| 1. Identity statement | ||||
| Reference Type | Journal Article | |||
| Site | mtc-m21c.sid.inpe.br | |||
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S | |||
| Identifier | 8JMKD3MGP3W34R/3T3M7M2 | |||
| Repository | sid.inpe.br/mtc-m21c/2019/04.03.10.39 (restricted access) | |||
| Last Update | 2019:04.03.10.39.24 (UTC) simone | |||
| Metadata Repository | sid.inpe.br/mtc-m21c/2019/04.03.10.39.24 | |||
| Metadata Last Update | 2020:01.06.11.42.12 (UTC) administrator | |||
| DOI | 10.3847/1538-3881/ab0963 | |||
| ISSN | 0004-6256 | |||
| Citation Key | AlmeidaADRCLJNP:2019:ApMeVe | |||
| Title | Orbital period variation of KIC 10544976: applegate mechanism versus light travel time effect  | |||
| Year | 2019 | |||
| Month | Apr. | |||
| Access Date | 2024, May 16 | |||
| Type of Work | journal article | |||
| Secondary Type | PRE PI | |||
| Number of Files | 1 | |||
| Size | 1945 KiB | |||
| 2. Context | ||||
| Author | 1 Almeida, L. A. 2 Almeida, Leandro de 3 Damineli, A. 4 Rodrigues, Cláudia Vilega 5 Castro, M. 6 Lopes, C. E. Ferreira 7 Jablonski, Francisco José 8 Nascimento Júnior, J. D. do 9 Pereira, M. G. | |||
| Resume Identifier | 1 2 3 4 8JMKD3MGP5W/3C9JGS5 5 6 7 8JMKD3MGP5W/3C9JH4Q | |||
| ORCID | 1 0000-0002-3817-6402 2 0000-0001-8179-1147 3 4 0000-0002-9459-043X 5 6 7 8 0000-0001-7804-2145 | |||
| Group | 1 2 3 4 DIDAS-CGCEA-INPE-MCTIC-GOV-BR 5 6 7 DIDAS-CGCEA-INPE-MCTIC-GOV-BR | |||
| Affiliation | 1 Universidade Federal do Rio Grande do Norte (UFRN) 2 Universidade Federal do Rio Grande do Norte (UFRN) 3 Universidade de São Paulo (USP) 4 Instituto Nacional de Pesquisas Espaciais (INPE) 5 Universidade Federal do Rio Grande do Norte (UFRN) 6 Universidade de São Paulo (USP) 7 Instituto Nacional de Pesquisas Espaciais (INPE) 8 Universidade Federal do Rio Grande do Norte (UFRN) 9 Universidade Estadual de Feira de Santana | |||
| Author e-Mail Address | 1 leonardoalmeida@fisica.ufrn.br 2 3 4 claudia.rodrigues@inpe.br | |||
| Journal | Astronomical Journal | |||
| Volume | 157 | |||
| Number | 4 | |||
| Pages | e150 | |||
| Secondary Mark | A1_GEOCIÊNCIAS A2_INTERDISCIPLINAR A2_ASTRONOMIA_/_FÍSICA | |||
| History (UTC) | 2019-04-03 10:39:24 :: simone -> administrator :: 2019-04-03 10:39:24 :: administrator -> simone :: 2019 2019-04-03 10:40:32 :: simone -> administrator :: 2019 2020-01-06 11:42:12 :: administrator -> simone :: 2019 | |||
| 3. Content and structure | ||||
| Is the master or a copy? | is the master | |||
| Content Stage | completed | |||
| Transferable | 1 | |||
| Content Type | External Contribution | |||
| Version Type | publisher | |||
| Keywords | binaries: eclipsing planetary systems stars: activity stars: flare stars: individual (KIC 10544976) starspots | |||
| Abstract | In recent years, several close post-common-envelope eclipsing binaries have been found to show cyclic eclipse timing variations (ETVs). This effect is usually interpreted either as the gravitational interaction among circumbinary bodies and the host binary-known as the light travel time (LTT) effect-or as the quadrupole moment variations in one magnetic active component-known as the Applegate mechanism. In this study, we present an analysis of the ETV and the magnetic cycle of the close binary KIC 10544976. This system is composed of a white dwarf and a red dwarf in a short orbital period (0.35 days) and was monitored by ground-based telescopes between 2005 and 2017 and by the Kepler satellite between 2009 and 2013. Using the Kepler data, we derived the magnetic cycle of the red dwarf by two ways: the rate and energy of flares and the variability due to spots. Both methods resulted in a cycle of similar to 600 days, which is in agreement with magnetic cycles measured for single low-mass stars. The orbital period of KIC 10544976 shows only one long-term variation which can be fitted by an LTT effect with period of similar to 16.8 yr. Hence, one possible explanation for the ETVs is the presence of a circumbinary body with a minimal mass of similar to 13.4 M-Jup.In- the particular scenario of coplanarity between the external body and the inner binary, the third body mass is also similar to 13.4 M-Jup. In this case, the circumbinary planet must either have survived the evolution of the host binary or have been formed as a consequence of its evolution. | |||
| Area | CEA | |||
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAS > Orbital period variation... | |||
| doc Directory Content | access | |||
| source Directory Content | there are no files | |||
| agreement Directory Content |
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| 4. Conditions of access and use | ||||
| Language | en | |||
| Target File | almeida_orbital.pdf | |||
| User Group | simone | |||
| Reader Group | administrator simone | |||
| Visibility | shown | |||
| Archiving Policy | denypublisher denyfinaldraft | |||
| Read Permission | deny from all and allow from 150.163 | |||
| Update Permission | not transferred | |||
| 5. Allied materials | ||||
| Next Higher Units | 8JMKD3MGPCW/3ETR8EH | |||
| Citing Item List | sid.inpe.br/bibdigital/2013/10.01.00.07 5 sid.inpe.br/mtc-m21/2012/07.13.14.43.51 1 | |||
| Dissemination | WEBSCI; PORTALCAPES; SCOPUS. | |||
| Host Collection | urlib.net/www/2017/11.22.19.04 | |||
| 6. Notes | ||||
| Empty Fields | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark mirrorrepository nextedition notes parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url | |||
| 7. Description control | ||||
| e-Mail (login) | simone | |||
| update | ||||