Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Ch Rab"'
1
Massive pre-main-sequence stars in M17
Autor: F. Backs, J. Poorta, Ch. Rab, A. R. Derkink, A. de Koter, L. Kaper, M. C. Ramírez-Tannus, I. Kamp
Publikováno v: Astronomy & astrophysics. 671
The young massive-star-forming region M17 contains optically visible massive pre-main-sequence stars that are surrounded by circumstellar disks. Such disks are expected to disappear when these stars reach the main sequence. The physical and dynamical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f6dd83230649ba0db150f4e5d7ec375
https://doi.org/10.1051/0004-6361/202244817
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2
Interpreting molecular hydrogen and atomic oxygen line emission of T Tauri disks with photoevaporative disk-wind models
Autor: Ch. Rab, M. Weber, T. Grassi, B. Ercolano, G. Picogna, P. Caselli, W.-F. Thi, I. Kamp, P. Woitke
Publikováno v: Astronomy and astrophysics, 668:A154. EDP Sciences
Winds in protoplanetary disks play an important role in their evolution and dispersal. However, what physical process is driving the winds is still unclear (i.e. magnetically vs thermally driven), and can only be understood by directly confronting th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5d897a1f218c74e98d12507754f988e
https://research.rug.nl/en/publications/79e05bcb-98df-44c0-95cf-37f475bce446
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3
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): Scattered light detection of a possible disk wind in RY Tau
Autor: P.-G. Valegård, C. Ginski, C. Dominik, J. Bae, M. Benisty, T. Birnstiel, S. Facchini, A. Garufi, M. Hogerheijde, R. G. van Holstein, M. Langlois, C. F. Manara, P. Pinilla, Ch. Rab, Á. Ribas, L. B. F. M. Waters, J. Williams
Publikováno v: Astronomy and Astrophysics, 668:A25. EDP Sciences
Astronomy & Astrophysics, 668, 1-10
Astronomy & Astrophysics, 668, pp. 1-10
Astronomy & Astrophysics, 668:A25
Disk winds are an important mechanism for accretion and disk evolution around young stars. The accreting intermediate-mass T-Tauri star RY Tau has an active jet and a previously known disk wind. Archival optical and new near-infrared observations of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08f0f13ce787760b57008d7b80e960e8
http://arxiv.org/abs/2209.01969
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4
Self-consistent modelling of the dust component in protoplanetary and circumplanetary disks: the case of PDS 70
Autor: E. F. van Dishoeck, Inga Kamp, Ch. Rab, G. A. Muro-Arena, Michiel Min, M. Keppler, B. Portilla Revelo
Publikováno v: Astronomy & Astrophysics, 658:A89
Astronomy and astrophysics, 658:A89. EDP Sciences
Direct observations of young stellar objects are important to test established theories of planet formation. PDS 70 is one of the few cases where robust evidence favours the presence of two planetary mass companions inside the gap of the transition d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ce7df895ac5d794dbc0420332215339
https://ui.adsabs.harvard.edu/abs/2022A&A...658A..89P
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5
Ionisation of inner T Tauri star discs: effects of in-situ energetic particles produced by strong magnetic reconnection events
Autor: V Brunn, A Marcowith, C Sauty, M Padovani, Ch Rab, C Meskini
Magnetic reconnection is one of the major particle acceleration processes in space and astrophysical plasmas. Low-energy supra-thermal particles emitted by magnetic reconnection are a source of ionisation for circumstellar discs, influencing their ch
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3866b47bdcb2a85e569f644aafff5f2
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6
New mid-infrared imaging constraints on companions and protoplanetary disks around six young stars
Autor: Eric Pantin, Hans Ulrich Käufl, M.E. van den Ancker, N. Oberg, R. van Boekel, Ralf Siebenmorgen, Inga Kamp, M. Kissler-Patig, Davide Fedele, Ch. Rab, Valentin D. Ivanov, L. B. F. M. Waters, Paulo A. Miles-Páez, Markus Kasper, Sascha P. Quanz
Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2021, 648, pp.A92. ⟨10.1051/0004-6361/202039261⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2021, 648, pp.A92. ⟨10.1051/0004-6361/202039261⟩
Astronomy & Astrophysics, 648, 1-18
Astronomy and astrophysics, 648:A92. EDP Sciences
Astronomy & Astrophysics, 648, pp. 1-18
Mid-infrared imaging traces the sub-micron and micron sized dust grains in protoplanetary disks and it offers constraints on the geometrical properties of the disks and potential companions, particularly if those companions have circumplanetary disks
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8007d9005bf77e4491baf34f8cb37982
https://u-paris.hal.science/hal-03256075/document
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7
Dust entrainment in photoevaporative winds: Densities and imaging
Autor: Sebastián Pérez, Ch. Rab, Til Birnstiel, Barbara Ercolano, Giovanni Picogna, A. Sharma, Simon Casassus, R. Franz
X-ray- and EUV- (XEUV-) driven photoevaporative winds acting on protoplanetary disks around young T-Tauri stars may crucially impact disk evolution, affecting both gas and dust distributions. We constrain the dust densities in a typical XEUV-driven o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be5029ac4010895fc8cade59e9453436
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8
Interpreting high spatial resolution line observations of planet-forming disks with gaps and rings
Autor: Ch. Rab, Peter Woitke, W. F. Thi, L. B. F. M. Waters, G. A. Muro-Arena, Christian Ginski, Carsten Dominik, Inga Kamp
Publikováno v: Astronomy & Astrophysics, 642:A165. EDP Sciences
Astronomy & astrophysics, 642:A165. EDP Sciences
Spatially resolved continuum observations of planet-forming disks show prominent ring and gap structures in their dust distribution. However, the picture from gas observations is much less clear and constraints on the radial gas density structure (i.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b193c3fb8c376a88e3a729580b807d2
https://doi.org/10.1051/0004-6361/202038712
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9
Warm dust surface chemistry
Autor: Paola Caselli, Ch. Rab, W. F. Thi, Stéphanie Cazaux, Inga Kamp, Peter Woitke, S. Hocuk
Publikováno v: Astronomy & astrophysics, 634:A42. EDP Sciences
Molecular hydrogen (H2) is the main constituent of the gas in the planet-forming disks that surround many PMS stars. H2 can be incorporated in the atmosphere of the giant planets. HD has been detected in a few disks and can be considered the most rel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec968bff9fc8750f283a460a0028729f
https://arxiv.org/pdf/1812.06730.pdf
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10
Searching for chemical signatures of planet formation
Autor: Ch. Rab, L. B. F. M. Waters, Inga Kamp, Carsten Dominik, G. A. Muro-Arena, Peter Woitke, Wing-Fai Thi
Publikováno v: Origins: From the Protosun to the First Steps of Life, 345, 362-364
High spatial resolution observations with ALMA and VLT/SPHERE show gaps and rings in continuum emission of protoplanetary disks, possibly indicating ongoing planet formation. However, it is still unclear if the gas follows the dust distribution. We p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f032eed3665dc74181f75a2a1e8df06
https://hdl.handle.net/11370/98e2c038-36dd-45f7-a36b-56718a781173
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