A new photometric study of the high galactic latitude β Cephei star HN Aqr

Details A new photometric study of the high galactic latitude β Cephei star HN Aqr A new photometric study of the high galactic latitude β Cephei star HN Aqr

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coast.156...13h&link_type=abstract

Communications in Asteroseismology, Vol.156, p. 13-17

Physics

Scientific paper

We have carried out 32 h of new time-resolved CCD UBV photometry of the high galactic latitude β Cephei star HN Aqr. We detected its known single pulsation frequency and noticed additional variability at lower frequencies. It is not clear whether or not this longer-term variation originates from HN Aqr itself. The UBV colour amplitudes of the star's β Cephei pulsation point towards an ℓ=4 or ℓ=2 mode, inconsistent with previous mode identifications.

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