Dataciencia

Colección SciELO Chile

Mass of Cepheid V350 Sgr Incorporating Interferometry and the Companion Mass

Indexado

WoS	WOS:001505466500001
Scopus	SCOPUS_ID:105008106292

DOI

10.3847/1538-4357/ADD7DC

Año

2025

Tipo

artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras

Abstract

The system V350 Sgr has a classical Cepheid for the primary. Interferometry is presented for the system, and the full orbit is determined. The mass of the companion has been determined from an International Ultraviolet Explorer spectrum and comparison with the mass-temperature relation from detached eclipsing binaries. Combined with the mass of the companion (2.6 +/- 0.2 M circle dot), the mass of the Cepheid is determined to be 4.7 +/- 0.8 M circle dot. For systems with less complete information, Cepheid masses can be determined from a single-lined spectroscopic orbit, Gaia proper motion anomalies, and the mass of the companion from the ultraviolet. Uncertainties resulting from different approaches to mass determination are discussed and are expected to be reduced after the Gaia DR4 release. Temperatures for Morgan-Keenan standard stars from the ultraviolet are also provided.

Revista

Revista	ISSN
Astrophysical Journal	0004-637X

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Disciplinas de Investigación

WOS
Astronomy & Astrophysics

Scopus
Sin Disciplinas

SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional

Muestra la distribución de colaboración, tanto nacional como extranjera, generada en esta publicación.

Autores - Afiliación

Ord.	Autor	Género	Institución - País
1	Evans, Nancy Remage	Mujer	Smithsonian Astrophys Observ - Estados Unidos
2	Gallenne, A.	-	Universidad de Tarapacá - Chile
3	Kervella, Pierre	-	Univ PSL - Francia French Chilean Lab Astron - Chile Universidad de Chile - Chile L'Observatoire de Paris - Francia
4	Gunther, H. Moritz	-	MIT - Estados Unidos MIT Kavli Institute for Astrophysics and Space Research - Estados Unidos
5	Kuraszkiewicz, Joanna	Mujer	Smithsonian Astrophys Observ - Estados Unidos
6	Anderson, R. I.	Hombre	Ecole Polytech Fed Lausanne EPFL - Suiza Observatoire de Sauverny - Suiza
7	Proffitt, C. R.	Hombre	Space Telescope Sci Inst - Estados Unidos Space Telescope Science Institute - Estados Unidos
8	Merand, Antoine	Hombre	European Southern Observ - Alemania
9	Trahin, Boris	Hombre	Space Telescope Sci Inst - Estados Unidos L'Observatoire de Paris - Francia Space Telescope Science Institute - Estados Unidos
10	Viviani, Giordano	-	Ecole Polytech Fed Lausanne EPFL - Suiza Observatoire de Sauverny - Suiza
11	Shetye, Shreeya	-	Katholieke Univ Leuven - Bélgica Departement Natuurkunde en Sterrenkunde - Bélgica

Muestra la afiliación y género (detectado) para los co-autores de la publicación.

Financiamiento

Fuente
Fondo Nacional de Desarrollo Científico y Tecnológico
European Research Council
National Aeronautics and Space Administration
European Research Council (ERC) under the European Union
STScI under NASA
Space Telescope Science Institute
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
European Space Agency
Fonds Wetenschappelijk Onderzoek
Horizon 2020 Framework Programme
Chandra X-ray Center NASA
Gaia Data Processing and Analysis Consortium
Research Foundation-Flanders
Agencia Nacional de Investigación y Desarrollo
Diabetes Patient Advocacy Coalition
Agencia Nacional de Investigacion Cientifica y Desarrollo (ANID) through the FONDECYT
SNSF through an Eccellenza Professorial Fellowship

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos

Agradecimiento
Support for J.K. and C.P. was provided from HST-GO-15861.001-A. Institutional support was provided to N.R.E. by the Chandra X-ray Center NASA Contract NAS8-03060. H.M.G. was supported through grant HST-GO-15861.005-A from the STScI under NASA contract NAS5-26555. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program to P.K. (project UniverScale, grant agreement No. 951549). R.I.A. is funded by the SNSF through an Eccellenza Professorial Fellowship, grant No. PCEFP2_194638. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (Grant Agreement No. 947660). S.S. would like to acknowledge the Research Foundation-Flanders (grant No.: 1239522N). A.G. acknowledges the support of the Agencia Nacional de Investigacion Cientifica y Desarrollo (ANID) through the FONDECYT Regular grant 1241073. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC; https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The SIMBAD database and NASA's Astrophysics Data System Bibliographic Services were used in the preparation of this paper.
Support for J.K. and C.P. was provided from HST-GO-15861.001-A. Institutional support was provided to N.R.E. by the Chandra X-ray Center NASA Contract NAS8-03060. H.M.G. was supported through grant HST-GO-15861.005-A from the STScI under NASA contract NAS5-26555. This project has received funding from the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation program to P.K. (project UniverScale, grant agreement No. 951549). R.I.A. is funded by the SNSF through an Eccellenza Professorial Fellowship, grant No. PCEFP2_194638. This project has received funding from the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation program (Grant Agreement No. 947660). S.S. would like to acknowledge the Research Foundation-Flanders (grant No.: 1239522N). A.G. acknowledges the support of the Agencia Nacional de Investigaci\u00F3n Cient\u00EDfica y Desarrollo (ANID) through the FONDECYT Regular grant 1241073. This work has made use of data from the European Space Agency (ESA) mission Gaia ( https://www.cosmos.esa.int/gaia ), processed by the Gaia Data Processing and Analysis Consortium (DPAC; https://www.cosmos.esa.int/web/gaia/dpac/consortium ). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The SIMBAD database and NASA\u2019s Astrophysics Data System Bibliographic Services were used in the preparation of this paper.

Agradecimiento

Support for J.K. and C.P. was provided from HST-GO-15861.001-A. Institutional support was provided to N.R.E. by the Chandra X-ray Center NASA Contract NAS8-03060. H.M.G. was supported through grant HST-GO-15861.005-A from the STScI under NASA contract NAS5-26555. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program to P.K. (project UniverScale, grant agreement No. 951549). R.I.A. is funded by the SNSF through an Eccellenza Professorial Fellowship, grant No. PCEFP2_194638. This project has received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (Grant Agreement No. 947660). S.S. would like to acknowledge the Research Foundation-Flanders (grant No.: 1239522N). A.G. acknowledges the support of the Agencia Nacional de Investigacion Cientifica y Desarrollo (ANID) through the FONDECYT Regular grant 1241073. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC; https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The SIMBAD database and NASA's Astrophysics Data System Bibliographic Services were used in the preparation of this paper.

Support for J.K. and C.P. was provided from HST-GO-15861.001-A. Institutional support was provided to N.R.E. by the Chandra X-ray Center NASA Contract NAS8-03060. H.M.G. was supported through grant HST-GO-15861.005-A from the STScI under NASA contract NAS5-26555. This project has received funding from the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation program to P.K. (project UniverScale, grant agreement No. 951549). R.I.A. is funded by the SNSF through an Eccellenza Professorial Fellowship, grant No. PCEFP2_194638. This project has received funding from the European Research Council (ERC) under the European Union\u2019s Horizon 2020 research and innovation program (Grant Agreement No. 947660). S.S. would like to acknowledge the Research Foundation-Flanders (grant No.: 1239522N). A.G. acknowledges the support of the Agencia Nacional de Investigaci\u00F3n Cient\u00EDfica y Desarrollo (ANID) through the FONDECYT Regular grant 1241073. This work has made use of data from the European Space Agency (ESA) mission Gaia ( https://www.cosmos.esa.int/gaia ), processed by the Gaia Data Processing and Analysis Consortium (DPAC; https://www.cosmos.esa.int/web/gaia/dpac/consortium ). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. The SIMBAD database and NASA\u2019s Astrophysics Data System Bibliographic Services were used in the preparation of this paper.