Results 61 to 70 of about 197,808 (272)

Dust around Massive Stars Is Agnostic to Galactic Environment: New Insights from PHAT/BEAST

The Astrophysical Journal
Resolving the environments of massive stars is crucial for understanding their formation mechanisms and their impact on galaxy evolution. An important open question is whether massive stars found in diffuse regions outside spiral arms formed in situ or ...
Christina Willecke Lindberg, Claire E. Murray, Julianne J. Dalcanton, J. E. G. Peek, Karl D. Gordon   +4 more
doaj   +1 more source

Critical Metallicity of Cool Supergiant Formation. I. Effects on Stellar-mass Loss and Feedback

The Astrophysical Journal, 2023
This paper systematically studies the relation between metallicity and mass loss of massive stars. We perform one-dimensional stellar evolution simulations and build a grid of ∼2000 models with initial masses ranging between 11 and 60 M _⊙ and absolute ...
Po-Sheng Ou, Ke-Jung Chen, You-Hua Chu, Sung-Han Tsai   +3 more
doaj   +1 more source

Germline variants in CDKN2A wild‐type melanoma prone families

Molecular Oncology, EarlyView.
Among melanoma‐prone families, wild‐type for CDKN2A and CDK4, some have pathogenic variants in genes not usually linked to melanoma. Furthermore, rare XP‐related variants and variants in MC1R are enriched in such families. Germline pathogenic variants in CDKN2A are well established as an underlying cause of familial malignant melanoma. While pathogenic
Gjertrud T. Iversen, Marie Loeng, Amalie Lund Holth, Per E. Lønning, Jürgen Geisler, Stian Knappskog   +5 more
wiley   +1 more source

Spectropolarimetry of massive stars: Requirements and potential from today to 2030 [PDF]

, 2014
We develop the requirements and potential of spectropolarimetry as applied to understanding the physics of massive stars during the immediate, intermediate-term and long-term future.
arxiv   +1 more source

Presupernova structure of massive stars [PDF]

Astrophysics and Space Science, 2011
Proceedings for invited talk at High Energy Density Laboratory Astrophysics conference, Caltech, March 2010.
Casey Meakin, W. David Arnett, Tuguldur Sukhbold   +2 more
openaire   +3 more sources

Long-term Evolution in Ionization of Ejecta Illuminated by Eta Carinae

The Astrophysical Journal
Changes in the flux and spectrum of Eta Carinae ( η Car) since 1900 have been attributed to the evolution of the central binary by some. Others suggest evolution in the occulting ejecta.
Augusto Damineli, Noel D. Richardson, Felipe Navarete, Theodore. R. Gull, Eduardo Fernández-Lajús, Anthony F. J. Moffat, Desmond J. Hillier, Gerd Weigelt, Michael F. Corcoran   +8 more
doaj   +1 more source

Beyond digital twins: the role of foundation models in enhancing the interpretability of multiomics modalities in precision medicine

FEBS Open Bio, EarlyView.
This review highlights how foundation models enhance predictive healthcare by integrating advanced digital twin modeling with multiomics and biomedical data. This approach supports disease management, risk assessment, and personalized medicine, with the goal of optimizing health outcomes through adaptive, interpretable digital simulations, accessible ...
Sakhaa Alsaedi, Xin Gao, Takashi Gojobori   +2 more
wiley   +1 more source

Massive star archeology in globular clusters [PDF]

, 2014
Globular clusters are among the oldest structures in the Universe and they host today low-mass stars and no gas. However, there has been a time when they formed as gaseous objects hosting a large number of short-lived, massive stars. Many details on this early epoch have been depicted recently through unprecedented dissection of low-mass globular ...
arxiv   +1 more source

Massive stars in their death throes [PDF]

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2008
The study of the stars that explode as supernovae used to be a forensic study, working backwards from the remnants of the star. This changed in 1987 when the first progenitor star was identified in pre-explosion images. Currently, there are eight detected progenitors with another 21 non-detections, for which only a limit on the pre-explosion luminosity
openaire   +4 more sources

Mapping Hsp104 interactions using cross‐linking mass spectrometry

FEBS Open Bio, EarlyView.
This study examines how cross‐linking mass spectrometry can be utilized to analyze ATP‐induced conformational changes in Hsp104 and its interactions with substrates. We developed an analytical pipeline to distinguish between intra‐ and inter‐subunit contacts within the hexameric homo‐oligomer and discovered contacts between Hsp104 and a selected ...
Kinga Westphal, Karolina Michalska, Andrzej Joachimiak, Lukasz A. Joachimiak   +3 more
wiley   +1 more source