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The Hvar survey for roAp stars. I. The survey observations


Paunzen, E.; Netopil, M.; Rode-Paunzen, M.; Handler, G.; Božić, Hrvoje; Ruždjak, Domagoj; Sudar, Davor
The Hvar survey for roAp stars. I. The survey observations // Astronomy & astrophysics, 542 (2012), A89-1 doi:10.1051/0004-6361/201118752 (podatak o recenziji nije dostupan, prethodno priopćenje, znanstveni)


Naslov
The Hvar survey for roAp stars. I. The survey observations

Autori
Paunzen, E. ; Netopil, M. ; Rode-Paunzen, M. ; Handler, G. ; Božić, Hrvoje ; Ruždjak, Domagoj ; Sudar, Davor

Izvornik
Astronomy & astrophysics (0004-6361) 542 (2012); A89-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, prethodno priopćenje, znanstveni

Ključne riječi
stars: chemically peculiar; stars: variables: general; stars: early-type; stars: oscillations

Sažetak
The rapidly oscillating Ap (roAp) stars exhibit short time scale photometric and/or radial velocity variations, which are most important to test current pulsation models as well as our assumptions of the atmospheric structure characteristics. In addition, their chemical peculiarity makes them very interesting for probing stellar formation and evolution in the presence of a global magnetic field. To date, only a limited number of about 45 roAp stars are known. Aims: In order to increase the sample, we obtained photometric time series of 20 good roAp candidates to search for pulsations. We present the time series analysis of about 60 h of CCD photometry taken at the 1 m Austrian-Croatian Telescope (Hvar Observatory) and derive effective temperatures for the programme objects. The upper amplitude limits of the Fourier spectra are typically below 2 mmag in Bessell B with one good candidate for follow-up observations to find possible pulsation. In addition, we present a list of further roAp candidates, worth to be (re)investigated.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
007-0000000-1362 - Eruptivni procesi u Sunčevoj atmosferi (Bojan Vršnak, )
007-0000000-1364 - Fizikalni procesi u atmosferama Sunca i zvijezda (Vladimir Ruždjak, )

Ustanove
Geodetski fakultet, Zagreb

Profili:

Avatar Url Domagoj Ruždjak (autor)

Avatar Url Davor Sudar (autor)

Avatar Url Hrvoje Božić (autor)

Citiraj ovu publikaciju

Paunzen, E.; Netopil, M.; Rode-Paunzen, M.; Handler, G.; Božić, Hrvoje; Ruždjak, Domagoj; Sudar, Davor
The Hvar survey for roAp stars. I. The survey observations // Astronomy & astrophysics, 542 (2012), A89-1 doi:10.1051/0004-6361/201118752 (podatak o recenziji nije dostupan, prethodno priopćenje, znanstveni)
Paunzen, E., Netopil, M., Rode-Paunzen, M., Handler, G., Božić, H., Ruždjak, D. & Sudar, D. (2012) The Hvar survey for roAp stars. I. The survey observations. Astronomy & astrophysics, 542, A89-1 doi:10.1051/0004-6361/201118752.
@article{article, year = {2012}, pages = {A89-1-A89-6}, DOI = {10.1051/0004-6361/201118752}, keywords = {stars: chemically peculiar, stars: variables: general, stars: early-type, stars: oscillations}, journal = {Astronomy and astrophysics}, doi = {10.1051/0004-6361/201118752}, volume = {542}, issn = {0004-6361}, title = {The Hvar survey for roAp stars. I. The survey observations}, keyword = {stars: chemically peculiar, stars: variables: general, stars: early-type, stars: oscillations} }

Časopis indeksira:


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


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