Results 251 to 260 of about 11,210,903 (298)

A binary-related origin mediated by environmental conditions for blue straggler stars. [PDF]

Nat Commun
Ferraro FR, Lanzoni B, Vesperini E, Dalessandro E, Cadelano M, Pallanca C, Beccari G, Nardiello D, Libralato M, Piotto G.   +9 more
europepmc   +1 more source

The fragmentation properties of massive star-forming regions in 30Dor-10 at 2000 au resolution. [PDF]

Nat Commun
Traficante A, Jiménez-Donaire MJ, Indebetouw R, Wong T, Nucara A, Klessen RS, Hennebelle P, Lebreuilly U, Mininni C, Molinari S, Sabbi E, Soler JD.   +11 more
europepmc   +1 more source

A Faint Progenitor System for the Faint Supernova 2024vjm

Zimmerman E, Gal-Yam A, Groot P, Ofek E, Roestel Jv, Pastorello A, Valenti S, Ravi A, Chen P, Schulze S, Blagorodnova N, Wavasseur M, Gómez-Muñoz M, Tranin H, de Wet S, Leloudas G, Vreeswijk P, Kwok L, Schwab M, Jha S, Maguire K, Sand D, Stringer E, Kupfer T, Faran T, Anderson J, Andrews J, Andrews M, Badash A, Bloemen S, Bostroem K, Chen T, Valle MD, Dimitriadis G, Dong Y, Farah J, Gillanders J, Godson B, Gromadzki M, Hiramatsu D, Hoang E, Howell D, Janzen D, Kuncarayakti H, Li J, Lyman J, Maeda K, Magee M, Mehta D, Milligan A, Moran S, Ni YQ, O’Neill D, Pearson J, Pieterse D, Pignata G, Reguitti A, Reichart D, Retamal NM, Santos R, Scaringi S, Shrestha M, Srivastav S, Stoppa F, Subrayan B, Valerin G, Wang X, Wynn K, Yaron O, Zang W.   +69 more
europepmc   +1 more source

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A low-mass star with a large-mass planet

Science, 2023
A large planet orbiting a very low-mass star challenges theories of planet ...
openaire   +2 more sources

Searching for Low Mass Stars in the Halo

Astrophysics and Space Science, 1999
From microlensing events detected at high galactic latitude as well as from direct measurements of the halo stellar density, estimations of a potential contribution of low mass stars to the mass budget is questioned. Up to now no clear answer has been found for one main reason: the difficulty to observe them in a sufficient volume, which requires deep ...
A.C. Robin, M. Crézé, V. Mohan
openaire   +1 more source

Low mass stars

Astrophysics and Space Science, 1994
Low mass stars contribute an important fraction to the mass of our Galaxy. Due to the faintness of these stars a direct investigation of their space distribution and kinematics can be carried out only in the immediate solar neighbourhood. This fact emphasizes the importance of the “Third Catalogue of Nearby Stars” (CNS3) as a probe of the stellar ...
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Very Low Mass Stars

Annual Review of Astronomy and Astrophysics, 1987
Very low mass (VLM) stars, which we define here somewhat arbitrarily as those with masses ;$ 0.3 M 0' pose some of the more interesting problems in stellar astrophysics. The physics of their envelopes and atmospheres are more complicated and their structures less well modeled than their more massive counterparts.
James Liebert, Ronald G. Probst
openaire   +2 more sources

THE ORIGIN OF LOW MASS STARS

Origins of life and evolution of the biosphere, 1997
Recent evidence indicates that most low mass stars in the Galaxy (< 5 M [symbol: see text]) form alongside massive stars in clusters embedded in giant molecular clouds. Once their parental gas is removed, the fate of these clusters is to disperse and blend into the field population of the galactic disk.
openaire   +2 more sources

Low- and Intermediate-Mass Stars

2018
Energy in stars is provided by nuclear reactions, which, in many cases, produce radioactive nuclei. When stable nuclei are irradiated by a flux of protons or neutrons, capture reactions push stable matter out of stability into the regime of unstable species. The ongoing production of radioactive nuclei in the deep interior of the Sun via proton-capture
Maria Lugaro, Alessandro Chieffi
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The Evolution of Low-Mass Stars

1995
We present evolutionary models for low-mass stars using the best currently available physics for the equation of state, the Rosseland mean opacities and the screening factors of thermonuclear reaction rates. We follow the evolution of stars of mass M ≤ 0. 6 M⊙ down to the hydrogen burning minimum mass, with initial metallicity Z=0, 10-3 and 0. 02.
I. Baraffe, G. Chabrier
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