Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...392..599c&link_type=abstract
Astronomy and Astrophysics, v.392, p.599-603 (2002)
Astronomy and Astrophysics
Astrophysics
12
Stars: Early-Type, Stars: Oscillations, Stars: Individual: Beta Crucis
Scientific paper
High-resolution spectroscopic observations have led recently to the discovery that the beta Cephei star beta Crucis (Mimosa) is multiperiodic with at least three non-radial pulsation modes. Data obtained by the star tracker of the WIRE satellite have now allowed us to confirm this multiperiodicity in the light variations. A total of 5 million observations covering 17 days was analysed and the three main periods we find in this work are in perfect agreement with the results derived from the line profile variations. The photometric amplitudes are small (3, 2.7 and 0.6 millimag for the dominant modes), but this is not surprising in view of the mode identifications derived earlier from the line profiles. Additional periods of low-amplitude modes (between 0.2-0.3 mmag) are also derived, including one suggested earlier by the radial velocity data.
Aerts Christine
Buzasi Derek
Catanzarite Joe
Conrow Tim
Cuypers Jan
No associations
LandOfFree
Multiperiodicity in the light variations of the beta Cephei star beta Crucis does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Multiperiodicity in the light variations of the beta Cephei star beta Crucis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiperiodicity in the light variations of the beta Cephei star beta Crucis will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1311113