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investigation of Stars In the Milky way with Bayesian statistics and Asteroseismology

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Category: Papers

Papers

An observational testbed for cosmological zoom-in simulations: constraining stellar migration in the solar cylinder using asteroseismology

Kuldeep Verma, Robert J. J. Grand, Víctor Silva Aguirre, Amalie Stokholm

An observational testbed for cosmological zoom-in simulations: constraining stellar migration in the solar cylinder using asteroseismology
See arXiv version
19 pages, 18 figures (including 8 in the appendix), 1 table, MNRAS in press

Continue reading “An observational testbed for cosmological zoom-in simulations: constraining stellar migration in the solar cylinder using asteroseismology” →

June 24, 2021June 28, 2021amalie, kuldeep, victorLeave a comment
Papers

Weighing stars from birth to death: mass determination methods across the HRD

Aldo Serenelli, Achim Weiss, Conny Aerts, George C. Angelou, David Baroch, Nate Bastian, Paul G. Beck, Maria Bergemann, Joachim M. Bestenlehner, Ian Czekala, Nancy Elias-Rosa, Ana Escorza, Vincent Van Eylen, Diane K. Feuillet, Davide Gandolfi, Mark Gieles, Leo Girardi, Yveline Lebreton, Nicolas Lodieu, Marie Martig, Marcelo M. Miller Bertolami, Joey S. G. Mombarg, Juan Carlos Morales, Andres Moya, Benard Nsamba, Kresimir Pavlovski, May G. Pedersen, Ignasi Ribas, Fabian R. N. Schneider, Victor Silva Aguirre, Keivan G. Stassun, Eline Tolstoy, Pier-Emmanuel Tremblay, Konstanze Zwintz

Weighing stars from birth to death: mass determination methods across the HRD
See arXiv version
Invited review article for The Astronomy and Astrophysics Review. 146 pages, 16 figures, 11 tables. Accepted version by the Journal. It includes summary figure of accuracy/precision of methods for mass ranges and summary table for individual methods

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June 18, 2021August 23, 2021victorLeave a comment
Papers

Age-Dating Red Giant Stars Associated with Galactic Disk and Halo Substructures

Samuel K. Grunblatt, Joel C. Zinn, Adrian M. Price-Whelan, Ruth Angus, Nicholas Saunders, Marc Hon, Amalie Stokholm, Earl P. Bellinger, Sarah L. Martell, Benoit Mosser, Emily Cunningham, Jamie Tayar, Daniel Huber, Jakob Lysgaard Rørsted, Victor Silva Aguirre

Age-Dating Red Giant Stars Associated with Galactic Disk and Halo Substructures
See arXiv version
28 pages, 21 figures. Favorably reviewed by AAS Journals, additional comments welcome

Continue reading “Age-Dating Red Giant Stars Associated with Galactic Disk and Halo Substructures” →

May 25, 2021amalie, jakob, victorLeave a comment
Papers

The G-dwarf distribution in star-forming galaxies: a tug-of-war between infall and outflow

E. Spitoni, F. Calura, V. Silva Aguirre, R. Gilli

The G-dwarf distribution in star-forming galaxies: a tug-of-war between infall and outflow
See arXiv version
Accepted for publication in Astronomy and Astrophysics Letters (A&A Letters), 6 pages, 4 figures

Continue reading “The G-dwarf distribution in star-forming galaxies: a tug-of-war between infall and outflow” →

March 19, 2021August 23, 2021emanuele, victorLeave a comment
Papers

The relationship between photometric and spectroscopic oscillation amplitudes from 3D stellar atmosphere simulations

Yixiao Zhou, Thomas Nordlander, Luca Casagrande, Meridith Joyce, Yaguang Li, Anish M. Amarsi, Henrique Reggiani, Martin Asplund

The relationship between photometric and spectroscopic oscillation amplitudes from 3D stellar atmosphere simulations
See arXiv version
16 pages, 7 figures, accepted for publication in MNRAS

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February 4, 2021August 23, 2021yixiaoLeave a comment
Papers

APOGEE DR16: a multi-zone chemical evolution model for the Galactic disc based on MCMC methods

E. Spitoni, K. Verma, V. Silva Aguirre, F. Vincenzo, F. Matteucci, B. Vaičekauskaitė, M. Palla, V. Grisoni, F. Calura

APOGEE DR16: a multi-zone chemical evolution model for the Galactic disc based on MCMC methods
See arXiv version
Accepted for publication in Astronomy and Astrophysics (A&A), 16 pages, 19 figures

Continue reading “APOGEE DR16: a multi-zone chemical evolution model for the Galactic disc based on MCMC methods” →

January 25, 2021emanuele, kuldeep, victorLeave a comment
Papers

TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and its M-dwarf Companion

Ashley Chontos, Daniel Huber, Hans Kjeldsen, Aldo M. Serenelli, Victor Silva Aguirre, Warrick H. Ball, Sarbani Basu, Timothy R. Bedding, William J. Chaplin, Zachary R. Claytor, Enrico Corsaro, Rafael A. García, Steve B. Howell, Mia S. Lundkvist, Savita Mathur, Travis S. Metcalfe, Martin B. Nielsen, Jia Mian Joel Ong, Maïssa Salama, Keivan G. Stassun, R. H. D. Townsend, Jennifer L. van Saders, Mark Winther, R. Paul Butler, C. G. Tinney, Robert A. Wittenmyer

TESS Asteroseismology of $α$ Mensae: Benchmark Ages for a G7 Dwarf and its M-dwarf Companion
See arXiv version
19 pages, 10 figures, submitted to AAS journals

Continue reading “TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and its M-dwarf Companion” →

December 22, 2020mark, victorLeave a comment
Papers

The updated BaSTI stellar evolution models and isochrones: II. alpha-enhanced calculations

A. Pietrinferni, S.L. Hidalgo, S. Cassisi, M. Salaris, A. Savino, A. Mucciarelli, K. Verma, V. Silva Aguirre, A. Aparicio, J. Ferguson

The updated BaSTI stellar evolution models and isochrones: II. alpha-enhanced calculations
See arXiv version
24 pages, 18 figures, The Astrophysical Journal, in press

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December 21, 2020December 21, 2020kuldeep, victorLeave a comment
Papers

Short-term variability and mass loss in Be stars VI. Frequency groups in γ Cas detected by TESS

Jonathan Labadie-Bartz, Dietrich Baade, Alex C. Carciofi, Amanda Rubio, Thomas Rivinius, Camilla C. Borre, Christophe Martayan, Robert J. Siverd

Short-term variability and mass loss in Be stars VI. Frequency groups in $γ$ Cas detected by TESS
See arXiv version
19 pages, 11 figures. To be published in MNRAS

Continue reading “Short-term variability and mass loss in Be stars VI. Frequency groups in γ Cas detected by TESS” →

December 15, 2020camillaLeave a comment
Papers

Prospects for Galactic and stellar astrophysics with asteroseismology of giant stars in the TESS Continuous Viewing Zones and beyond

J. Ted Mackereth, Andrea Miglio, Yvonne Elsworth, Benoit Mosser, Savita Mathur, Rafael A. Garcia, Domenico Nardiello, Oliver J. Hall, Mathieu Vrard, Warrick H. Ball, Sarbani Basu, Rachael L. Beaton, Paul G. Beck, Maria Bergemann, Diego Bossini, Luca Casagrande, Tiago L. Campante, William J. Chaplin, Christina Chiappini, Léo Girardi, Andreas Christ Sølvsten Jørgensen, Saniya Khan, Josefina Montalbán, Martin B. Nielsen, Marc H. Pinsonneault, Thaíse S. Rodrigues, Aldo Serenelli, Victor Silva Aguirre, Dennis Stello, Jamie Tayar, Johanna Teske, Jennifer L. Van Seders, Emma Willett

Prospects for Galactic and stellar astrophysics with asteroseismology of giant stars in the TESS Continuous Viewing Zones and beyond
See arXiv version
15 Pages (+6 Pages Appendices), 14 Figures (+3 in Appendices). Re-submitted to MNRAS following positive initial review. Full catalogue with seismic parameters, mass and age estimates available at this https URL

Continue reading “Prospects for Galactic and stellar astrophysics with asteroseismology of giant stars in the TESS Continuous Viewing Zones and beyond” →

December 2, 2020December 2, 2020victorLeave a comment

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  • Scaling relations of convective granulation noise across the HR diagram from 3D stellar atmosphere models
  • Disc dichotomy signature in the vertical distribution of [Mg/Fe] and the delayed gas infall scenario
  • The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
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  • The SAPP pipeline for the determination of stellar abundances and atmospheric parameters of stars in the core program of the PLATO mission

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  • Scaling relations of convective granulation noise across the HR diagram from 3D stellar atmosphere models
  • Disc dichotomy signature in the vertical distribution of [Mg/Fe] and the delayed gas infall scenario
  • The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
  • Chemo-dynamics and asteroseismic ages of seven metal-poor red giants from the Kepler field
  • The SAPP pipeline for the determination of stellar abundances and atmospheric parameters of stars in the core program of the PLATO mission

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