Zobrazeno 1 - 10
of 103
pro vyhledávání: '"R. O̸stensen"'
Akademický článek
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Publikováno v:
AIP Conference Proceedings.
We present a catalog of 857 white dwarf (WD)-M binaries from the sixth data release (DR6) of the Sloan Digital Sky Survey (SDSS), most of which were previously identified. For 636 of them, we complete a spectral analysis and derive the basic paramete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6257041c8e1263cf2334a9e0014a95b
https://doi.org/10.1063/1.3099271
https://doi.org/10.1063/1.3099271
Autor:
M. Desmet, C. Aerts, J. M. Matthews, C. Cameron, R. Kuschnig, G. A. H. Walker, S. Yang, D. Bohlender, R. O̸stensen, M. Briquet, D. B. Guenther, A. F. J. Moffat, S. Rucinski, D. Sasselov, W. W. Weiss, Joyce Ann Guzik, Paul A. Bradley
Publikováno v:
AIP Conference Proceedings.
We present a unique observational study of Spica, a binary system with a primary component of the β Cephei type. We exploit simultaneous high‐resolution spectroscopic observations and high‐precision photometry obtained by the MOST satellite. An
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::917575d0587ce7f12f9c87403234cfc1
https://doi.org/10.1063/1.3246517
https://doi.org/10.1063/1.3246517
Autor:
M. Vučković, S. D. Kawaler, S. O’Toole, Z. Csubry, A. Baran, S. Zola, P. Moskalik, E. W. Klumpe, R. Riddle, M. S. O’Brien, F. Mullally, M. A. Wood, V. Wilkat, A.‐Y. Zhou, M. D. Reed, D. M. Terndrup, D. J. Sullivan, S.‐L. Kim, W. P. Chen, C.‐W. Chen, W.‐S. Hsiao, K. Sanchawala, H.‐T. Lee, X. J. Jiang, R. Janulis, M. Siwak, W. Ogloza, M. Paparo, Zs. Bognar, A. Sodor, G. Handler, D. Lorenz, B. Steininger, R. Silvotti, G. Vauclair, R. Oreiro, R. Ostensen, A. Bronowska, B. G. Castanheira, S. O. Kepler, L. Fraga, H. L. Shipman, J. L. Provencal, D. Childers
Publikováno v:
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
PG 0014+067 is one of the most promising pulsating subdwarf B stars for seismic analysis, as it has a rich pulsation spectrum. The richness of its pulsations, however, poses a fundamental challenge to understanding the pulsations of these stars, as t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e89e64e4a2aa3d02fc5c28241d0489f
Autor:
Dae-Sik Moon, R. M. Crockett, Rolf-Peter Kudritzki, Stephen Bradley Cenko, Stephen Smartt, Avishay Gal-Yam, Justyn R. Maund, Chris Benn, D. W. Fox, Martin Hendry, R. Ostensen
We present a monitoring study of SN 2004A and probable discovery of a progenitor star in pre-explosion HST images. The photometric and spectroscopic monitoring of SN 2004A show that it was a normal Type II-P which was discovered in NGC 6207 about two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9002e54ac27c9f0ad081bf69b9fe682
Akademický článek
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Akademický článek
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Publikováno v:
Science with Adaptive Optics ISBN: 3540250344
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7c1fe7b697e0f41da5d97afddc42a25
https://doi.org/10.1007/10828557_1
https://doi.org/10.1007/10828557_1
Autor:
Richard M. Myers, Sebastian Els, Richard Wilson, Thomas Gregory, Andy Longmore, R. Ostensen, Ilona K. Soechting, S. J. Goodsell, Chris Benn, Gordon Talbot
Publikováno v:
Advancements in Adaptive Optics.
Using a unique combination of empirical data collected simultaneously by the science camera (INGRID) and the wave front sensor in NAOMI plus the same night profiles of the turbulent layers measured by SLODAR, we discuss the accuracy of the analytic a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fcda150e268b30e34525d5ed85b3574
https://doi.org/10.1117/12.552046
https://doi.org/10.1117/12.552046
Autor:
Paul Jolley, R. Ostensen, R. G. M. Rutten, Sebastian Els, Thomas Gregory, Chris Benn, Olivier J. F. Martin, Ilona K. Soechting, Simon J. Rees, Gordon Talbot, Richard M. Myers, Craige Bevil, Simon Tulloch, Andy Longmore, Stephen J. Goodsell, Maarten Blanken
Publikováno v:
Advancements in Adaptive Optics.
NAOMI is the AO system of the 4.2-m William Herschel Telescope on La Palma. It delivers near-diffraction-limited images in the IR, and a significantly improved PSF at optical wavelengths. The science cameras currently comprise an IR imager (INGRID),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1aac49b97bb4d63b6169808e5abff8ae
https://doi.org/10.1117/12.552216
https://doi.org/10.1117/12.552216