Zobrazeno 1 - 10
of 665
pro vyhledávání: '"Lagadec E."'
Autor:
Sloan, G. C., Kraemer, K. E., Aringer, B., Cami, J., Eriksson, K., Hoefner, S., Lagadec, E., Matsuura, M., McDonald, I., Montiel, E., Sahai, R., Zijlstra, A. A.
Publikováno v:
Galaxies 12 (2024), 61
The Medium-Resolution Spectrometer on the Mid-Infrared Instrument on JWST obtained spectra of three carbon stars in the Large Magellanic Cloud. Two of the spectra differ significantly from spectra obtained ~16-19 years earlier with the Infrared Spect
Externí odkaz:
http://arxiv.org/abs/2411.12842
Autor:
Danilovich, T., Malfait, J., Van de Sande, M., Montargès, M., Kervella, P., De Ceuster, F., Coenegrachts, A., Millar, T. J., Richards, A. M. S., Decin, L., Gottlieb, C. A., Pinte, C., De Beck, E., Price, D. J., Wong, K. T., Bolte, J., Menten, K. M., Baudry, A., de Koter, A., Etoka, S., Gobrecht, D., Gray, M., Herpin, F., Jeste, M., Lagadec, E., Maes, S., McDonald, I., Marinho, L., Müller, H. S. P., Pimpanuwat, B., Plane, J. M. C., Sahai, R., Wallström, S. H. J., Yates, J., Zijlstra, A.
Publikováno v:
Nature Astronomy, 8, pages 308-327 (2024)
Binary interactions have been proposed to explain a variety of circumstellar structures seen around evolved stars, including asymptotic giant branch (AGB) stars and planetary nebulae. Studies resolving the circumstellar envelopes of AGB stars have re
Externí odkaz:
http://arxiv.org/abs/2407.16979
Autor:
Wallstrom, S. H. J., Danilovich, T., Muller, H. S. P., Gottlieb, C. A., Maes, S., Van de Sande, M., Decin, L., Richards, A. M. S., Baudry, A., Bolte, J., Ceulemans, T., De Ceuster, F., de Koter, A., Mellah, I. El, Esseldeurs, M., Etoka, S., Gobrecht, D., Gottlieb, E., Gray, M., Herpin, F., Jeste, M., Kee, D., Kervella, P., Khouri, T., Lagadec, E., Malfait, J., Marinho, L., McDonald, I., Menten, K. M., Millar, T. J., Montarges, M., Nuth, J. A., Plane, J. M. C., Sahai, R., Waters, L. B. F. M., Wong, K. T., Yates, J., Zijlstra, A.
Publikováno v:
Astron. Astrophys. 681 (2024) A50
The dusty winds of cool evolved stars are a major contributor of the newly synthesised material enriching the Galaxy and future generations of stars. However, the details of the physics and chemistry behind dust formation and wind launching have yet
Externí odkaz:
http://arxiv.org/abs/2312.03467
Autor:
Cannon, E., Montargès, M., de Koter, A., Matter, A., Sanchez-Bermudez, J., Norris, R., Paladini, C., Decin, L., Sana, H., Sundqvist, J. O., Lagadec, E., Kervella, P., Chiavassa, A., Dupree, A. K., Perrin, G., Scicluna, P., Stee, P., Kraus, S., Danchi, W., Lopez, B., Millour, F., Drevon, J., Cruzalèbes, P., Berio, P., Robbe-Dubois, S., Rosales-Guzman, A.
Publikováno v:
A&A 675, A46 (2023)
The 'Great Dimming' of the prototypical red supergiant Betelgeuse, which occurred between December 2019 and April 2020, gives us unprecedented insight into the processes occurring on the stellar surface and in the inner wind of this type of star. In
Externí odkaz:
http://arxiv.org/abs/2303.08892
Autor:
Montargès, M., Cannon, E., de Koter, A., Khouri, T., Lagadec, E., Kervella, P., Decin, L., McDonald, I., Homan, W., Waters, L. B. F. M., Sahai, R., Gottlieb, C. A., Malfait, J., Maes, S., Pimpanuwat, B., Jeste, M., Danilovich, T., De Ceuster, F., Van de Sande, M., Gobrecht, D., Wallström, S. H. J., Wong, K. T., Mellah, I. El, Bolte, J., Herpin, F., Richards, A. M. S., Baudry, A., Etoka, S., Gray, M. D., Millar, T. J., Menten, K. M., Müller, H. S. P., Plane, J. M. C., Yates, J., Zijlstra, A.
Publikováno v:
A&A 671, A96 (2023)
Aims. Through the ATOMIUM project, based on an ALMA large program, we aim to present a consistent view of a sample of 17 nearby cool evolved stars (Aymptotic Giant Branch and red supergiant stars). Methods. Here we present VLT/SPHERE-ZIMPOL polarimet
Externí odkaz:
http://arxiv.org/abs/2301.02081
Autor:
Boccaletti, A., Chauvin, G., Wildi, F., Milli, J., Stadler, E., Diolaiti, E., Gratton, R., Vidal, F., Loupias, M., Langlois, M., Cantalloube, F., N'Diaye, M., Gratadour, D., Ferreira, F., Tallon, M., Mazoyer, J., Segransan, D., Mouillet, D., Beuzit, J. -L., Bonnefoy, M., Galicher, R., Vigan, A., Snellen, I., Feldt, M., Desidera, S., Rousseau, S., Baruffolo, A., Goulas, C., Baudoz, P., Bechet, C., Benisty, M., Bianco, A., Carry, B., Cascone, E., Charnay, B., Choquet, E., Christiaens, V., Cortecchia, F., de Caprio, V., De Rosa, A., Desgrange, C., D'Orazi, V., Douté, S., Frangiamore, M., Gendron, E., Ginski, C., Huby, E., Keller, C., Kulcsár, C., Landman, R., Lagarde, S., Lagadec, E., Lagrange, A. -M., Kasper, M. Lombini M., Ménard, F., Magnard, Y., Malaguti, G., Maurel, D., Mesa, D., Morgante, G., Pantin, E., Pichon, T., Potier, A., Rabou, P., Rochat, S., Terenzi, L., Thiébaut, E., Tallon-Bosc, I., Raynaud, H. -F., Rouan, D., Sevin, A., Schiavone, F., Schreiber, L., Zanutta, A.
SPHERE+ is a proposed upgrade of the SPHERE instrument at the VLT, which is intended to boost the current performances of detection and characterization for exoplanets and disks. SPHERE+ will also serve as a demonstrator for the future planet finder
Externí odkaz:
http://arxiv.org/abs/2209.02092
Autor:
Montargès, M., Cannon, E., Lagadec, E., de Koter, A., Kervella, P., Sanchez-Bermudez, J., Paladini, C., Cantalloube, F., Decin, L., Scicluna, P., Kravchenko, K., Dupree, A. K., Ridgway, S., Wittkowski, M., Anugu, N., Norris, R., Rau, G., Perrin, G., Chiavassa, A., Kraus, S., Monnier, J. D., Millour, F., Bouquin, J. -B. Le, Haubois, X., Lopez, B., Stee, P., Danchi, W.
Publikováno v:
Nature, 2021, Volume 594, Issue 7863, p.365-368
Red supergiants are the most common final evolutionary stage of stars that have initial masses between 8 and 35 times that of the Sun. During this stage, which lasts roughly 100,000 years1, red supergiants experience substantial mass loss. However, t
Externí odkaz:
http://arxiv.org/abs/2201.10551
Autor:
Chiavassa, A., Kravchenko, K., Montargès, M., Millour, F., Matter, A., Freytag, B., Wittkowski, M., Hocdé, V., Cruzalèbes, P., Allouche, F., Lopez, B., Lagarde, S., Petrov, R. G., Meilland, A., Robbe-Dubois, S., Hofmann, K. -H., Weigelt, G., Berio, P., Bendjoya, P., Bettonvil, F., de Souza, A. Domiciano, Heininger, M., Henning, Th., Isbell, J. W., Jaffe, W., Labadie, L., Lehmitz, M., Meisenheimer, K., Soulain, A., Varga, J., Augereau, J. -C., van Boekel, R., Burtscher, L., Danchi, W. C., Dominik, C., Drevon, J., Rosas, V. Gámez, Hogerheijde, M. R., Hron, J., Klarmann, L., Kokoulina, E., Lagadec, E., Leftley, J., Mosoni, L., Nardetto1, N., Paladini, C., Pantin, E., Schertl, D., Stee, P., Szabados, L., Waters, R., Wolf, S., Yoffe, G.
Publikováno v:
A&A 658, A185 (2022)
Context. VX Sgr is a cool, evolved, and luminous red star whose stellar parameters are difficult to determine, which affects its classification. Aims. We aim to spatially resolve the photospheric extent as well as the circumstellar environment. Metho
Externí odkaz:
http://arxiv.org/abs/2112.10695
Autor:
Gottlieb, C. A., Decin, L., Richards, A. M. S., De Ceuster, F., Homan, W., Wallstrom, S. H. J., Danilovich, T., Millar, T. J., Montarges, M., Wong, K. T., McDonald, I., Baudry, A., Bolte, J., Cannon, E., De Beck, E., de Koter, A., Mellah, I. El, Etoka, S., Gobrecht, D., Gray, M., Herpin, F., Jeste, M., Kervella, P., Khouri, T., Lagadec, E., Maes, S., Malfait, J., Menten, K. M., Muller, H. S. P., Pimpanuwat, B., Plane, J. M. C., Sahai, R., Van de Sande, M., Waters, L. B. F. M., Yates, J., Zijlstra, A.
Publikováno v:
A&A 660, A94 (2022)
This overview paper presents ATOMIUM, a Large Programme in Cycle 6 with the Atacama Large Millimeter-submillimeter Array (ALMA). The goal of ATOMIUM is to understand the dynamics and the gas phase and dust formation chemistry in the winds of evolved
Externí odkaz:
http://arxiv.org/abs/2112.04399
Autor:
Lançon, Ariane, Larsen, S., Voggel, K., Cuillandre, J. -C., Duc, P. -A., Chantereau, W., Jain, R., Sánchez-Janssen, R., Cantiello, M., Rejkuba, M., Marleau, F., Saifollahi, T., Conselice, C., Hunt, L., Ferguson, A. M. N., Lagadec, E., Côté, P.
Globular clusters play a role in many areas of astrophysics, ranging from stellar physics to cosmology. New ground-based optical surveys complemented by observations from space-based telescopes with unprecedented near-infrared capabilities will help
Externí odkaz:
http://arxiv.org/abs/2110.13783