Results 121 to 130 of about 224 (157)

The structure of the Milky Way from period-luminosity relations. [PDF]

Proc Int Astron Union
Skowron DM.
europepmc   +1 more source

An Investigation of Short-Period Variable Stars. I. The Delta Scuti Stars

The Astrophysical Journal Supplement Series, 1969
openaire   +1 more source

THE LOWER PART OF THE INSTABILITY STRIP: EVOLUTIONARY STATUS OF DELTA SCUTI STARS Y.Y. Liu [PDF]

The accurate determination of distances from Hipparcos allows to compare the position in the HR diagram of constant, known variable and chemically peculiar stars in the lower part of the instability strip, including the available new information on ...
M. Auvergne, Baglin Auvergne, E. Michel, Y. Y. Liu, A. Baglin   +4 more
core  

Short-Period Variability of b, a, and F Stars. III. a Survey of Delta Scuti Variable Stars

The Astrophysical Journal Supplement Series, 1969
openaire   +1 more source

Short-period variability of B, A and F stars. II. Photometry of new delta Scuti stars.

The Astronomical Journal, 1969
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Pulsational mode-typing in line profile variables. IV - Selected Delta Scuti stars

The Astrophysical Journal, 1982
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The ASAS-SN catalogue of variable stars VI: an all-sky sample of δ Scuti stars [PDF]

Monthly Notices of the Royal Astronomical Society, 2020
ABSTRACT We characterize an all-sky catalogue of ∼8400 δ Scuti variables in ASAS-SN, which includes ∼3300 new discoveries. Using distances from Gaia DR2, we derive period–luminosity relationships for both the fundamental mode and overtone pulsators in the WJK, V, Gaia DR2 G, J, H, Ks, and W1 bands.
Patrick Vallely, Thomas W -S Holoien, Tharindu Jayasinghe   +2 more
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The study of short orbital period of delta scuti pulsating variable stars

Proceedings of the International Astronomical Union, 2019
AbstractAs a pulsating star moves in its binary orbit, the path length of the light between us and the star varies, leading to the periodic variation in the arrival time of the signal from the star to us (earth). With the consideration of pulsators light arrival time delay effects several new methods which allows using Kepler photometric data (light ...
openaire   +1 more source

The Delta Scuti variable AI Canum Venaticorum - Short-period variables, spectroscopic binaries, and the Bright Star Catalogue

Publications of the Astronomical Society of the Pacific, 1990
The observational history of the Delta Scuti star AI CVn wasa traced, and it was found to be incomplete and contradictory. It is suggested that the star is misclassified as a spectroscopic binary in The Bright Star Catalogue and that simultaneous spectroscopic and photometric observations are needed to determine the true nature of this star.
Jeremy R. King, Tianxing Liu
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Rapidly oscillating Ap stars and Delta Scuti variables

2008
The discovery of the rapidly oscillating Ap stars has raised many questions concerning the relationship among 6 Sct variables, Ap stars, and other apparent non-varying stars in the 6 Set instability strip. In this paper, the present status of our under standing of the rapidly oscillating Ap stars and the δ Set stars is reviewed, but the former class is
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