Dq herculis stars - Open Access .click

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Time resolved spectroscopy of long-period DQ Herculis stars

The Astrophysical Journal, 1985
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cataclysmic variable stars
white dwarf stars
stellar accretion disks

Publications of the Astronomical Society of the Pacific, 1994
We review the properties of the DQ Herculis stars: cataclysmic variables containing an accreting, magnetic, rapidly rotating white dwarf. These stars are characterized by strong X-ray emission, high-excitation spectra, and very stable optical and X-ray pulsations in their light curves. There is considerable resemblance to their more famous cousins, the
Joseph Patterson
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The nebula around the binary post-AGB star 89 Herculis

Astronomy and Astrophysics, 2023
Iván Gallardo Cava, Javier Alcolea, Valentin Bujarrabal +2 more
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Keplerian disks and outflows in post-AGB stars: AC Herculis, 89 Herculis, IRAS 19125+0343, and R Scuti

Astronomy and Astrophysics, 2021
Javier Alcolea, H Van Winckel
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Parent Stars of Extrasolar Planets. IV. 14 Herculis, HD 187123, and HD 210277

Astrophysical Journal, 1999
Steven H Saar
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Spectroscopic Studies of DB White Dwarfs: The Instability Strip of the Pulsating DB (V777 Herculis) Stars

Astrophysical Journal, 1999
Pierre Bergeron, Gilles Fontaine
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The first “second solar spectrum” ever observed in a star different than the sun: A high‐resolution spectropolarimetric Atlas of 89 Herculis

Astronomische Nachrichten, 2019
Manuele Ettore Michel Gangi, Francesco Leone +1 more
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Measurements of Anisotropy in the Cosmic Microwave Background Radiation at 0[fdg]5 Scales near the Stars HR 5127 and φ Herculis

Astrophysical Journal, 1996
Figueiredo, Newton
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