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4 papers · 2 filters
Confirmation of Hostless Type Ia Supernovae Using Hubble Space Telescope Imaging
Melissa L. Graham, David J. Sand, Dennis Zaritsky +1
We present deep Hubble Space Telescope imaging at the locations of four, potentially hostless, long-faded Type Ia supernovae (SNe Ia) in low-redshift, rich galaxy clusters that wer…
The 0.3-30 keV Spectra of Powerful Starburst Galaxies: NuSTAR and Chandra Observations of NGC 3256 and NGC 3310
B. D. Lehmer, J. B. Tyler, A. E. Hornschemeier +13
We present nearly simultaneous Chandra and NuSTAR observations of two actively star-forming galaxies within 50 Mpc: NGC 3256 and NGC 3310. Both galaxies are detected by both Chandr…
The Lick AGN Monitoring Project 2011: Spectroscopic Campaign and Emission-Line Light Curves
A. J. Barth, V. N. Bennert, G. Canalizo +27
In the Spring of 2011 we carried out a 2.5 month reverberation mapping campaign using the 3 m Shane telescope at Lick Observatory, monitoring 15 low-redshift Seyfert 1 galaxies. Th…
A Comprehensive Archival Search for Counterparts to Ultra-Compact High Velocity Clouds: Five Local Volume Dwarf Galaxies
D. J. Sand, D. Crnojević, P. Bennet +17
We report five Local Volume dwarf galaxies (two of which are presented here for the first time) uncovered during a comprehensive archival search for optical counterparts to ultra-c…