Results 21 to 30 of about 29,336 (265)
A Distance Measurement to M33 Using Optical Photometry of Mira Variables
The Astronomical Journal, 2023 We present a systematic analysis to determine and improve the pulsation periods of 1637 known long-period Mira variables in M33 using gri -band light curves spanning ∼18 yr from several surveys, including the M33 variability survey, Panoramic Survey ...
Jia-Yu Ou +6 more
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Mass loss of stars on the asymptotic giant branch
The Astronomy and Astrophysics Review, 2018 As low- and intermediate-mass stars reach the asymptotic giant branch (AGB), they have developed into intriguing and complex objects that are major players in the cosmic gas/dust cycle.
S. Höfner, H. Olofsson
semanticscholar +2 more sources
Pulsation-triggered dust production by asymptotic giant branch stars [PDF]
Monthly notices of the Royal Astronomical Society, 2018 Eleven nearby (
I. McDonald +3 more
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Magnetic and non-magnetic AGB mixing for s-processing [PDF]
EPJ Web of Conferences, 2023 I outline a few features of recent models for the formation of the neutron source 13C(α,n)16O in low mass stars (1 ≲ M/M⊙ ≲ 3, LMS ) ascendingfor the second time the Red Giant Branch, generally called Asymptotic Giant Branch, or AGB stars. I also briefly
Busso Maurizio
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Infrared Properties of Asymptotic Giant Branch Stars in Our Galaxy and the Magellanic Clouds [PDF]
Astrophysical Journal, 2019 We investigate the infrared properties of asymptotic giant branch (AGB) stars in our Galaxy and the Magellanic Clouds using various infrared observational data and theoretical models.
K. Suh
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Quantifying Uncertainties on the Tip of the Red Giant Branch Method
The Astronomical Journal, 2023 We present an extensive grid of numerical simulations quantifying the uncertainties in measurements of the tip of the red giant branch (TRGB). These simulations incorporate a luminosity function composed of 2 mag of red giant branch (RGB) stars leading ...
Barry F. Madore +3 more
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The Astrophysical Journal, 2023 In previous work, we identified a population of 38 cool and luminous variable stars in the Magellanic Clouds and examined 11 in detail in order to classify them as either Thorne–Żytkow objects (TŻOs; red supergiants with a neutron star cores) or super ...
Anna J. G. O‘Grady +11 more
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Frontiers in Astronomy and Space Sciences, 2021 Among presolar grains, oxide ones are made of oxygen, aluminum, and a small fraction of magnesium, produced by the 26Al decay. The largest part of presolar oxide grains belong to the so-called group 1 and 2, which have been suggested to form in Red Giant
S. Palmerini +11 more
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EVOLUTION OF THERMALLY PULSING ASYMPTOTIC GIANT BRANCH STARS. V. CONSTRAINING THE MASS LOSS AND LIFETIMES OF INTERMEDIATE-MASS, LOW-METALLICITY AGB STARS [PDF]
, 2016 Thermally pulsing asymptotic giant branch (TP-AGB) stars are relatively short lived (less than a few Myr), yet their cool effective temperatures, high luminosities, efficient mass loss, and dust production can dramatically affect the chemical enrichment ...
P. Rosenfield +6 more
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CHEMICAL COMPOSITION OF ATMOSPHERES OF COOL GIANT STARS
Odessa Astronomical Publications, 2017 Results of determination of abundances of chemical elements in the atmospheres of 57 giant stars of the oxygen sequence of the Galactic disk axe given.
N. S. Komarov
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