Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Rachel A. Osten"'
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
Compact objects across the mass spectrum–from neutron stars to supermassive black holes–are progenitors and/or central engines for some of the most cataclysmic phenomena in the Universe. As such, they are associated with radio emission on a varie
Externí odkaz:
https://doaj.org/article/300b55bc086040f88141dac99606986b
Autor:
Rishi R. Paudel, Thomas Barclay, Allison Youngblood, Elisa V. Quintana, Joshua E. Schlieder, Laura D. Vega, Emily A. Gilbert, Rachel A. Osten, Sarah Peacock, Isaiah I. Tristan, Dax L. Feliz, Patricia T. Boyd, James R. A. Davenport, Daniel Huber, Adam F. Kowalski, Teresa Monsue, Michele L. Silverstein
Publikováno v:
The Astrophysical Journal, Vol 971, Iss 1, p 24 (2024)
We present a comprehensive multiwavelength investigation into flares and activity in nearby M dwarf stars. We leverage the most extensive contemporaneous data set obtained through the Transiting Exoplanet Sky Survey, Kepler/K2, the Neil Gehrels Swift
Externí odkaz:
https://doaj.org/article/a238f988b84946c6964269c39df9e073
Autor:
Isaiah I. Tristan, Yuta Notsu, Adam F. Kowalski, Alexander Brown, John P. Wisniewski, Rachel A. Osten, Eliot H. Vrijmoet, Graeme L. White, Brad D. Carter, Carol A. Grady, Todd J. Henry, Rodrigo H. Hinojosa, Jamie R. Lomax, James E. Neff, Leonardo A. Paredes, Jack Soutter
Publikováno v:
The Astrophysical Journal, Vol 951, Iss 1, p 33 (2023)
We present light curves and flares from a 7 day, multiwavelength observational campaign of AU Mic, a young and active dM1e star with exoplanets and a debris disk. We report on 73 unique flares between the X-ray to optical data. We use high-time-resol
Externí odkaz:
https://doaj.org/article/460a9b9850c84db4a948fb6b96f4fcae
Publikováno v:
The Astrophysical Journal, Vol 944, Iss 1, p 5 (2023)
We present a multiwavelength study of stellar flares on primarily G-type stars using overlapping time domain surveys in the near-ultraviolet (NUV) and optical regimes. The NUV (the Galaxy Evolution Explorer; GALEX) and optical (Kepler) wavelength dom
Externí odkaz:
https://doaj.org/article/497b849bd65346d2957a77ec674aedf3
We present a multiwavelength study of stellar flares on primarily G-type stars using overlapping time domain surveys in the near ultraviolet (NUV) and optical regimes. The NUV (GALEX) and optical (Kepler) wavelength domains are important for understa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82f242726d4479517049415fa9068bb3
http://arxiv.org/abs/2212.08696
http://arxiv.org/abs/2212.08696
Autor:
Alex Andersson, Rob P Fender, Chris J Lintott, David R A Williams, Laura N Driessen, Patrick A Woudt, Alexander J van der Horst, David A H Buckley, Sara E Motta, Lauren Rhodes, Nora L Eisner, Rachel A Osten, Paul Vreeswijk, Steven Bloemen, Paul J Groot
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 513, 3482-3492
Monthly Notices of the Royal Astronomical Society, 513, 3, pp. 3482-3492
Andersson, A, Fender, R P, Lintott, C J, Williams, D R A, Driessen, L N, Woudt, P A, van der Horst, A J, Buckley, D A H, Motta, S E, Rhodes, L, Eisner, N L, Osten, R A, Vreeswijk, P, Bloemen, S & Groot, P J 2022, ' Serendipitous discovery of radio flaring behaviour from a nearby M dwarf with MeerKAT ', Monthly Notices of the Royal Astronomical Society, vol. 513, no. 3, pp. 3482-3492 . https://doi.org/10.1093/mnras/stac1002
Monthly Notices of the Royal Astronomical Society, 513, 3, pp. 3482-3492
Andersson, A, Fender, R P, Lintott, C J, Williams, D R A, Driessen, L N, Woudt, P A, van der Horst, A J, Buckley, D A H, Motta, S E, Rhodes, L, Eisner, N L, Osten, R A, Vreeswijk, P, Bloemen, S & Groot, P J 2022, ' Serendipitous discovery of radio flaring behaviour from a nearby M dwarf with MeerKAT ', Monthly Notices of the Royal Astronomical Society, vol. 513, no. 3, pp. 3482-3492 . https://doi.org/10.1093/mnras/stac1002
We report on the detection of MKT J174641.0$-$321404, a new radio transient found in untargeted searches of wide-field MeerKAT radio images centred on the black hole X-ray binary H1743$-$322. MKT J174641.0$-$321404 is highly variable at 1.3 GHz and w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::720510c70825011528fe0fea99241de3
https://lirias.kuleuven.be/handle/20.500.12942/697229
https://lirias.kuleuven.be/handle/20.500.12942/697229
Autor:
Rachel A. Osten, Kenji Hamaguchi, Joshua E. Schlieder, Lucianne M. Walkowicz, Michele L. Silverstein, James R. A. Davenport, Emily A. Gilbert, Teresa Monsue, D. J. Mullan, Allison Youngblood, Knicole D. Colón, Daniel Huber, Thomas Barclay, Rishi R. Paudel, Elisa V. Quintana, Michael A. Tucker, John E. Gizis, Aaron Do, Patricia T. Boyd, Laura D. Vega
We present the first results of our ongoing project conducting simultaneous multiwavelength observations of flares on nearby active M dwarfs. We acquired data of the nearby dM3.5e star EV Lac using 5 different observatories: NASA's Transiting Exoplan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1388bb313ca1bc970cdc3fd1d4e0c30
http://arxiv.org/abs/2108.04753
http://arxiv.org/abs/2108.04753
Publikováno v:
The Astrophysical Journal Letters. 939:L6
We report the detection of three large millimeter flaring events from the nearby Sun-like, ϵ Eridani, found in archival Atacama Large Millimeter/submillimeter Array (ALMA) 12 m and Atacama Compact Array observations at 1.33 mm taken from 2015 Januar
Publikováno v:
The Astrophysical Journal. 928:8
Characterizing the distribution of flare properties and occurrence rates is important for understanding habitability of M dwarf exoplanets. The GALEX space telescope observed the GJ 65 system, composed of the active, flaring M stars BL Cet and UV Cet
Autor:
Sarah J. Schmidt, Rachel A. Osten, Stephen Brown, Jeff A. Valenti, Manolis Xilouris, Alexander Brown, Christopher M. Johns-Krull, John P. Wisniewski, Suzanne L. Hawley, Adam F. Kowalski, C. Fariña
We present NUV flare spectra from the Hubble Space Telescope/Cosmic Origins Spectrograph during two moderate-amplitude U-band flares on the dM4e star GJ 1243. These spectra are some of the first accurately flux-calibrated, NUV flare spectra obtained
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f3e75c26bbd483e3d571f7452ce1acb