Tess data for asteroseismology: Timing verification

Autores
Essen, Carolina von; Lund, Mikkel N.; Handberg, Rasmus; Sosa, Marina Soledad; Gadeberg, Julie Thiim; Kjeldsen, Hans; Vanderspek, Roland K.; Mortensen, Dina S.; Mallonn, M.; Mammana, Luis Antonio; Morgan, Edward H.; Villaseñor, Jesus Noel S.; Fausnaugh, Michael M.; Ricker, George R.
Año de publicación
2020
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The Transiting Exoplanet Survey Satellite (TESS) is NASA´s latest space telescope dedicated to the discovery of transiting exoplanets around nearby stars. Besides the main goal of the mission, asteroseismology is an important secondary goal and very relevant for the high-quality time series that TESS will make during its two-year all-sky survey. Using TESS for asteroseismology introduces strong timing requirements, especially for coherent oscillators. Although the internal clock on board TESS is precise in its own time, it might have a constant drift. Thus, it will need calibration, or else offsets might inadvertently be introduced. Here, we present simultaneous ground- and space-based observations of primary eclipses of several binary systems in the Southern ecliptic hemisphere, used to verify the reliability of the TESS timestamps. From 12 contemporaneous TESS/ground observations, we determined a time offset equal to 5.8 ± 2.5 s, in the sense that the barycentric time measured by TESS is ahead of real time. The offset is consistent with zero at the 2.3σ level. In addition, we used 405 individually measured mid-eclipse times of 26 eclipsing binary stars observed solely by TESS in order to test the existence of a potential drift with a monotonic growth (or decay) affecting the observations of all stars. We find a drift corresponding to σ drift = 0.009 ± 0.015 s day-1. We find that the measured offset is of a size that will not become an issue for comparing ground-based and space data for coherent oscillations for most of the targets observed with TESS.
Fil: Essen, Carolina von. University Aarhus; Dinamarca
Fil: Lund, Mikkel N.. University Aarhus; Dinamarca
Fil: Handberg, Rasmus. University Aarhus; Dinamarca
Fil: Sosa, Marina Soledad. University Aarhus; Dinamarca. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Fil: Gadeberg, Julie Thiim. University Aarhus; Dinamarca
Fil: Kjeldsen, Hans. University Aarhus; Dinamarca
Fil: Vanderspek, Roland K.. Massachusetts Institute of Technology; Estados Unidos
Fil: Mortensen, Dina S.. University Aarhus; Dinamarca
Fil: Mallonn, M.. Leibniz Institute for Astrophysics Potsdam; Alemania
Fil: Mammana, Luis Antonio. Universidad Nacional de La Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
Fil: Morgan, Edward H.. Massachusetts Institute of Technology; Estados Unidos
Fil: Villaseñor, Jesus Noel S.. Massachusetts Institute of Technology; Estados Unidos
Fil: Fausnaugh, Michael M.. Massachusetts Institute of Technology; Estados Unidos
Fil: Ricker, George R.. Massachusetts Institute of Technology; Estados Unidos
Materia
Binary systems
Exoplanets
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:11336/147047
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/147047
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Tess data for asteroseismology: Timing verificationEssen, Carolina vonLund, Mikkel N.Handberg, RasmusSosa, Marina SoledadGadeberg, Julie ThiimKjeldsen, HansVanderspek, Roland K.Mortensen, Dina S.Mallonn, M.Mammana, Luis AntonioMorgan, Edward H.Villaseñor, Jesus Noel S.Fausnaugh, Michael M.Ricker, George R.Binary systemsExoplanetshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The Transiting Exoplanet Survey Satellite (TESS) is NASA´s latest space telescope dedicated to the discovery of transiting exoplanets around nearby stars. Besides the main goal of the mission, asteroseismology is an important secondary goal and very relevant for the high-quality time series that TESS will make during its two-year all-sky survey. Using TESS for asteroseismology introduces strong timing requirements, especially for coherent oscillators. Although the internal clock on board TESS is precise in its own time, it might have a constant drift. Thus, it will need calibration, or else offsets might inadvertently be introduced. Here, we present simultaneous ground- and space-based observations of primary eclipses of several binary systems in the Southern ecliptic hemisphere, used to verify the reliability of the TESS timestamps. From 12 contemporaneous TESS/ground observations, we determined a time offset equal to 5.8 ± 2.5 s, in the sense that the barycentric time measured by TESS is ahead of real time. The offset is consistent with zero at the 2.3σ level. In addition, we used 405 individually measured mid-eclipse times of 26 eclipsing binary stars observed solely by TESS in order to test the existence of a potential drift with a monotonic growth (or decay) affecting the observations of all stars. We find a drift corresponding to σ drift = 0.009 ± 0.015 s day-1. We find that the measured offset is of a size that will not become an issue for comparing ground-based and space data for coherent oscillations for most of the targets observed with TESS.Fil: Essen, Carolina von. University Aarhus; DinamarcaFil: Lund, Mikkel N.. University Aarhus; DinamarcaFil: Handberg, Rasmus. University Aarhus; DinamarcaFil: Sosa, Marina Soledad. University Aarhus; Dinamarca. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaFil: Gadeberg, Julie Thiim. University Aarhus; DinamarcaFil: Kjeldsen, Hans. University Aarhus; DinamarcaFil: Vanderspek, Roland K.. Massachusetts Institute of Technology; Estados UnidosFil: Mortensen, Dina S.. University Aarhus; DinamarcaFil: Mallonn, M.. Leibniz Institute for Astrophysics Potsdam; AlemaniaFil: Mammana, Luis Antonio. Universidad Nacional de La Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; ArgentinaFil: Morgan, Edward H.. Massachusetts Institute of Technology; Estados UnidosFil: Villaseñor, Jesus Noel S.. Massachusetts Institute of Technology; Estados UnidosFil: Fausnaugh, Michael M.. Massachusetts Institute of Technology; Estados UnidosFil: Ricker, George R.. Massachusetts Institute of Technology; Estados UnidosIOP Publishing2020-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/147047Essen, Carolina von; Lund, Mikkel N.; Handberg, Rasmus; Sosa, Marina Soledad; Gadeberg, Julie Thiim; et al.; Tess data for asteroseismology: Timing verification; IOP Publishing; Astronomical Journal; 160; 1; 7-2020; 1-150004-6256CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.3847/1538-3881/ab93ddinfo:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-3881/ab93ddinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:38:35Zoai:ri.conicet.gov.ar:11336/147047instacron: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:34982025-09-29 09:38:36.05CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Tess data for asteroseismology: Timing verification
title Tess data for asteroseismology: Timing verification
spellingShingle Tess data for asteroseismology: Timing verification
Essen, Carolina von
Binary systems
Exoplanets
title_short Tess data for asteroseismology: Timing verification
title_full Tess data for asteroseismology: Timing verification
title_fullStr Tess data for asteroseismology: Timing verification
title_full_unstemmed Tess data for asteroseismology: Timing verification
title_sort Tess data for asteroseismology: Timing verification
dc.creator.none.fl_str_mv Essen, Carolina von
Lund, Mikkel N.
Handberg, Rasmus
Sosa, Marina Soledad
Gadeberg, Julie Thiim
Kjeldsen, Hans
Vanderspek, Roland K.
Mortensen, Dina S.
Mallonn, M.
Mammana, Luis Antonio
Morgan, Edward H.
Villaseñor, Jesus Noel S.
Fausnaugh, Michael M.
Ricker, George R.
author Essen, Carolina von
author_facet Essen, Carolina von
Lund, Mikkel N.
Handberg, Rasmus
Sosa, Marina Soledad
Gadeberg, Julie Thiim
Kjeldsen, Hans
Vanderspek, Roland K.
Mortensen, Dina S.
Mallonn, M.
Mammana, Luis Antonio
Morgan, Edward H.
Villaseñor, Jesus Noel S.
Fausnaugh, Michael M.
Ricker, George R.
author_role author
author2 Lund, Mikkel N.
Handberg, Rasmus
Sosa, Marina Soledad
Gadeberg, Julie Thiim
Kjeldsen, Hans
Vanderspek, Roland K.
Mortensen, Dina S.
Mallonn, M.
Mammana, Luis Antonio
Morgan, Edward H.
Villaseñor, Jesus Noel S.
Fausnaugh, Michael M.
Ricker, George R.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Binary systems
Exoplanets
topic Binary systems
Exoplanets
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The Transiting Exoplanet Survey Satellite (TESS) is NASA´s latest space telescope dedicated to the discovery of transiting exoplanets around nearby stars. Besides the main goal of the mission, asteroseismology is an important secondary goal and very relevant for the high-quality time series that TESS will make during its two-year all-sky survey. Using TESS for asteroseismology introduces strong timing requirements, especially for coherent oscillators. Although the internal clock on board TESS is precise in its own time, it might have a constant drift. Thus, it will need calibration, or else offsets might inadvertently be introduced. Here, we present simultaneous ground- and space-based observations of primary eclipses of several binary systems in the Southern ecliptic hemisphere, used to verify the reliability of the TESS timestamps. From 12 contemporaneous TESS/ground observations, we determined a time offset equal to 5.8 ± 2.5 s, in the sense that the barycentric time measured by TESS is ahead of real time. The offset is consistent with zero at the 2.3σ level. In addition, we used 405 individually measured mid-eclipse times of 26 eclipsing binary stars observed solely by TESS in order to test the existence of a potential drift with a monotonic growth (or decay) affecting the observations of all stars. We find a drift corresponding to σ drift = 0.009 ± 0.015 s day-1. We find that the measured offset is of a size that will not become an issue for comparing ground-based and space data for coherent oscillations for most of the targets observed with TESS.
Fil: Essen, Carolina von. University Aarhus; Dinamarca
Fil: Lund, Mikkel N.. University Aarhus; Dinamarca
Fil: Handberg, Rasmus. University Aarhus; Dinamarca
Fil: Sosa, Marina Soledad. University Aarhus; Dinamarca. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Fil: Gadeberg, Julie Thiim. University Aarhus; Dinamarca
Fil: Kjeldsen, Hans. University Aarhus; Dinamarca
Fil: Vanderspek, Roland K.. Massachusetts Institute of Technology; Estados Unidos
Fil: Mortensen, Dina S.. University Aarhus; Dinamarca
Fil: Mallonn, M.. Leibniz Institute for Astrophysics Potsdam; Alemania
Fil: Mammana, Luis Antonio. Universidad Nacional de La Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
Fil: Morgan, Edward H.. Massachusetts Institute of Technology; Estados Unidos
Fil: Villaseñor, Jesus Noel S.. Massachusetts Institute of Technology; Estados Unidos
Fil: Fausnaugh, Michael M.. Massachusetts Institute of Technology; Estados Unidos
Fil: Ricker, George R.. Massachusetts Institute of Technology; Estados Unidos
description The Transiting Exoplanet Survey Satellite (TESS) is NASA´s latest space telescope dedicated to the discovery of transiting exoplanets around nearby stars. Besides the main goal of the mission, asteroseismology is an important secondary goal and very relevant for the high-quality time series that TESS will make during its two-year all-sky survey. Using TESS for asteroseismology introduces strong timing requirements, especially for coherent oscillators. Although the internal clock on board TESS is precise in its own time, it might have a constant drift. Thus, it will need calibration, or else offsets might inadvertently be introduced. Here, we present simultaneous ground- and space-based observations of primary eclipses of several binary systems in the Southern ecliptic hemisphere, used to verify the reliability of the TESS timestamps. From 12 contemporaneous TESS/ground observations, we determined a time offset equal to 5.8 ± 2.5 s, in the sense that the barycentric time measured by TESS is ahead of real time. The offset is consistent with zero at the 2.3σ level. In addition, we used 405 individually measured mid-eclipse times of 26 eclipsing binary stars observed solely by TESS in order to test the existence of a potential drift with a monotonic growth (or decay) affecting the observations of all stars. We find a drift corresponding to σ drift = 0.009 ± 0.015 s day-1. We find that the measured offset is of a size that will not become an issue for comparing ground-based and space data for coherent oscillations for most of the targets observed with TESS.
publishDate 2020
dc.date.none.fl_str_mv 2020-07
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/11336/147047
Essen, Carolina von; Lund, Mikkel N.; Handberg, Rasmus; Sosa, Marina Soledad; Gadeberg, Julie Thiim; et al.; Tess data for asteroseismology: Timing verification; IOP Publishing; Astronomical Journal; 160; 1; 7-2020; 1-15
0004-6256
CONICET Digital
CONICET
url http://hdl.handle.net/11336/147047
identifier_str_mv Essen, Carolina von; Lund, Mikkel N.; Handberg, Rasmus; Sosa, Marina Soledad; Gadeberg, Julie Thiim; et al.; Tess data for asteroseismology: Timing verification; IOP Publishing; Astronomical Journal; 160; 1; 7-2020; 1-15
0004-6256
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.3847/1538-3881/ab93dd
info:eu-repo/semantics/altIdentifier/url/https://iopscience.iop.org/article/10.3847/1538-3881/ab93dd
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 IOP Publishing
publisher.none.fl_str_mv IOP Publishing
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 13.070432

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