Results 91 to 100 of about 1,757 (195)

Climatic Effects of Ocean Salinity on M Dwarf Exoplanets

The Astrophysical Journal Letters
Ocean salinity is known to dramatically affect the climates of Earth-like planets orbiting Sun-like stars, with high salinity leading to less ice and higher surface temperature.
Kyle Batra, Stephanie L. Olson
doaj   +1 more source

Searching for GEMS: Discovery and Characterization of Two Brown Dwarfs Around M Dwarfs

The Astronomical Journal
Brown dwarfs bridge the gap between stars and planets, providing valuable insight into both planetary and stellar-formation mechanisms. Yet the census of transiting brown-dwarf companions, in particular around M-dwarf stars, remains incomplete. We report
Alexander Larsen, Tera N. Swaby, Henry A. Kobulnicky, Caleb I. Cañas, Shubham Kanodia, Jessica Libby-Roberts, Andrew Monson, Arvind F. Gupta, William Cochran, Suvrath Mahadevan, Chad Bender, Scott A. Diddams, Samuel Halverson, Andrea S. J. Lin, Maxwell Moe, Joe Ninan, Paul Robertson, Arpita Roy, Christian Schwab, Gudmundur Stefansson   +19 more
doaj   +1 more source

LAMOST J101356.33+272410.7: A Detached White Dwarf–Main-sequence Binary with a Massive White Dwarf within the Period Gap

The Astrophysical Journal
We report the analysis of the detached eclipsing spectroscopic binary system LAMOST J101356.33+272410.7, which features a massive white dwarf and has an orbital period of 185.82 minutes. Using Large Sky Area Multi-Object Fiber Spectroscopic Telescope and
Yuji He, Hailong Yuan, Zhongrui Bai, Mingkuan Yang, Mengxin Wang, Yiqiao Dong, Xin Huang, Ming Zhou, Qian Liu, Xiaozhen Yang, Ganyu Li, Ziyue Jiang, Haotong Zhang   +12 more
doaj   +1 more source

Searching for Radio Late-type Dwarf Stars in the GLEAM-X DR1 Catalog

The Astrophysical Journal
We have developed a new method of multiwavelength data combination for the search of late-type radio dwarfs, and have put it into practice using GLEAM-X DR1 data.
Qichen Huang, Biwei Jiang, Zehao Zhang, Albert Zijlstra   +3 more
doaj   +1 more source

On M Dwarf Flare Stars [PDF]

Monthly Notices of the Royal Astronomical Society, 1966
openaire   +1 more source

The Mega-MUSCLES Treasury Survey: X-Ray to Infrared Spectral Energy Distributions of a Representative Sample of M Dwarfs

The Astrophysical Journal
We present 5–1 × 10 ^7 Å spectral energy distributions (SEDs) for 12 M dwarf stars covering spectral types M0–M8. Our SEDs are provided for community use as a sequel to the Measurements of the Ultraviolet Spectral Characteristics of Low-mass Exoplanetary
David J. Wilson, Cynthia S. Froning, Girish M. Duvvuri, Allison Youngblood, Kevin France, Alexander Brown, P. Christian Schneider, Zachory Berta-Thompson, Andrea P. Buccino, Jeffrey Linsky, R. O. Parke Loyd, Yamila Miguel, Elisabeth Newton, J. Sebastian Pineda, Seth Redfield, Aki Roberge, Sarah Rugheimer, Mariela C. Vieytes   +17 more
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Spectral Types of M Dwarf Stars

The Astrophysical Journal Supplement Series, 1974
Alfred H. Joy, Helmut A. Abt
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Characterizing M dwarf host stars of two candidate Hycean worlds

Monthly Notices of the Royal Astronomical Society
ABSTRACT Planetary systems orbiting M dwarf host stars are promising targets for atmospheric characterization of low-mass exoplanets. Accurate characterization of M dwarf hosts is important for detailed understanding of the planetary properties and physical processes, including potential habitability.
Lalitha Sairam, Nikku Madhusudhan
openaire   +2 more sources

Searching for GEMS: TOI-5349 b is a Saturn-like Planet Orbiting a Metal-rich Early M Dwarf

The Astronomical Journal
We report the confirmation and analysis of TOI-5349 b, a transiting, warm, Saturn-like planet orbiting an early M dwarf with a period of ∼3.3 days, which we confirmed as part of the Searching for GEMS survey.
Angeli Sandoval, Caleb I. Cañas, Shubham Kanodia, Knicole D. Colón, Andrew Monson, Alexander Larsen, Tera N. Swaby, Henry A. Kobulnicky, Philip I. Choi, Sage Santomenna, Pei Qin, Michael Rodruck, William D. Cochran, Nina Brown, Madison Brady, Andreas Seifahrt, Arvind F. Gupta, Jesus Higuera, Mark E. Everett, Zuri Barksdale, Ritvik Basant, Jacob L. Bean, Scott A. Diddams, Giannina Guzmán Caloca, Samuel Halverson, Jessica Libby-Roberts, Andrea S. J. Lin, Rafael Luque, Arpita Roy, Guđmundur Stefánsson   +29 more
doaj   +1 more source

The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc

The Astronomical Journal
M dwarfs are ubiquitous in our Galaxy, and the rate at which they host stellar companions, and the properties of these companions, provide a window into the formation and evolution of the star(s), and of any planets that they may host.
Catherine A. Clark, Gerard T. van Belle, Elliott P. Horch, David R. Ciardi, Kaspar von Braun, Brian A. Skiff, Jennifer G. Winters, Michael B. Lund, Mark E. Everett, Zachary D. Hartman, Joe Llama   +10 more
doaj   +1 more source