479 citations
- The University of Texas at AustinUS9 papers
- Uniwersytet Komisji Edukacji Narodowej w KrakowiePL7 papers
- Centre National de la Recherche ScientifiqueFR6 papers
- National Astronomical Observatory of JapanJP6 papers
- University of WashingtonUS6 papers
- Fermi National Accelerator LaboratoryUS5 papers
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- South African Radio Astronomy ObservatoryZA5 papers
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13 papers · 1 filter
The pulsation modes of the pre-white dwarf PG 1159-035
J. E. S. Costa, S. O. Kepler, D. E. Winget +74
PG 1159-035, a pre-white dwarf with T_eff=140,000 K, is the prototype of both two classes: the PG1159 spectroscopic class and the DOV pulsating class. Previous studies of PG 1159-0…
Oscillations in Procyon A: First results from a multi-site campaign
S. Hekker, T. Arentoft, H. Kjeldsen +45
Procyon A is a bright F5IV star in a binary system. Although the distance, mass and angular diameter of this star are all known with high precision, the exact evolutionary state is…
V1647 Orionis: One Year into Quiescence
Colin Aspin, Tracy L. Beck, Bo Reipurth
We present new optical, near-IR, and mid-IR observations of the young eruptive variable star V1647 Orionis that went into outburst in late 2004 for approximately two years. Our obs…
White Dwarf Luminosity and Mass Functions from Sloan Digital Sky Survey Spectra
Steven DeGennaro, Ted von Hippel, D. E. Winget +4
We present the first phase in our ongoing work to use Sloan Digital Sky Survey (SDSS) data to create separate white dwarf (WD) luminosity functions for two or more different mass r…
The birth place of the type Ic Supernova 2007gr
R. Mark Crockett, Justyn R. Maund, Stephen J. Smartt +8
We report our attempts to locate the progenitor of the peculiar type Ic SN 2007gr in HST pre-explosion images of the host galaxy, NGC 1058. Aligning adaptive optics Altair/NIRI ima…
The Sloan Digital Sky Survey-II Supernova Survey: Technical Summary
Joshua A. Frieman, B. Bassett, A. Becker +98
The Sloan Digital Sky Survey-II (SDSS-II) has embarked on a multi-year project to identify and measure light curves for intermediate-redshift (0.05 < z < 0.35) Type Ia supernovae (…