Results 271 to 280 of about 3,822 (305)

Simulations of multi-phase gas in and around galaxies. [PDF]

Living Rev Comput Astrophys
Gronke M, E Schneider E.
europepmc   +1 more source

Over 1.65 GW cm^-2 sr^-1 brightness 590 nm yellow second-harmonic generation in MOCVD-grown high-strain InGaAs/GaAs quantum well VECSEL. [PDF]

Light Sci Appl
Zhang Z, Zhan W, Xiao Y, Luo C, Zhou H, Yang W, Cheng Y, Yu H, Li Q, Li X, Zhang C, Wang J.   +11 more
europepmc   +1 more source

A new variable star of short period

The Astronomical Journal, 1904
openaire   +1 more source

A new variable star of short period

, 1931
openaire   +1 more source

New periodic variable stars coincident withROSATsources discovered using SuperWASP [PDF]

Astronomy and Astrophysics, 2007
We present optical lightcurves of 428 periodic variable stars coincident with ROSAT X-ray sources, detected using the first run of the SuperWASP photometric survey. Only 68 of these were previously recognised as periodic variables.
A J Norton, P J Wheatley, D J Christian
exaly   +3 more sources

Periodic variable A-F spectral type stars in the southern TESS continuous viewing zone

Astronomy and Astrophysics
Aims. Our primary objective is to accurately identify and classify the variability of A-F stars in the southern continuous viewing zone of the TESS satellite.
M Skarka
exaly   +3 more sources

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Short-period variability of the Be star ? Eri

Astrophysics and Space Science, 1984
Photoelectric and spectrographic observations of the Be star λ Eri made during five nights indicate that the luminosity variations have a different periodicity from that of radial velocity variations. This result seems to show that, at least during our observing time, the observed variability has not to be ascribed to a pulsation of the star.
E. Antonello, L. Mantegazza, L. Pastori
openaire   +1 more source

The Distribution of The Periods of the Hagnetic Variable Stars

International Astronomical Union Colloquium, 1976
SummaryThe distribution of the periods of about 80 of the known variable Ap stars is studied in the framework of the oblique rotator model. It is shown that for the long period variables (P > 100 days) the oblique rotator has trouble in explaining the observed variations.
F.A. Catalano, G. Strazzulla
openaire   +1 more source

Multifilter observations of the complex periodic variations in eight pre-main sequence stars

Monthly Notices of the Royal Astronomical Society, 2022
Chris Koen, Koen Chris
exaly  

A Feature Selection Model to Filter Periodic Variable Stars with Data-sensitive Light-variable Characteristics

Journal of Signal Processing Systems, 2021
Guojian Tang, Tang Guojian
exaly