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Asteroseismology of sz lyn using multi-band high time resolution photometry from ground and space
J. Adassuriya, S. Ganesh, J. L. Gutierrez +4
We report the analysis of high temporal resolution ground and space based photometric observations of SZ Lyncis, a binary star one of whose components is a high amplitude Scuti…
New BRITE-Constellation observations of the roAp star Alpha Circini
W. W. Weiss, H. -E. Fröhlich, T. Kallinger +11
Chemically peculiar (CP) stars with a measurable magnetic field comprise the group of mCP stars. The pulsating members define the subgroup of rapidly oscillating Ap (roAp) stars, o…
BRITE photometry and STELLA spectroscopy of bright stars in Auriga: Rotation, pulsation, orbits, and eclipses
K. G. Strassmeier, T. Granzer, M. Weber +7
Continuous photometry with up to three BRITE satellites was obtained for 12 targets and subjected to a period search. Contemporaneous high-resolution optical spectroscopy with STEL…
Data Analysis of Bright Main-Sequence A- and B-type Stars Observed Using the TESS and BRITE Spacecraft
Joyce A. Guzik, Jason Jackiewicz, Andrzej Pigulski +5
During the last two years we have received long time-series photometric observations of bright (V mag < 8) main-sequence A- and B-type stars observed by the NASA TESS spacecraft an…
TESS photometry of extreme helium stars PV Tel and V821 Cen
C. Simon Jeffery, Geert Barentsen, Gerald Handler
PV Tel variables are extreme helium (EHe) stars known to be intrinsic light and velocity variable on characteristic timescales 0.1 - 2 d. With two exceptions, they are best describ…
Direct evidence for shock-powered optical emission in a nova
Elias Aydi, Kirill V. Sokolovsky, Laura Chomiuk +39
Classical novae are thermonuclear explosions that occur on the surfaces of white dwarf stars in interacting binary systems (Bode & Evans 2008). It has long been thought that the lu…