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2008CoAst.156...13H - Com. in Asteroseismology, 156, 13 (2008/November-0)
A new photometric study of the high galactic latitude β Cephei star HN Aqr.
HANDLER G. and SHOBBROOK R.R.
Abstract (from CDS):
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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