Results 141 to 150 of about 4,442 (177)

Newly formed dust within the circumstellar environment of SN Ia-CSM 2018evt. [PDF]

Nat Astron
Wang王 L灵, Hu M, Wang L, Yang 杨 Y轶, Yang J, Gomez H, Chen S, Hu L, Chen TW, Mo J, Wang X, Baade D, Hoeflich P, Wheeler JC, Pignata G, Burke J, Hiramatsu D, Howell DA, McCully C, Pellegrino C, Galbany L, Hsiao EY, Sand DJ, Zhang J, Uddin SA, Anderson JP, Ashall C, Cheng C, Gromadzki M, Inserra C, Lin H, Morrell N, Morales-Garoffolo A, Müller-Bravo TE, Nicholl M, Gonzalez EP, Phillips MM, Pineda-García J, Sai H, Smith M, Shahbandeh M, Srivastav S, Stritzinger MD, Yang S, Young DR, Yu L, Zhang X.   +46 more
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Triggered Star Formation inside the Shell of a Wolf-Rayet Bubble as the Origin of the Solar System. [PDF]

Proc Int Astron Union, 2018
Dwarkadas VV, Dauphas N, Meyer B, Boyajian P, Bojazi M.   +4 more
europepmc   +1 more source

High-resolution observations of IRAS 08544-4431: Detection of a disk orbiting a post-AGB star and of a slow disk wind. [PDF]

Astron Astrophys, 2017
Bujarrabal V, Castro-Carrizo A, Van Winckel H, Alcolea J, Sánchez Contreras C, Santander-García M, Hillen M.   +6 more
europepmc   +1 more source

The circumstellar envelope around the S-type AGB star W Aql. Effects of an eccentric binary orbit. [PDF]

Astron Astrophys, 2017
Ramstedt S, Mohamed S, Vlemmings WHT, Danilovich T, Brunner M, De Beck E, Humphreys EML, Lindqvist M, Maercker M, Olofsson H, Kerschbaum F, Quintana-Lacaci G.   +11 more
europepmc   +1 more source

Lithium evolution in the low-mass evolved stars with asteroseismology and LAMOST spectroscopy. [PDF]

Fundam Res
Yan HL, Zhang JH, Zhou YT, Gao Q, Shi JR, Kumar YB, Aoki W, Li H, Li C, Zhao G.   +9 more
europepmc   +1 more source

Simulations of multi-phase gas in and around galaxies. [PDF]

Living Rev Comput Astrophys
Gronke M, E Schneider E.
europepmc   +1 more source

Chemical Abundances in Post-AGB Stars

, 2015
The post-AGB type objects that have a chemical abundance study in the literature have been compiled. Based on the chemical abundance data of selected postAGB stars and related objects, we have studied the distributions in metallicity [Fe/H], carbon-oxygen ratio [C/O], and alpha-element [alpha/Fe] abundances.
Sehitoglu, Gizem, Bozkurt, Zeynep
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AGB and post-AGB stars as VLTI targets

SPIE Proceedings, 2000
Low and intermediate mass stars turn into cool giants after their evolution on the main sequence. During these evolutionary stages, their surface is enriched in several chemical species. These stars are also characterized by large mass-loss rates revealed by their molecules and dust- rich circumstellar envelopes. They thus play an important role in the
Patrick de Laverny, Bruno Lopez
openaire   +1 more source

Post-AGB Stars

2004
The final phase of the evolution of low- and intermediate-mass stars is characterized by rapid changes in the structure and properties of the star and its circumstellar envelope (CSE); see Chapter 2. While it ascends the Asymptotic Giant Branch (AGB), its luminosity rises to values several thousand times that during core-hydrogen burning.
Christoffel Waelkens, Rens B. F. M. Waters   +1 more
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Post-AGB Stars

Annual Review of Astronomy and Astrophysics, 2003
▪ Abstract  In this contribution, a review is presented on the ample data obtained on post-AGB stars, both on the central stars and their circumstellar material. The fast evolutionary phase is characterized by a rapid change in the properties of the objects, but the variety is so large that there is yet no clear consensus on how the detailed studies of
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