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astronomy & astrophysics (62) 62
astrophysics (43) 43
cepheids (42) 42
stars (40) 40
physics - solar and stellar astrophysics (30) 30
solar and stellar astrophysics (22) 22
astrophysics - solar and stellar astrophysics (19) 19
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astrophysics, cosmology and astronomy (11) 11
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binaries: general (10) 10
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astronomy (8) 8
binaries (8) 8
physics - astrophysics of galaxies (8) 8
physics - cosmology and nongalactic astrophysics (8) 8
physics - earth and planetary astrophysics (8) 8
physics - high energy astrophysical phenomena (8) 8
physics - instrumentation and methods for astrophysics (8) 8
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binaries: spectroscopic (7) 7
calibration (7) 7
evolution (7) 7
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stellar classification (7) 7
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classical and quantum mechanics, general physics (6) 6
classical cepheids (6) 6
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main sequence stars (6) 6
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masses (5) 5
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amplitudes (4) 4
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640102 - astrophysics & cosmology- stars & quasi-stellar, radio & x-ray sources (3) 3
alpha-persei (3) 3
atmospheres (3) 3
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Astrophysical Journal, ISSN 0004-637X, 10/2018, Volume 866, Issue 1, p. 30
V350 Sgr is a classical Cepheid suitable for mass determination. It has a hot companion which is prominent in the ultraviolet (UV) and which is not itself a... 
HUBBLE-SPACE-TELESCOPE | ASTRONOMY & ASTROPHYSICS | CLASSICAL CEPHEID | RADII | stars: fundamental parameters | STARS | binaries: spectroscopic | stars: variables: Cepheids | Space telescopes | Amplitudes | Companion stars | Orbital velocity | Hubble Space Telescope | Energy distribution | Physics - Solar and Stellar Astrophysics
Journal Article
The Astrophysical Journal Supplement Series, ISSN 0067-0049, 05/2011, Volume 194, Issue 1, p. 1
Journal Article
Astronomical Journal, ISSN 0004-6256, 10/2013, Volume 146, Issue 4, pp. 1 - 10
Deriving the distribution of binary parameters for a particular class of stars over the full range of orbital separations usually requires the combination of... 
stars: variables: Cepheids | stars: massive | binaries: general | Orbitals | Separation | Stars | Imaging | Binary systems | Mass ratios | Ultraviolet | Cepheid variables | TELESCOPES | BINARY STARS | MULTIPLICITY | CAMERAS | ULTRAVIOLET RADIATION | RADIAL VELOCITY | ULTRAVIOLET SPECTRA | SPACE | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ASTRONOMY | ASTROPHYSICS | PHOTOMETRY | MASS | INTERFEROMETRY | CEPHEIDS
Journal Article
EPJ Web of Conferences, ISSN 2101-6275, 09/2017, Volume 152, p. 3009
The X-ray observations of three classical Cepheids produce a surprising result. At approximately the phase of maximum radius there is a sharp increase in X-ray... 
Photosphere | Diagnostic systems | Upper atmosphere | Cepheid variables
Conference Proceeding
Astronomical Journal, ISSN 0004-6256, 05/2016, Volume 151, Issue 5
We have conducted an imaging survey with the Hubble Space Telescope Wide Field Camera 3 (WFC3) of 70 Galactic Cepheids, typically within 1 kpc, with the aim of... 
stars: formation | stars: massive | binaries: general | stars: variables: Cepheids | Separation | Hubble Space Telescope | Stars | X-rays | Clusters | XMM (spacecraft) | Companion stars | Cepheid variables | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomical Journal, ISSN 0004-6256, 04/2016, Volume 151, Issue 4, p. 108
We have made XMM-Newton observations of 14 Galactic Cepheids that have candidate resolved (> or =5") companion stars based on our earlier HST Wide Field Camera... 
stars: formation | stars: massive | binaries: general | stars: variables: Cepheids | Stars | X-rays | Clusters | Spectra | XMM (spacecraft) | Companion stars | Cepheid variables | Field cameras | Physics - Solar and Stellar Astrophysics | STAR CLUSTERS | BINARY STARS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | CAMERAS | MAIN SEQUENCE STARS | X-RAY DETECTION | COSMIC X-RAY SOURCES | CEPHEIDS | COSMIC PHOTONS
Journal Article
Astrophysics and Space Science Proceedings, ISSN 1570-6591, 2013, Volume 31, pp. 95 - 98
Conference Proceeding
Proceedings of the International Astronomical Union, ISSN 1743-9213, 7/2010, Volume 6, Issue S272, pp. 537 - 538
AbstractBinary/multiple status can affect stars at all stages of their lifetimes: evolution onto the main sequence, properties on the main sequence, and... 
Binaries: general | Stars: variables: Cepheids | Double stars | Star & galaxy formation | X ray astronomy
Journal Article
Astronomical Journal, ISSN 0004-6256, 09/2011, Volume 142, Issue 3
Journal Article