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Pregled bibliografske jedinice broj: 1219083

Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656


Wolf, M.; Harmanec, P.; Božić, H.; Koubský, P.; Yang, S.; Ruždjak, D.; Šlechta, M.; Ak, H.; Bakış, H.; Bakış, V. et al.
Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656 // Astronomy & ; Astrophysics, 647 (2021), 97, 18 doi:10.1051/0004-6361/202039740 (međunarodna recenzija, članak, znanstveni)


CROSBI ID: 1219083 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656

Autori
Wolf, M. ; Harmanec, P. ; Božić, H. ; Koubský, P. ; Yang, S. ; Ruždjak, D. ; Šlechta, M. ; Ak, H. ; Bakış, H. ; Bakış, V. ; Oplištilová, A. ; Vitovský, K.

Izvornik
Astronomy &amp ; Astrophysics (0004-6361) 647 (2021); 97, 18

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
binaries: spectroscopic ; stars: emission-line ; Be ; stars: early-type ; stars: individual: V923 Aql ; stars: fundamental parameters ; Astrophysics - Solar and Stellar Astrophysics

Sažetak
We present the latest results of a long-term observational project aimed at observing, collecting from the literature, and homogenising the light, colour, and spectral variations of the well-known emission-line Be star V923 Aql. Our analysis of these parameters confirms that all of the observables exhibit cyclic changes with variable cycle length between about 1800 and 3000 days, so far documented for seven consecutive cycles. We show that these variations can be qualitatively understood within the framework of the model of one-armed oscillation of the circumstellar disk, with a wave of increased density and prograde revolution in space. We confirm the binary nature of the object with a 214.716 day period and estimate the probable system properties. We also confirm the presence of rapid light, and likely also spectral changes. However, we cannot provide any firm conclusions regarding their nature. A quantitative modelling study of long-term changes is planned as a follow-up to this work. Full Tables 1-4 are only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (ftp://130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/cat/J/A+A/647/A97 Based on new spectral and photometric observations from the following observatories: Canakkale, Dominion Astrophysical Observatory, ESO La Silla, Haute Provence Chiron, Hvar, Mt. Palomar, Ondřejov, San Pedro Mártir, Sierra Nevada, Toronto, Trieste, Tubitak National Observatory, ASAS and ASAS-SN services, BeSS spectra database, and Kamogata-Kiso-Kyoto Wide-field Survey.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
IP-2018-01-7549 - Milimetarska i submilimetarska opažanja Sunčeve kromosfere pomoću ALMA-e (MSOC) (Brajša, Roman, HRZZ - 2018-01) ( CroRIS)
IP-2013-11-6212 - Promjenjivost Sunca i zvijezda (SOLSTEL) (Vršnak, Bojan, HRZZ - 2013-11) ( CroRIS)

Ustanove:
Geodetski fakultet, Zagreb

Profili:

Avatar Url Hrvoje Božić (autor)

Avatar Url Domagoj Ruždjak (autor)

Poveznice na cjeloviti tekst rada:

doi

Citiraj ovu publikaciju:

Wolf, M.; Harmanec, P.; Božić, H.; Koubský, P.; Yang, S.; Ruždjak, D.; Šlechta, M.; Ak, H.; Bakış, H.; Bakış, V. et al.
Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656 // Astronomy & ; Astrophysics, 647 (2021), 97, 18 doi:10.1051/0004-6361/202039740 (međunarodna recenzija, članak, znanstveni)
Wolf, M., Harmanec, P., Božić, H., Koubský, P., Yang, S., Ruždjak, D., Šlechta, M., Ak, H., Bakış, H. & Bakış, V. (2021) Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656. Astronomy & ; Astrophysics, 647, 97, 18 doi:10.1051/0004-6361/202039740.
@article{article, author = {Wolf, M. and Harmanec, P. and Bo\v{z}i\'{c}, H. and Koubsk\'{y}, P. and Yang, S. and Ru\v{z}djak, D. and \v{S}lechta, M. and Ak, H. and Bak\i\c{s}, H. and Bak\i\c{s}, V. and Opli\v{s}tilov\'{a}, A. and Vitovsk\'{y}, K.}, year = {2021}, pages = {18}, DOI = {10.1051/0004-6361/202039740}, chapter = {97}, keywords = {binaries: spectroscopic, stars: emission-line, Be, stars: early-type, stars: individual: V923 Aql, stars: fundamental parameters, Astrophysics - Solar and Stellar Astrophysics}, journal = {Astronomy and amp ; Astrophysics}, doi = {10.1051/0004-6361/202039740}, volume = {647}, issn = {0004-6361}, title = {Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656}, keyword = {binaries: spectroscopic, stars: emission-line, Be, stars: early-type, stars: individual: V923 Aql, stars: fundamental parameters, Astrophysics - Solar and Stellar Astrophysics}, chapternumber = {97} }
@article{article, author = {Wolf, M. and Harmanec, P. and Bo\v{z}i\'{c}, H. and Koubsk\'{y}, P. and Yang, S. and Ru\v{z}djak, D. and \v{S}lechta, M. and Ak, H. and Bak\i\c{s}, H. and Bak\i\c{s}, V. and Opli\v{s}tilov\'{a}, A. and Vitovsk\'{y}, K.}, year = {2021}, pages = {18}, DOI = {10.1051/0004-6361/202039740}, chapter = {97}, keywords = {binaries: spectroscopic, stars: emission-line, Be, stars: early-type, stars: individual: V923 Aql, stars: fundamental parameters, Astrophysics - Solar and Stellar Astrophysics}, journal = {Astronomy and amp ; Astrophysics}, doi = {10.1051/0004-6361/202039740}, volume = {647}, issn = {0004-6361}, title = {Long-term, orbital, and rapid variations of the Be star V923 Aql = HD 183656}, keyword = {binaries: spectroscopic, stars: emission-line, Be, stars: early-type, stars: individual: V923 Aql, stars: fundamental parameters, Astrophysics - Solar and Stellar Astrophysics}, chapternumber = {97} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • Nature Index


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