Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql

Autores
Stoyanov, K. A.; Ilkiewicz, K.; Luna, Gerardo Juan Manuel; Mikołajewska, J.; Mukai, K.; Martí, J.; Latev, G.; Boeva, S.; Zamanov, R. K.
Año de publicación
2020
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We performed high-resolution optical spectroscopy and X-ray observations of the recently identified Mira-type symbiotic star EF Aql. Based on high-resolution optical spectroscopy obtained with the Southern African Large Telescope (SALT), we determine the temperature (∼55 000 K) and the luminosity (∼5.3 L⊙) of the hot component in the system. The heliocentric radial velocities of the emission lines in the spectra reveal possible stratification of the chemical elements.We also estimate the mass-loss rate of the Mira donor star. Our Swift observation did not detect EF Aql in X-rays. The upper limit of the X-ray observations is 10-12 erg cm-2 s-1, whichmeans that EF Aql is consistent with the faintestX-ray systems detected so far. Otherwise we detected it with the UltraViolet and Optical Telescope (UVOT) instrument with an average UVM2 magnitude of 14.05. During the exposure, EF Aql became approximately 0.2 UVM2 magnitudes fainter. The periodogram analysis of the V-band data reveals an improved period of 320.4 ± 0.3 d caused by the pulsations of the Mira-type donor star.
Fil: Stoyanov, K. A.. Bulgarian Academy of Sciences; Bulgaria
Fil: Ilkiewicz, K.. Polish Academy of Sciences; Polonia
Fil: Luna, Gerardo Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Universidad Nacional de Hurlingham; Argentina
Fil: Mikołajewska, J.. Polish Academy of Sciences; Polonia
Fil: Mukai, K.. National Aeronautics and Space Administration; Estados Unidos. University of Maryland; Estados Unidos
Fil: Martí, J.. Universidad de Jaén; España
Fil: Latev, G.. Bulgarian Academy of Sciences; Bulgaria
Fil: Boeva, S.. Bulgarian Academy of Sciences; Bulgaria
Fil: Zamanov, R. K.. Bulgarian Academy of Sciences; Bulgaria
Materia
ACCRETION, ACCRETION DISCS
BINARIES: SYMBIOTIC
STARS: AGB AND POST-AGB
STARS: INDIVIDUAL: EF AQL
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/163594
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/163594
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Optical spectroscopy and X-ray observations of the D-type symbiotic star EF AqlStoyanov, K. A.Ilkiewicz, K.Luna, Gerardo Juan ManuelMikołajewska, J.Mukai, K.Martí, J.Latev, G.Boeva, S.Zamanov, R. K.ACCRETION, ACCRETION DISCSBINARIES: SYMBIOTICSTARS: AGB AND POST-AGBSTARS: INDIVIDUAL: EF AQLhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We performed high-resolution optical spectroscopy and X-ray observations of the recently identified Mira-type symbiotic star EF Aql. Based on high-resolution optical spectroscopy obtained with the Southern African Large Telescope (SALT), we determine the temperature (∼55 000 K) and the luminosity (∼5.3 L⊙) of the hot component in the system. The heliocentric radial velocities of the emission lines in the spectra reveal possible stratification of the chemical elements.We also estimate the mass-loss rate of the Mira donor star. Our Swift observation did not detect EF Aql in X-rays. The upper limit of the X-ray observations is 10-12 erg cm-2 s-1, whichmeans that EF Aql is consistent with the faintestX-ray systems detected so far. Otherwise we detected it with the UltraViolet and Optical Telescope (UVOT) instrument with an average UVM2 magnitude of 14.05. During the exposure, EF Aql became approximately 0.2 UVM2 magnitudes fainter. The periodogram analysis of the V-band data reveals an improved period of 320.4 ± 0.3 d caused by the pulsations of the Mira-type donor star.Fil: Stoyanov, K. A.. Bulgarian Academy of Sciences; BulgariaFil: Ilkiewicz, K.. Polish Academy of Sciences; PoloniaFil: Luna, Gerardo Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Universidad Nacional de Hurlingham; ArgentinaFil: Mikołajewska, J.. Polish Academy of Sciences; PoloniaFil: Mukai, K.. National Aeronautics and Space Administration; Estados Unidos. University of Maryland; Estados UnidosFil: Martí, J.. Universidad de Jaén; EspañaFil: Latev, G.. Bulgarian Academy of Sciences; BulgariaFil: Boeva, S.. Bulgarian Academy of Sciences; BulgariaFil: Zamanov, R. K.. Bulgarian Academy of Sciences; BulgariaWiley Blackwell Publishing, Inc2020-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/163594Stoyanov, K. A.; Ilkiewicz, K.; Luna, Gerardo Juan Manuel; Mikołajewska, J.; Mukai, K.; et al.; Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 495; 1; 6-2020; 1461-14640035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/495/1/1461/5836725info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/staa1310info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:17:13Zoai:ri.conicet.gov.ar:11336/163594instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:17:13.34CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
title Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
spellingShingle Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
Stoyanov, K. A.
ACCRETION, ACCRETION DISCS
BINARIES: SYMBIOTIC
STARS: AGB AND POST-AGB
STARS: INDIVIDUAL: EF AQL
title_short Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
title_full Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
title_fullStr Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
title_full_unstemmed Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
title_sort Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql
dc.creator.none.fl_str_mv Stoyanov, K. A.
Ilkiewicz, K.
Luna, Gerardo Juan Manuel
Mikołajewska, J.
Mukai, K.
Martí, J.
Latev, G.
Boeva, S.
Zamanov, R. K.
author Stoyanov, K. A.
author_facet Stoyanov, K. A.
Ilkiewicz, K.
Luna, Gerardo Juan Manuel
Mikołajewska, J.
Mukai, K.
Martí, J.
Latev, G.
Boeva, S.
Zamanov, R. K.
author_role author
author2 Ilkiewicz, K.
Luna, Gerardo Juan Manuel
Mikołajewska, J.
Mukai, K.
Martí, J.
Latev, G.
Boeva, S.
Zamanov, R. K.
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv ACCRETION, ACCRETION DISCS
BINARIES: SYMBIOTIC
STARS: AGB AND POST-AGB
STARS: INDIVIDUAL: EF AQL
topic ACCRETION, ACCRETION DISCS
BINARIES: SYMBIOTIC
STARS: AGB AND POST-AGB
STARS: INDIVIDUAL: EF AQL
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We performed high-resolution optical spectroscopy and X-ray observations of the recently identified Mira-type symbiotic star EF Aql. Based on high-resolution optical spectroscopy obtained with the Southern African Large Telescope (SALT), we determine the temperature (∼55 000 K) and the luminosity (∼5.3 L⊙) of the hot component in the system. The heliocentric radial velocities of the emission lines in the spectra reveal possible stratification of the chemical elements.We also estimate the mass-loss rate of the Mira donor star. Our Swift observation did not detect EF Aql in X-rays. The upper limit of the X-ray observations is 10-12 erg cm-2 s-1, whichmeans that EF Aql is consistent with the faintestX-ray systems detected so far. Otherwise we detected it with the UltraViolet and Optical Telescope (UVOT) instrument with an average UVM2 magnitude of 14.05. During the exposure, EF Aql became approximately 0.2 UVM2 magnitudes fainter. The periodogram analysis of the V-band data reveals an improved period of 320.4 ± 0.3 d caused by the pulsations of the Mira-type donor star.
Fil: Stoyanov, K. A.. Bulgarian Academy of Sciences; Bulgaria
Fil: Ilkiewicz, K.. Polish Academy of Sciences; Polonia
Fil: Luna, Gerardo Juan Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Universidad Nacional de Hurlingham; Argentina
Fil: Mikołajewska, J.. Polish Academy of Sciences; Polonia
Fil: Mukai, K.. National Aeronautics and Space Administration; Estados Unidos. University of Maryland; Estados Unidos
Fil: Martí, J.. Universidad de Jaén; España
Fil: Latev, G.. Bulgarian Academy of Sciences; Bulgaria
Fil: Boeva, S.. Bulgarian Academy of Sciences; Bulgaria
Fil: Zamanov, R. K.. Bulgarian Academy of Sciences; Bulgaria
description We performed high-resolution optical spectroscopy and X-ray observations of the recently identified Mira-type symbiotic star EF Aql. Based on high-resolution optical spectroscopy obtained with the Southern African Large Telescope (SALT), we determine the temperature (∼55 000 K) and the luminosity (∼5.3 L⊙) of the hot component in the system. The heliocentric radial velocities of the emission lines in the spectra reveal possible stratification of the chemical elements.We also estimate the mass-loss rate of the Mira donor star. Our Swift observation did not detect EF Aql in X-rays. The upper limit of the X-ray observations is 10-12 erg cm-2 s-1, whichmeans that EF Aql is consistent with the faintestX-ray systems detected so far. Otherwise we detected it with the UltraViolet and Optical Telescope (UVOT) instrument with an average UVM2 magnitude of 14.05. During the exposure, EF Aql became approximately 0.2 UVM2 magnitudes fainter. The periodogram analysis of the V-band data reveals an improved period of 320.4 ± 0.3 d caused by the pulsations of the Mira-type donor star.
publishDate 2020
dc.date.none.fl_str_mv 2020-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/163594
Stoyanov, K. A.; Ilkiewicz, K.; Luna, Gerardo Juan Manuel; Mikołajewska, J.; Mukai, K.; et al.; Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 495; 1; 6-2020; 1461-1464
0035-8711
CONICET Digital
CONICET
url http://hdl.handle.net/11336/163594
identifier_str_mv Stoyanov, K. A.; Ilkiewicz, K.; Luna, Gerardo Juan Manuel; Mikołajewska, J.; Mukai, K.; et al.; Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 495; 1; 6-2020; 1461-1464
0035-8711
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/495/1/1461/5836725
info:eu-repo/semantics/altIdentifier/doi/10.1093/mnras/staa1310
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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