Radial Velocity and Astrometric Evidence for a Close Companion to Betelgeuse

Authors: MacLeod, Morgan, Blunt, Sarah, De Rosa, Robert J., Dupree, Andrea K., Granzer, Thomas, Harper, Graham M., Huang, Caroline D., Leiner, Emily M., Loeb, Abraham, Nielsen, Eric L., Strassmeier, Klaus G., Wang, Jason J., Weber, Michael

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2409.11332

Stellar Spin Down in Post-Mass Transfer Binary Systems

Authors: Sun, Meng, Gossage, Seth, Leiner, Emily M., Geller, Aaron M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - High Energy Astrophysical Phenomena

Access URL: http://arxiv.org/abs/2403.17279

Wind Roche-lobe Overflow in Low-Mass Binaries: Exploring the Origin of Rapidly Rotating Blue Lurkers

Authors: Sun, Meng, Levina, Sasha, Gossage, Seth, Kalogera, Vicky, Leiner, Emily M., Geller, Aaron M., Doctor, Zoheyr

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2311.07528

WIYN Open Cluster Study. LXXXVII. HST Ultraviolet Detection of Hot White Dwarf Companions to Blue Lurkers in M67

Authors: Nine, Andrew C., Mathieu, Robert D., Gosnell, Natalie M., Leiner, Emily M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2301.02303

Revealing the Field Sub-subgiant Population Using a Catalog of Active Giant Stars and Gaia EDR3

Authors: Leiner, Emily M., Geller, Aaron M., Gully-Santiago, Michael A., Gosnell, Natalie M., Tofflemire, Benjamin M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2112.09100

Observationally Constraining the Starspot Properties of Magnetically Active M67 Sub-Subgiant S1063

Authors: Gosnell, Natalie M., Gully-Santiago, Michael A., Leiner, Emily M., Tofflemire, Benjamin M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2111.05809

A Census of Blue Stragglers in Gaia DR2 Open Clusters as a Test of Population Synthesis and Mass Transfer Physics

Authors: Leiner, Emily M., Geller, Aaron

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2101.11047

Stellar Radial Velocities in the Old Open Cluster M67 (NGC 2682). II. The Spectroscopic Binary Population

Authors: Geller, Aaron M., Mathieu, Robert D., Latham, David W., Pollack, Maxwell, Torres, Guillermo, Leiner, Emily M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2101.07883

WOCS 5379: Detailed Analysis of the Evolution of a Post-Mass-Transfer Blue Straggler

Authors: Sun, Meng, Mathieu, Robert D., Leiner, Emily M., Townsend, R. H. D.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2012.08502

WIYN Open Cluster Study. LXXVII. Radial-Velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 7789

Authors: Nine, Andrew C., Milliman, Katelyn E., Mathieu, Robert D., Geller, Aaron M., Leiner, Emily M., Platais, Imants, Tofflemire, Benjamin M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2003.09732

Constraining Mass Transfer Histories of Blue Straggler Stars with COS Spectroscopy of White Dwarf Companions

Authors: Gosnell, Natalie M., Leiner, Emily M., Mathieu, Robert D., Geller, Aaron M., Knigge, Christian, Sills, Alison, Leigh, Nathan W. C.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/1904.02280

The Blue Lurker WOCS 14020: A Long-period Post-common-envelope Binary in M67 Originating from a Merger in a Triple System.

Authors: Leiner, Emily M., Gosnell, Natalie M., Geller, Aaron M., Sun, Meng, Mathieu, Robert D., Sills, Alison

Source: Astrophysical Journal Letters; 1/20/2025, Vol. 979 Issue 1, p1-9, 9p

On the Origin of Sub-subgiant Stars. III. Formation Frequencies

Authors: Geller, Aaron M., Leiner, Emily M., Chatterjee, Sourav, Leigh, Nathan W. C., Mathieu, Robert D., Sills, Alison

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/1703.10172

On the Origin of Sub-subgiant Stars. I. Demographics

Authors: Geller, Aaron M., Leiner, Emily M., Bellini, Andrea, Gleisinger, Robert, Haggard, Daryl, Kamann, Sebastian, Leigh, Nathan W. C., Mathieu, Robert D., Sills, Alison, Watkins, Laura L., Zurek, David

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/1703.10167

Wind Roche-lobe Overflow in Low-mass Binaries: Exploring the Origin of Rapidly Rotating Blue Lurkers.

Authors: Sun, Meng, Levina, Sasha, Gossage, Seth, Kalogera, Vicky, Leiner, Emily M., Geller, Aaron M., Doctor, Zoheyr

Source: Astrophysical Journal; 7/1/2024, Vol. 969 Issue 1, p1-14, 14p

Subject Terms: ANGULAR momentum (Mechanics), STELLAR evolution, STELLAR mass, LOW mass stars, HR diagrams, STELLAR winds, BINARY stars

Observationally Constraining the Starspot Properties of Magnetically Active M67 Sub-subgiant S1063.

Authors: Gosnell, Natalie M., Gully-Santiago, Michael A., Leiner, Emily M., Tofflemire, Benjamin M.

Source: Astrophysical Journal; 1/20/2022, Vol. 925 Issue 1, p1-12, 12p

Subject Terms: STELLAR evolution, GIANT stars, BINARY stars, LIGHT curves, INFRARED astronomy

WOCS 5379: Detailed Analysis of the Evolution of a Post-mass-transfer Blue Straggler.

Authors: Sun, M., Mathieu, Robert D., Leiner, Emily M., Townsend, R. H. D.

Source: Astrophysical Journal; 2/10/2021, Vol. 908 Issue 1, p1-13, 13p

Subject Terms: MASS transfer, HR diagrams, DWARF stars, MAIN sequence (Astronomy), OPEN clusters of stars, RED giants, WHITE dwarf stars