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The ELM Survey South. II. Two dozen new low mass white dwarf binaries
Alekzander Kosakowski, Warren R. Brown, Mukremin Kilic +5
We present the results from our ongoing spectroscopic survey targeting low mass white dwarf binaries, focusing on the southern sky. We used a Gaia DR2 and eDR3 based selection and…
The 100 pc White Dwarf Sample in the SDSS Footprint
Mukremin Kilic, P. Bergeron, Alekzander Kosakowski +3
We present follow-up spectroscopy of 711 white dwarfs within 100 pc, and present a detailed model atmosphere analysis of the 100 pc white dwarf sample in the SDSS footprint. Our sp…
The ELM Survey. VIII. 98 Double White Dwarf Binaries
Warren R. Brown, Mukremin Kilic, Alekzander Kosakowski +7
We present the final sample of 98 detached double white dwarf (WD) binaries found in the Extremely Low Mass (ELM) Survey, a spectroscopic survey targeting <0.3 Msun He-core WDs com…
A Serendipitous Pulsar Discovery in a Search for a Companion to a Low-Mass White Dwarf
Jeff J. Andrews, Marcel A. Agüeros, Fernando Camilo +4
We report the discovery of a previously unidentified pulsar as part of a radio campaign to identify neutron star companions to low-mass white dwarfs (LMWDs) using the Robert C.\ By…
A New Look at an Old Cluster: The Membership, Rotation, and Magnetic Activity of Low-Mass Stars in the 1.3-Gyr-Old Open Cluster NGC 752
Marcel Agüeros, Emily Bowsher, John Bochanski +8
The nearby open cluster NGC 752 presents a rare opportunity to study stellar properties at ages >1 Gyr. However, constructing a membership catalog for it is challenging; most surve…
Wide Binaries in Tycho-Gaia II: Metallicities, Abundances, and Prospects for Chemical Tagging
Jeff J. Andrews, Julio Chanamé, Marcel A. Agüeros
From our recent catalog based on the first Gaia data release (TGAS), we select wide binaries in which both stars have been observed by the Radial Velocity Experiment (RAVE) or the…