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Two new variable sdB stars, HE 0218−3437 and LB 1516
(Oxford University Press, 2010)
We present photometry which shows that two known hot subdwarf stars, HE 0218−3437 and
LB 1516, are variable. LB 1516 exhibits several frequencies in the range 12–25 cycles d−1
(periods of about 1–2 h) with amplitudes ...
UBV(RI)C JHK observations of Hipparcos-selected nearby stars
(Oxford University Press, 2010)
We present homogeneous, standardized UBV(RI)C photometry for over 700 nearby stars
selected on the basis of Hipparcos parallaxes. Additionally, we list JHK photometry for about
half of these stars, as well as L photometry ...
HE 0230−4323 revisited: a new rapidly pulsating sdB star
(Oxford University Press, 2010)
HE 0230−4323 is a hot sdB star in a binary system. An earlier work demonstrated that the
light curve of the system shows a strong (∼4 per cent) reflection effect and also appears to
exhibit photometric variations of the ...