125 citations
- University of California, BerkeleyUS30 papers
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10 papers · 2 filters
Spectropolarimetric Observations of Supernovae
Alexei V. Filippenko, Douglas C. Leonard
We briefly review the existing database of supernova spectropolarimetry, concentrating on recent data and on results from our group's research. Spectropolarimetry provides the only…
Imaging the Sunyaev Zel'dovich Effect using ACBAR on Viper
A. K. Romer, P. L. Gomez, C. M. Cantalupo +13
During 2001 and 2002, observations of several X-ray bright clusters of galaxies were conducted using the ACBAR Bolometer Array on the South Pole Viper telescope. A multi-frequency…
Observations of Type Ia Supernovae, and Challenges for Cosmology
Weidong Li, Alexei V. Filippenko
Observations of Type Ia supernovae (SNe Ia) reveal correlations between their luminosities and light-curve shapes, and between their spectral sequence and photometric sequence. Ass…
Optical, Ultraviolet, and Infrared Observations of SN 1993J
Alexei V. Filippenko, Thomas Matheson
We review the existing set of optical/UV/IR observations of Supernova 1993J, concentrating heavily on optical data because these are by far the most plentiful. Some results from th…
Dark Matter in Dwarf Galaxies: Latest Density Profile Results
Joshua D. Simon, Alberto D. Bolatto, Adam Leroy +1
We present high-resolution two-dimensional velocity fields in Halpha and CO of the nearby dwarf galaxy NGC 2976. Our observations were made at both higher spatial resolution (~75 p…
Dark Matter in Dwarf Galaxies: The First Dark Galaxy?
Joshua D. Simon, Timothy Robishaw, Leo Blitz
We present new HI observations of the high-velocity cloud (HVC) that we resolved near the Local Group dwarf galaxy LGS 3. The cloud is rotating, with an implied mass that makes it…