Fernández, S.
We present the discovery and validation of two TESS exoplanets orbiting nearby M dwarfs: TOI-2084b, and TOI-4184b. We characterized the host stars by combining spectra from Shane/Kast and Magellan/FIRE, SED (Spectral Energy Distribution) analysis, an
Externí odkaz:
http://arxiv.org/abs/2306.15095
Autor:
Southworth, John, Mancini, L., Dominik, M., Jørgensen, U. G., Bozza, V., Burgdorf, M. J., Jaimes, R. Figuera, Haikala, L. K., Henning, Th., Hinse, T. C., Hundertmark, M., Longa-Peña, P., Rabus, M., Rahvar, S., Sajadian, S., Skottfelt, J., Snodgrass, C.
TRAPPIST-1 is an ultra-cool dwarf that hosts seven known transiting planets. We present photometry of the system obtained using three telescopes at ESO La Silla (the Danish 1.54-m telescope and the 2.2-m MPI telescope) and Paranal (Unit Telescope 1 o
Externí odkaz:
http://arxiv.org/abs/2207.05874
Autor:
Southworth, John, Barker, A. J., Hinse, T. C., Jongen, Y., Dominik, M., Jørgensen, U. G., Longa-Peña, P., Sajadian, S., Snodgrass, C., Tregloan-Reed, J., Bach-Møller, N., Bonavita, M., Bozza, V., Burgdorf, M. J., Jaimes, R. Figuera, Helling, Ch., Hitchcock, J. A., Hundertmark, M., Khalouei, E., Korhonen, H., Mancini, L., Peixinho, N., Rahvar, S., Rabus, M., Skottfelt, J., Spyratos, P.
HATS-18b is a transiting planet with a large mass and a short orbital period, and is one of the best candidates for the detection of orbital decay induced by tidal effects. We present extensive photometry of HATS-18 from which we measure 27 times of
Externí odkaz:
http://arxiv.org/abs/2207.05873
Autor:
Herald, A., Udalski, A., Bozza, V., Rota, P., Bond, I. A., Yee, J. C., Sajadian, S., Mroz, P., Poleski, R., Skowron, J., Szymanski, M. K., Soszynski, I., Pietrukowicz, P., Kozlowski, S., Ulaczyk, K., Rybicki, K. A., Iwanek, P., Wrona, M., Gromadzki, M., Abe, F., Barry, R., Bennett, D. P., Bhattacharya, A., Fukui, A., Fujii, H., Hirao, Y., Itow, Y., Kirikawa, R., Kondo, I., Koshimoto, N., Matsubara, Y., Matsumoto, S., Miyazaki, S., Muraki, Y., Olmschenk, G., Ranc, C., Okamura, A., Rattenbury, N. J., Satoh, Y., Sumi, T., Suzuki, D., Silva, S. Ishitani, Toda, T., Tristram, P. J., Vandorou, A., Yama, H., Beichman, C. A., Bryden, G., Novati, S. Calchi, Carey, S., Gaudi, B. S., Gould, A., Henderson, C. B., Johnson, S., Shvartzvald, Y., Zhu, W., Dominik, M., Hundertmark, M., Jorgensen, U. G., Longa-Pena, P., Skottfelt, J., Tregloan-Reed, J., Bach-Moller, N., Burgdorf, M., D'Ago, G., Haikala, L., Hitchcock, J., Khalouei, E., Peixinho, N., Rahvar, S., Snodgrass, C., Southworth, J., Spyratos, P., Zang, W., Yang, H., Mao, S., Bachelet, E., Maoz, D., Street, R. A., Tsapras, Y., Christie, G. W., Cooper, T., de Almeida, L., Nascimento Jr, J. -D. do, Green, J., Han, C., Hennerley, S., Marmont, A., McCormick, J., Monard, L. A. G., Natusch, T., Pogge, R.
Publikováno v:
A&A 663, A100 (2022)
Context. Brown dwarfs are poorly understood transition objects between stars and planets, with several competing mechanisms having been proposed for their formation. Mass measurements are generally difficult for isolated objects but also for brown dw
Externí odkaz:
http://arxiv.org/abs/2203.04034
Autor:
Morgado, B. E., Sicardy, B., Braga-Ribas, F., Desmars, J., Gomes-Júnior, A. R., Bérard, D., Leiva, R., Ortiz, J. L., Vieira-Martins, R., Benedetti-Rossi, G., Santos-Sanz, P., Camargo, J. I. B., Duffard, R., Rommel, F. L., Assafin, M., Boufleur, R. C., Colas, F., Kretlow, M., Beisker, W., Sfair, R., Snodgrass, C., Morales, N., Fernández-Valenzuela, E., Amaral, L. S., Amarante, A., Artola, R. A., Backes, M., Bath, K-L., Bouley, S., Buie, M. W., Cacella, P., Colazo, C. A., Colque, J. P., Dauvergne, J-L., Dominik, M., Emilio, M., Erickson, C., Evans, R., Fabrega-Polleri, J., Garcia-Lambas, D., Giacchini, B. L., Hanna, W., Herald, D., Hesler, G., Hinse, T. C., Jacques, C., Jehin, E., Jørgensen, U. G., Kerr, S., Kouprianov, V., Levine, S. E., Linder, T., Maley, P. D., Machado, D. I., Maquet, L., Maury, A., Melia, R., Meza, E., Mondon, B., Moura, T., Newman, J., Payet, T., Pereira, C. L., Pollock, J., Poltronieri, R. C., Quispe-Huaynasi, F., Reichart, D., de Santana, T., Schneiter, E. M., Sieyra, M. V., Skottfelt, J., Soulier, J. F., Starck, M., Thierry, P., Torres, P. J., Trabuco, L. L., Unda-Sanzana, E., Yamashita, T. A. R., Winter, O. C., Zapata, A., Zuluaga, C. A.
Publikováno v:
A&A 652, A141 (2021)
The Centaur (10199) Chariklo has the first rings system discovered around a small object. It was first observed using stellar occultation in 2013. Stellar occultations allow the determination of sizes and shapes with kilometre accuracy and obtain cha
Externí odkaz:
http://arxiv.org/abs/2107.07904
Autor:
Kelley, Michael S. P., Farnham, Tony L., Li, Jian-Yang, Bodewits, Dennis, Snodgrass, Colin, Allen, Johannes, Bellm, Eric C., Coughlin, Michael W., Drake, Andrew J., Duev, Dmitry A., Graham, Matthew J., Kupfer, Thomas, Masci, Frank J., Reiley, Dan, Walters, Richard, Dominik, M., Jørgensen, U. G., Andrews, A., Bach-Møller, N., Bozza, V., Burgdorf, M. J., Campbell-White, J., Dib, S., Fujii, Y. I., Hinse, T. C., Hundertmark, M., Khalouei, E., Longa-Peña, P., Rabus, M., Rahvar, S., Sajadian, S., Skottfelt, J., Southworth, J., Tregloan-Reed, J., Unda-Sanzana, E.
Cometary activity is a manifestation of sublimation-driven processes at the surface of nuclei. However, cometary outbursts may arise from other processes that are not necessarily driven by volatiles. In order to fully understand nuclear surfaces and
Externí odkaz:
http://arxiv.org/abs/2105.05826