Zobrazeno 1 - 10
of 23
pro vyhledávání: '"D. P. Huenemoerder"'
Capella is the brightest chromospherically active binary in the sky, hosting a cooler G8III giant (Aa) and an hotter G1III companion (Ab). The source has been extensively observed in the X-rays in the past decades not only for its astrophysical inter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b93971a3c72b6fa8ae19365a7e215df
Observations with powerful X-ray telescopes, such as XMM-Newton and Chandra, significantly advance our understanding of massive stars. Nearly all early-type stars are X-ray sources. Studies of their X-ray emission provide important diagnostics of ste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da1b2187e2ec7e46cdb2498cf2074463
http://arxiv.org/abs/1702.05613
http://arxiv.org/abs/1702.05613
Autor:
M. Schattenburg, P. Temi, David N. Burrows, Hans Moritz Günther, Norbert S. Schulz, Jeremy S. Sanders, S. Walker, I. Kreykenbohm, Ryan Allured, D. P. Huenemoerder, A. Smale, Edward Hertz, Scott J. Wolk, Margaret H. Abraham, Jörn Wilms, S. Dawson, Randall L. McEntaffer, F. B. S. Paerels, Nancy Brickhouse, Jelle Kaastra, Richard F. Mushotzky, Luigi C. Gallo, Jon M. Miller, Jay A. Bookbinder, Michael A. Nowak, Vadim Burwitz, Adam R. Foster, Laura Brenneman, Casey T. DeRoo, Butler Hine, E. Morse, K. K. Madsen, Randall K. Smith, Kirpal Nandra, Eric J. Miller, L. Valencic, Andy Ptak, Peter Cheimets, P. Reid, Katja Poppenhaeger, R. Willingale, Ralf K. Heilmann, Catherine E. Grant, Robert Petre, Elisa Costantini, Marshall W. Bautz, A. D. Falcone, Joel N. Bregman
Publikováno v:
UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX
Arcus, a Medium Explorer (MIDEX) mission, was selected by NASA for a Phase A study in August 2017. The observatory provides high-resolution soft X-ray spectroscopy in the 12-50Å bandpass with unprecedented sensitivity: effective areas of >450 cm^2 a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c6667579282e6469631012f37090b3b
Autor:
Jay A. Bookbinder, Pasquale Temi, Richard F. Mushotzky, Jörn Wilms, Vadim Burwitz, Scott J. Wolk, M. Nowak, Katja Poppenhaeger, Ryan Allured, Kirpal Nandra, Ralf K. Heilmann, Jon M. Miller, Catherine E. Grant, Alan P. Smale, Eric J. Miller, Robert Petre, D. P. Huenemoerder, Jelle Kaastra, Elisa Costantini, Casey T. DeRoo, Jeremy S. Sanders, Randall L. McEntaffer, Mark L. Schattenburg, Adam R. Foster, Richard Willingale, Andy Ptak, Marshall W. Bautz, David N. Burrows, Laura Brenneman, Randall K. Smith, Lynne A. Valencic, Joel N. Bregman, Nancy S. Brickhouse, Norbert S. Schulz
Publikováno v:
SPIE Proceedings.
Arcus is a NASA/MIDEX mission under development in response to the anticipated 2016 call for proposals. It is a freeflying, soft X-ray grating spectrometer with the highest-ever spectral resolution in the 8-51 A (0.24 – 1.55 keV) energy range. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3239fcfdc75dc52146f87266d2e65192
https://doi.org/10.1117/12.2231193
https://doi.org/10.1117/12.2231193
The close classical T Tauri binary V4046 Sgr: complex magnetic fields and distributed mass accretion
Autor:
Manuel Güdel, D. P. Huenemoerder, A. Maggio, Gregg A. Wade, J.-F. Donati, G. G. Sacco, Costanza Argiroffi, Francesco Damiani, Jerome Bouvier, G. A. J. Hussain, T. Montmerle, Scott G. Gregory, Joel H. Kastner, Marc Audard, S. H. P. Alencar
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 417:1747-1759
We report here the first results of a multi-wavelength campaign focussing on magnetospheric accretion processes within the close binary system V4046 Sgr, hosting two partly-convective classical T Tauri stars of masses ~0.9 Msun and age ~12 Myr. In th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cea3655b8e5a9f9088aa3ead08a6aadf
https://doi.org/10.1111/j.1365-2966.2011.19366.x
https://doi.org/10.1111/j.1365-2966.2011.19366.x
Autor:
D. P. Huenemoerder, Noel D. Richardson, Ignacio Negueruela, Tomer Shenar, Helge Todt, J. L. Hoffman, Herbert Pablo, Yaël Nazé, Lida Oskinova, W. L. Waldron, J. Nichols, W.-R. Hamann, J. Maíz Apellániz, A. M. T. Pollock, Michael F. Corcoran, A. F. J. Moffat
Publikováno v:
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
Universidad de Alicante (UA)
Eclipsing systems of massive stars allow one to explore the properties of their components in great detail. We perform a multi-wavelength, non-LTE analysis of the three components of the massive multiple system $\delta$ Ori A, focusing on the fundame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d4fa38d536e436d412a06425d82e976
http://arxiv.org/abs/1503.03476
http://arxiv.org/abs/1503.03476
Autor:
D. P. Huenemoerder, Maurice A. Leutenegger, Noel D. Richardson, Rosina C. Iping, Tomer Shenar, Christopher M. P. Russell, Stan Owocki, W. L. Waldron, Yaël Nazé, Nancy Remage Evans, K. T. Hole, Jennifer Lauer, J. L. Hoffman, Herbert Pablo, W.-R. Hamann, K. Hamaguchi, Lida Oskinova, Kenneth G. Gayley, J. Nichols, R. Ignace, T. R. Gull, Jamie R. Lomax, Michael F. Corcoran, A. M. T. Pollock, A. F. J. Moffat
We present an overview of four phase-constrained Chandra HETGS X-ray observations of Delta Ori A. Delta Ori A is actually a triple system which includes the nearest massive eclipsing spectroscopic binary, Delta Ori Aa, the only such object which can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cba27df90820d6f04f25f8cd487a6b2c
Autor:
W.-R. Hamann, J. Lauer, Jamie R. Lomax, J. L. Hoffman, H. Pablo, L. Oskinova, N. D. Richardson, Richard Ignace, Michael F. Corcoran, Kenji Hamaguchi, Yaël Nazé, K. T. Hole, W. L. Waldron, Tomer Shenar, C. M. P. Russell, Anthony F. J. Moffat, T. Gull, Joy S. Nichols, Nancy Remage Evans, D. P. Huenemoerder, A. M. T. Pollock
Publikováno v:
The Astrophysical Journal. 809:133
We present time-resolved and phase-resolved variability studies of an extensive X-ray high-resolution spectral data set of the delta Ori Aa binary system. The four observations, obtained with Chandra ACIS HETGS, have a total exposure time of approxim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68d85aecbb5a6a7709662c530659d28e
https://doi.org/10.1088/0004-637x/809/2/133
https://doi.org/10.1088/0004-637x/809/2/133
Autor:
Claus Leitherer, John R. Stauffer, Ray Jayawardana, D. P. Huenemoerder, Nancy Remage Evans, Scott J. Wolk, Leisa K. Townsley, Tom Megeath, Norbert S. Schulz
This paper summarizes contributions and suggestions as presented at the Chandra Workshop Star Formation in the Era of Three Great Observatories conducted in July 2005. One of the declared goals of the workshop was to raise recognition within the star
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cdea5377b7d2f1652ef8730cbea6ac9
http://arxiv.org/abs/astro-ph/0604384
http://arxiv.org/abs/astro-ph/0604384
Autor:
Francesco Damiani, Manuel Güdel, Jean-François Donati, G. G. Sacco, Scott G. Gregory, Marc Audard, Antonio Maggio, Evelyne Alecian, Jerome Bouvier, Joel H. Kastner, G. A. J. Hussain, Costanza Argiroffi, D. P. Huenemoerder, Thierry Montmerle
Publikováno v:
Proceedings of the International Astronomical Union. 9:46-47
We present results of the X-ray monitoring of V4046 Sgr, a close classical T Tauri star binary, with both components accreting material. The 360 ks long XMM observation allowed us to measure the plasma densities at different temperatures, and to chec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c0ad32fc252616bf70cb2319cecdcf7
https://doi.org/10.1017/s1743921314001690
https://doi.org/10.1017/s1743921314001690