Zobrazeno 1 - 10
of 495
pro vyhledávání: '"Dupuis, J. P."'
We report the first detection of cesium (Z = 55) in the atmosphere of a white dwarf. Around a dozen absorption lines of Cs IV, Cs V, and Cs VI have been identified in the Far Ultraviolet Spectroscopic Explorer spectrum of the He-rich white dwarf HD 1
Externí odkaz:
http://arxiv.org/abs/2211.01868
Akademický článek
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Publikováno v:
International Medical Case Reports Journal, Vol Volume 14, Pp 25-31 (2021)
Jessica El-Khazen Dupuis, Michael Marchand, Simon Javidi, Tuan Quynh Tram Nguyen Department of Ophthalmology, Centre Hospitalier de l’Université de Montréal (CHUM), Montreal, QC H2X 3E4, CanadaCorrespondence: Michael MarchandDepartment of Ophthal
Externí odkaz:
https://doaj.org/article/deee3a8c3d074ade92900edf2a129c8a
Autor:
Sion, E. M., Bond, H. E., Lindler, D., Godon, P., Wickramasinghe, D., Ferrario, L., Dupuis, J.
We have carried out an analysis of the HST STIS archival spectra of the magnetic white dwarf in the Hyades eclipsing-spectroscopic, post-common envelope binary V471 Tauri, time resolved on the orbit and on the X-ray rotational phase of the magnetic w
Externí odkaz:
http://arxiv.org/abs/1203.4787
Autor:
Chayer, P., Dupuis, J.
Elements heavier than hydrogen or helium that are present in the atmospheres of white dwarfs with effective temperatures lower than 25,000 K, are believed to be the result of accretion. By measuring the abundances of these elements and by assuming a
Externí odkaz:
http://arxiv.org/abs/1010.2518
Publikováno v:
J.Phys.Conf.Ser.172:012046,2009
We present new calculations for the Stark broadening of the hydrogen line profiles in the dense atmospheres of white dwarf stars. Our improved model is based on the unified theory of Stark broadening from Vidal, Cooper & Smith, but it also includes n
Externí odkaz:
http://arxiv.org/abs/0904.0983
Autor:
Dixon, W. V., Sahnow, D. J., Barrett, P. E., Civeit, T., Dupuis, J., Fullerton, A. W., Godard, B., Hsu, J. C., Kaiser, M. E., Kruk, J. W., Lacour, S., Lindler, D. J., Massa, D., Robinson, R. D., Romelfanger, M. L., Sonnentrucker, P.
Since its launch in 1999, the Far Ultraviolet Spectroscopic Explorer (FUSE) has made over 4600 observations of some 2500 individual targets. The data are reduced by the Principal Investigator team at the Johns Hopkins University and archived at the M
Externí odkaz:
http://arxiv.org/abs/0704.0899
Autor:
Christian, D. J., Mathioudakis, M., Bloomfield, D. S., Dupuis, J., Keenan, F. P., Pollacco, D. L., Malina, R. F.
We present FUV and UV spectroscopic observations of AD Leonis, with the aim of investigating opacity effects in the transition regions of late-type stars. The C III lines in FUSE spectra show significant opacity during both the quiescent and flaring
Externí odkaz:
http://arxiv.org/abs/astro-ph/0602447
Autor:
Hebrard, G., Tripp, T. M., Chayer, P., Friedman, S. D., Dupuis, J., Sonnentrucker, P., Williger, G. M., Moos, H. W.
Publikováno v:
Astrophys.J.635:1136-1150,2005
We present a study of the deuterium abundance along the extended sight line (2.7kpc) toward HD 90087 with FUSE. Both in terms of distance and column densities, HD 90087 has the longest and densest sight line observed in the Galactic disk for which a
Externí odkaz:
http://arxiv.org/abs/astro-ph/0508611
Publikováno v:
Astrophys.J. 625 (2005) 210-231
We determine the D/H ratio in the interstellar medium toward the DO white dwarf PG0038+199 using spectra from the Far Ultraviolet Spectroscopic Explorer (FUSE), with ground-based support from Keck HIRES. We employ curve of growth, apparent optical de
Externí odkaz:
http://arxiv.org/abs/astro-ph/0501320