J-PLUS: characterization of high-velocity stars in the second data release-Reference-Cited by-同舟云学术

J-PLUS: characterization of high-velocity stars in the second data release

Published:2023-04-26 Issue:3 Volume:522 Page:3898-3911
ISSN:0035-8711
Container-title:Monthly Notices of the Royal Astronomical Society
language:en
Short-container-title:

Author:

Quispe-Huaynasi F¹^ORCID,Roig F¹^ORCID,Daflon S¹,Pereira C B¹,Placco V M²,Jiménez-Esteban F³^ORCID,Galindo-Guil F J⁴,Alvarez-Candal A¹⁵⁶,Alcaniz J¹,Angulo R E⁷⁸^ORCID,Cenarro J⁴,Cristóbal-Hornillos D⁴,Dupke R¹,Ederoclite A⁴,Hernández-Monteagudo C⁹¹⁰,López-Sanjuan C⁴,Marín-Franch A⁴,Moles M⁴,Sodré L¹¹^ORCID,Varela J⁴,Vázquez Ramió H⁴

Affiliation:

1. Observatório Nacional (ON) , MCTI, Rua Gal. José Cristino 77, Rio de Janeiro, 20921-400, RJ, Brazil

2. NSF’s NOIRLab , 950 N. Cherry Ave., Tucson, AZ 85719, USA

3. Departamento de Astrofísica , Centro de Astrobiología (CSIC-INTA), ESAC Campus, Camino Bajo del Castillo s/n, E-28692, Villanueva de la Cañada, Madrid, Spain

4. Centro de Estudios de Física del Cosmos de Aragón (CEFCA) , Unidad Asociada al CSIC, Plaza San Juan 1, E-44001, Teruel, Spain

5. Instituto de Astrofísica de Andalucía , CSIC, Apt 3004, E-18080, Granada, Spain

6. Instituto de Física Aplicada a las Ciencias y las Tecnologías , Universidad de Alicante, San Vicent del Raspeig, E-03080, Alicante, Spain

7. Donostia International Physics Center (DIPC) , Paseo Manuel de Lardizabal 4, E-20018, Donostia-San Sebastián, Spain

8. IKERBASQUE, Basque Foundation for Science , E-48013, Bilbao, Spain

9. Instituto de Astrofísica de Canarias (IAC) , E-38205, La Laguna, Spain

10. Departamento de Astrofísica, Universidad de La Laguna (ULL) , E-38200, La Laguna, Spain

11. Instituto de Astronomia , Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Rua do Matão 1226, São Paulo, 05508-090, SP, Brazil

Abstract

ABSTRACT High-velocity stars in the Milky Way are related to extreme astrophysical phenomena. In this work, we characterize 28 stars with Galactocentric velocities higher than 400 $\mathrm{km\, s^{-1}}$ observed in the Javalambre Photometric Local Universe Survey Data Release 2 (J-PLUS DR2) survey. We combine J-PLUS photometry with astrometric data from the Gaia DR3 catalogue to analyse the kinematics, dynamics, and fundamental stellar parameters of these stars. Our results indicate that most of the 28 stars have typical behaviour and properties of halo stars, and some of them could be related to the disk population. Some of the halo stars may belong to known structures that originated from mergers of other systems with the Milky Way.

Funder

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Spanish Ministry of Science and Innovation

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

Link

https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stad1230/50105516/stad1230.pdf

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