Zobrazeno 1 - 10
of 771
pro vyhledávání: '"Alcala', J."'
Autor:
Maucó, K., Manara, C. F., Bayo, A., Hernández, J., Campbell-White, J., Calvet, N., Ballabio, G., Aru, M. L., Alcalá, J. M., Ansdell, M., Briceño, C., Facchini, S., Haworth, T. J., McClure, M., Williams, J. P.
Disk winds play a crucial role in the evolution of protoplanetary disks. Typical conditions for star and planet formation are in regions with intermediate or strong UV radiation fields produced by massive stars. The $\sigma$-Orionis cluster is the id
Externí odkaz:
http://arxiv.org/abs/2411.19741
Autor:
Murphy, A., Whelan, E. T., Bacciotti, F., Coffey, D., Comerón, F., Eislöffel, J., Nisini, B., Antoniucci, S., Alcalá, J. M., Ray, T. P.
Publikováno v:
Astronomy and Astrophysics 691 (2024) A48
Characterising stellar jet asymmetries is key to setting robust constraints on jet launching models and improving our understanding of the underlying mechanisms behind jet launching. We aim to characterise the asymmetric properties of the bipolar jet
Externí odkaz:
http://arxiv.org/abs/2411.12269
Autor:
Armeni, A., Stelzer, B., Frasca, A., Manara, C. F., Walter, F. M., Alcalá, J. M., Schneider, P. C., Sicilia-Aguilar, A., Campbell-White, J., Fiorellino, E., Gameiro, J. F., Gangi, M.
The aim of this work is to characterize the accretion process of the classical T Tauri Star RU Lup. We studied optical high-resolution spectroscopic observations from CHIRON and ESPRESSO, obtained simultaneously with photometric data from AAVSO and T
Externí odkaz:
http://arxiv.org/abs/2408.14996
Autor:
Claes, R. A. B., Campbell-White, J., Manara, C. F., Frasca, A., Natta, A., Alcalá, J. M., Armeni, A., Fang, M., Lovell, J. B., Stelzer, B., Venuti, L., Wyatt, M., Queitsch, A.
Studies of the stellar and accretion properties of classical T Tauri stars (CTTS) require comparison with photospheric spectral templates. Here we aim at expanding the currently available grid of wide-wavelength coverage observed spectra of non-accre
Externí odkaz:
http://arxiv.org/abs/2407.11866
Autor:
Saracco, P., Conconi, P., Arcidiacono, C., Portaluri, E., Mahmoodzadeh, H., D'Orazi, V., Fedele, D., Gargiulo, A., Vanzella, E., Franzetti, P., Arosio, I., Barbalini, L., Lops, G., Molinari, E., Cascone, E., Cianniello, V., D'Auria, D., De Caprio, V., Di Antonio, I., Di Francesco, B., Di Rico, G., Eredia, C., Fumana, M., Greggio, D., Rodeghiero, G., Scalera, M., Alcala', J. M., Bisogni, S., Bonito, R., Bono, G., Garatti, A. Caratti o, Bonta', E. Dalla, Dall'Ora, M., Fiorentino, G., Gallazzi, A. R., Guarcello, M., Izzo, L., La Barbera, F., Lardo, C., Longhetti, M., Longobardo, A., Magrini, L., Mancini, C., Mura, A., Piconcelli, E., Pizzella, A., Podio, L., Polletta, M., Prisinzano, L., Ricci, F., Ripepi, V., Roccatagliata, V., Vietri, G.
The Extremely Large Telescopes (ELTs), thanks to their large apertures and cutting-edge Multi-Conjugate Adaptive Optics (MCAO) systems, promise to deliver sharper and deeper data even than the JWST. SHARP is a concept study for a near-IR (0.95-2.45 $
Externí odkaz:
http://arxiv.org/abs/2407.06264
Autor:
Nisini, B., Navarro, M. G., Giannini, T., Antoniucci, S., Kavanagh, P. J., Hartigan, P., Bacciotti, F., Garatti, A. Caratti o, Crespo, A. Noriega, van Dishoek, E., Whelan, E., Arce, H. G., Cabrit, S., Coffey, D., Fedele, D., Eisloeffel, J., Palumbo, M. E., Podio, L., Ray, T. P., Schultze, M., Urso, R. G., Alcala', J. M., Bautista, M. A., Codella, C., Greene, T. G., Manara, C. F.
We present the first results of the JWST program PROJECT-J (PROtostellar JEts Cradle Tested with JWST ), designed to study the Class I source HH46 IRS and its outflow through NIRSpec and MIRI spectroscopy (1.66 to 28 micron). The data provide line-im
Externí odkaz:
http://arxiv.org/abs/2404.06878
Autor:
Almendros-Abad, V., Manara, C. F., Testi, L., Natta, A., Claes, R. A. B., Muzic, K., Sanchis, E., Alcalá, J. M., Bayo, A., Scholz, A.
The time evolution of the dependence of the mass accretion rate with the stellar mass and the disk mass represents a fundamental way to understand the evolution of protoplanetary disks and the formation of planets. In this work, we present observatio
Externí odkaz:
http://arxiv.org/abs/2402.10523
Autor:
Armeni, A., Stelzer, B., Claes, R. A. B., Manara, C. F., Frasca, A., Alcalá, J. M., Walter, F. M., Kóspál, Á., Campbell-White, J., Gangi, M., Mauco, K., Tychoniec, L.
Publikováno v:
A&A 679, A14 (2023)
HM Lup is a young M-type star that accretes material from a circumstellar disk through a magnetosphere. Our aim is to study the inner disk structure of HM Lup and to characterize its variability. We used spectroscopic data from HST/STIS, X-Shooter, a
Externí odkaz:
http://arxiv.org/abs/2309.10591
Autor:
Maucó, K., Manara, C. F., Ansdell, M., Bettoni, G., Claes, R., Alcala, J., Miotello, A., Facchini, S., Haworth, T. J., Lodato, G., Williams, J. P.
Publikováno v:
A&A 679, A82 (2023)
The evolution of protoplanetary disks is regulated by an interplay of several processes, either internal to the system or related to the environment. As most of the stars and planets have formed in massive stellar clusters, studying the effects of UV
Externí odkaz:
http://arxiv.org/abs/2309.05651
Autor:
de Miera, F. Cruz-Sáenz, Kóspál, Á., Ábrahám, P., Claes, R. A. B., Manara, C. F., Wendeborn, J., Fiorellino, E., Giannini, T., Nisini, B., Sicilia-Aguilar, A., Campbell-White, J., Alcalá, J. M., Banzatti, A., Szabó, Zs. M., Lykou, F., Antoniucci, S., Varga, J., Siwak, M., Park, S., Nagy, Zs., Kun, M.
Publikováno v:
A&A 678, A88 (2023)
EX Lupi is the prototype by which EXor-type outbursts were defined. It has experienced multiple accretion-related bursts and outbursts throughout the last decades, whose study have greatly extended our knowledge about the effects of these types of ev
Externí odkaz:
http://arxiv.org/abs/2308.02849