Pulsating stars in the ASAS-3 database. I. Beta Cephei stars

Simple item page
dc.creatorPigulski, A.
dc.date2005-06-14
dc.date.accessioned2026-07-07T02:17:57Z
dc.date.available2026-07-07T02:17:57Z
dc.descriptionWe present results of an analysis of the ASAS-3 data for short-period variables from the recently published catalogue of over 38 000 stars. Using the data available in the literature we verify the results of the automatic classification related to $β$ Cephei pulsators. In particular, we find that 14 stars in the catalogue can be classified unambiguously as new $β$ Cephei stars. By means of periodogram analysis we derive the frequencies and amplitudes of the excited modes. The main modes in the new $β$ Cephei stars have large semi-amplitudes, between 35 and 80 mmag. Up to four modes were found in some stars. Two (maybe three) new $β$ Cephei stars are members of southern young open clusters: ASAS 164409-4719.1 belongs to NGC 6200, ASAS 164630-4701.2 is a member of Hogg 22, and ASAS 164939-4431.7 could be a member of NGC 6216. We also analyze the photometry of four known $β$ Cephei stars in the ASAS-3 catalogue, namely IL Vel, NSV 24078, V1449 Aql and SY Equ. Finally, we discuss the distribution of $β$ Cephei stars in the Galaxy.
dc.description15 pages, 8 figures, accepted for publication in Acta Astronomica
dc.identifierhttps://arxiv.org/abs/astro-ph/0506297
dc.identifierhttp://arxiv.org/abs/astro-ph/0506297
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/9309
dc.subjectAstrophysics
dc.titlePulsating stars in the ASAS-3 database. I. Beta Cephei stars
dc.typetext

Files

Collections

arXiv