Last submitted preprints

PP 018022

J0023+0307: A mega metal-poor dwarf star from SDSS/BOSS

David S. Aguado, Carlos Allende Prieto, Jonay I. González Hernández, Rafael Rebolo
Instituto de Astrofísica de Canarias Departamento de Astrofísica de la universidad de La laguna
Accepted for publication in ApJL | Submitted on 2018-02-23 | Project P/301008
PP 018021

Local anti-correlation between star-formation rate and gas-phase metallicity in disk galaxies

J. Sanchez Almeida (1,2), N. Caon (1,2), C. Munoz-Tunon (1,2), M. Filho (3,4), M. Cervino (1,5)
((1) Instituto de Astrofisica de Canarias, Spain, (2) Departamento de Astrofisica, Universidad de La Laguna, Spain, (3) Center for Astrophysics and Gravitation - CENTRA/SIM, Universidade de Lisboa, Portugal, (4) Departamento de Engenharia Fisica, Universidade do Porto, Portugal, (5) Instituto de Astrofisica de Andalucia, Spain)
Accepted for publication in MNRAS | Submitted on 2018-02-23 | Project P/309201
PP 018020

THE UPDATED BASTI STELLAR EVOLUTION MODELS AND ISOCHRONES: I. SOLAR SCALED CALCULATIONS

Sebastian L. Hidalgo (1,2), Adriano Pietrinferni (3), Santi Cassisi (3), Maurizio Salaris (4), Alessio Mucciarelli (5, 6), Alessandro Savino (4,7), Antonio Aparicio (1, 2), Victor Silva Aguirre (8), Kuldeep Verma (8)
(1) Instituto de Astrofısica de Canarias, (2) Department of Astrophysics of University of La Laguna, (3) INAF-Osservatorio Astronomico d’Abruzzo, (4) Astrophysics Research Institute Liverpool John Moores University, (5) Dipartimento di Fisica e Astronomia - Universitá a degli Studi di Bologna, (6) INAF-Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, (7) Kapteyn Astronomical Institute University of Groningen, (8) Stellar Astrophysics Centre Department of Physics and Astronomy Aarhus University
Accepted for publication in ApJ | Submitted on 2018-02-20 | Project SEV-2011-0187
PP 018019

Identifying two groups of massive stars aligned in the l ∼ 38◦ Galactic direction

S. Ramırez Alegrıa(1), A. Herrero(2,3), K. Ru ̈bke(2,3), A. Marın-Franch(4,5), M. Garcıa(6), and J. Borissova(7,8)
(1) Unidad de Astronomıa, Universidad de Antofagasta, Antofagasta, Chile. (2) Instituto de Astrofısica de Canarias, c/Vıa Lactea s/n, 38205 La Laguna, Tenerife, Spain. (3) Departamento de Astrofısica, Universidad de La Laguna, E-38205 La Laguna, Tenerife, Spain. (4) Centro de Estudios de F ısica del Cosmos de Aragon (CEFCA), E-44001, Teruel, Spain. (5) Departamento de Astrofısica, Universidad Complutense de Madrid, E-38040, Madrid, Spain. (6) Centro de Astrobiologıa, CSIC-INTA. Ctra. Torrejon a Ajalvir km.4, E-28850 Torrejon de Ardoz, Madrid, Spain. (7) Instituto de Fısica y Astronomıa, Facultad de Ciencias, Universidad de Valparaıso, Valparaıso, Chile. (8) Millennium Institute of Astrophysics, MAS.
Accepted for publication in A&A | Submitted on 2018-02-13 | Project P/309808
PP 018018

The star formation history of the Sextans dwarf spheroidal galaxy: a true fossil of the pre-reionization era

Bettinelli, M.; Hidalgo, S. L.; Cassisi, S.; Aparicio, A.; Piotto, G.
(1)(Instituto de Astrofísica de Canarias, Vía Láctea S/N, E-38200 La Laguna, Tenerife, Spain; Department of Astrophysics, University of La Laguna, E-38200 La Laguna, Tenerife, Canary Islands, Spain; Dipartimento di Fisica e Astronomia "Galileo Galilei", Universitá degli Studi di Padova, Vicolo dell'Osservatorio 3, I-35122 Padova, Italy), (2)(Instituto de Astrofísica de Canarias, Vía Láctea S/N, E-38200 La Laguna, Tenerife, Spain; Department of Astrophysics, University of La Laguna, E-38200 La Laguna, Tenerife, Canary Islands, Spain), (3)(INAF-Osservatorio Astronomico d'Abruzzo, Via M. Maggini, sn. 64100 Teramo, Italy; Instituto de Astrofísica de Canarias, Vía Láctea S/N, E-38200 La Laguna, Tenerife, Spain), (4)(Department of Astrophysics, University of La Laguna, E-38200 La Laguna, Tenerife, Canary Islands, Spain; Instituto de Astrofísica de Canarias, Vía Láctea S/N, E-38200 La Laguna, Tenerife, Spain), (5)(Dipartimento di Fisica e Astronomia "Galileo Galilei", Universitá degli Studi di Padova, Vicolo dell'Osservatorio 3, I-35122 Padova, Italy; INAF-Osservatorio Astronomico di Padova, Vicolo dell'Osservatorio 5, I-35122 Padova, Italy)
Accepted for publication in MNRAS | Submitted on 2018-02-12 | Project P/309403