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A COMPREHENSIVE SPECTROSCOPIC ANALYSIS OF DB WHITE DWARFS
- P. Bergeron, F. Wesemael, +9 authors J. Liebert
- Physics
- 27 May 2011
We present a detailed analysis of 108 helium-line (DB) white dwarfs based on model atmosphere fits to high signal-to-noise optical spectroscopy. We derive a mean mass of 0.67 M ☉ for our sample, with… Expand
KNOW YOUR NEIGHBORHOOD: A DETAILED MODEL ATMOSPHERE ANALYSIS OF NEARBY WHITE DWARFS
- N. Giammichele, P. Bergeron, P. Dufour
- Physics
- 24 February 2012
We present improved atmospheric parameters of nearby white dwarfs lying within 20 pc of the Sun. The aim of the current study is to obtain the best statistical model of the least-biased sample of the… Expand
A disintegrating minor planet transiting a white dwarf
- A. Vanderburg, J. Johnson, +16 authors J. Wright
- Geology, Medicine
- Nature
- 21 October 2015
Most stars become white dwarfs after they have exhausted their nuclear fuel (the Sun will be one such). Between one-quarter and one-half of white dwarfs have elements heavier than helium in their… Expand
Aspergillus galactomannan detection in the diagnosis of invasive aspergillosis in cancer patients.
- R. Herbrecht, V. Letscher-Bru, +10 authors E. Candolfi
- Medicine
- Journal of clinical oncology : official journal…
- 1 April 2002
PURPOSE
To assess the Aspergillus galactomannan enzyme-linked immunosorbent assay (ELISA) in the diagnosis of invasive aspergillosis (IA) in adult and pediatric oncohematologic patients.
PATIENTS… Expand
From shock breakout to peak and beyond: Extensive panchromatic observations of the type Ib supernova 2008D associated with swift x-ray transient 080109
- M. Modjaz, W. Li, +38 authors W. M. Wood-Vasey
- Physics
- 15 May 2008
We present extensive early photometric (ultraviolet through near-infrared) and spectroscopic (optical and near-infrared) data on supernova (SN) 2008D as well as X-ray data analysis on the associated… Expand
New white dwarf stars in the Sloan Digital Sky Survey Data Release 10
- S. O. Kepler, I. Pelisoli, +11 authors A. Rebassa-Mansergas
- Physics
- 15 November 2014
We report the discovery of 9 089 new spectroscopically confirmed white dwarfs and subdwarfs in the Sloan Digital Sky Survey Data Release 10. We obtain Teff, log g and mass for hydrogen atmosphere… Expand
New white dwarf stars in the Sloan Digital Sky Survey Data Release 10
- S. O. Kepler, I. Pelisoli, +11 authors A. Rebassa-Mansergas
- Physics
- 15 November 2014
We report the discovery of 9 089 new spectroscopically confirmed white dwarfs and subdwarfs in the Sloan Digital Sky Survey Data Release 10. We obtain Teff, log g and mass for hydrogen atmosphere… Expand
Hot DQ White Dwarfs: Something Different
- P. Dufour, G. Fontaine, J. Liebert, G. Schmidt, N. Behara
- Physics
- 3 May 2008
We present a detailed analysis of all the known hot DQ white dwarfs in the Fourth Data Release of the Sloan Digital Sky Survey (SDSS) recently found to have carbon-dominated atmospheres. Our… Expand
Detailed compositional analysis of the heavily polluted DBZ white dwarf SDSS J073842.56+183509.06: A window on planet formation?
- P. Dufour, M. Kilic, G. Fontaine, P. Bergeron, C. Melis, J. Bochanski
- Physics
- 30 January 2012
We present a new model atmosphere analysis of the most metal-contaminated white dwarf known, the DBZ SDSS J073842.56+183509.06. Using new high-resolution spectroscopic observations taken with Keck… Expand
THE SOLAR NEIGHBORHOOD. XXI. PARALLAX RESULTS FROM THE CTIOPI 0.9 m PROGRAM: 20 NEW MEMBERS OF THE 25 PARSEC WHITE DWARF SAMPLE
- J. Subasavage, W. Jao, +10 authors University of Chile
- Physics
- 3 February 2009
We present accurate trigonometric parallaxes for 20 new members of the 25 pc white dwarf (WD) sample as part of the Discovery and Evalution of Nearby Stellar Embers (DENSE) project.7… Expand