A Survey of the ISM in Elliptical Galaxies. I. The Ionized Gas
We present the results of an optical imaging survey of 73 luminous early-type galaxies directed to study the properties of their interstellar medium. We have...
A Swift/XRT observation of Aql X-1 during its recent outburst
We report on an observation performed with the Swift/XRT of the neutron-star X-ray transient Aql X-1 which was recently found to start a new outburst as...
A Systematic Search for and Characterization of White Dwarf Binaries Across the H-R Diagram
White dwarfs (WDs) are the endpoint of evolution for 97% of stars. Most of these stars are in multiple systems, and a significant fraction of those are compact...
A Tale of Two Regions: Site Protection Experience and Updated Regulations in Arizona and the Canary Islands
Some of the world's largest telescopes and largest concentrations of telescopes are on sites in Arizona and the Canary Islands. Active site protection efforts...