MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 08/2019, Volume 487, Issue 4, pp. 5932 - 5945
We explore the synergy between photometric and spectroscopic surveys by searching for periodic variable stars among the targets observed by the Apache Point...
DISTANCE | stars: variables: general | MACHO PROJECT LMC | ECLIPSING BINARIES | ALGORITHM | surveys | CLASSIFICATION | RR LYRAE STARS | INVENTORY | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | CEPHEIDS | catalogues | OGLE COLLECTION | Physics - Solar and Stellar Astrophysics
DISTANCE | stars: variables: general | MACHO PROJECT LMC | ECLIPSING BINARIES | ALGORITHM | surveys | CLASSIFICATION | RR LYRAE STARS | INVENTORY | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | CEPHEIDS | catalogues | OGLE COLLECTION | Physics - Solar and Stellar Astrophysics
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 06/2019, Volume 486, Issue 2, pp. 1907 - 1943
The variable stars in the VSX catalogue are derived from a multitude of inhomogeneous data sources and classification tools. This inhomogeneity complicates our...
surveys | binaries: eclipsing | catalogues | stars: variables: general | SKY AUTOMATED SURVEY | TELESCOPE | PERIOD-LUMINOSITY RELATION | SEARCH | ECLIPSING BINARIES | DELTA-SCUTI | GRAVITATIONAL LENSING EXPERIMENT | VARIABILITY | ASTRONOMY & ASTROPHYSICS | CEPHEIDS | OGLE COLLECTION
surveys | binaries: eclipsing | catalogues | stars: variables: general | SKY AUTOMATED SURVEY | TELESCOPE | PERIOD-LUMINOSITY RELATION | SEARCH | ECLIPSING BINARIES | DELTA-SCUTI | GRAVITATIONAL LENSING EXPERIMENT | VARIABILITY | ASTRONOMY & ASTROPHYSICS | CEPHEIDS | OGLE COLLECTION
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2017, Volume 471, Issue 2, pp. 2254 - 2285
Presently, a>3 sigma tension exists between values of the Hubble constant H-0 derived from analysis of fluctuations in the cosmic microwave background by...
Supernovae: general | Cosmological parameters | Cosmology: observations | Stars: variables: Cepheids | Distance scale | VELOCITY | DISTANCE | HUBBLE-SPACE-TELESCOPE | PERIOD-LUMINOSITY RELATION | DARK ENERGY | LIGHT CURVES | stars: variables: Cepheids | supernovae: general | distance scale | LOCAL VALUE | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | cosmology: observations | LARGE-MAGELLANIC-CLOUD | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics
Supernovae: general | Cosmological parameters | Cosmology: observations | Stars: variables: Cepheids | Distance scale | VELOCITY | DISTANCE | HUBBLE-SPACE-TELESCOPE | PERIOD-LUMINOSITY RELATION | DARK ENERGY | LIGHT CURVES | stars: variables: Cepheids | supernovae: general | distance scale | LOCAL VALUE | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | cosmology: observations | LARGE-MAGELLANIC-CLOUD | cosmological parameters | Physics - Cosmology and Nongalactic Astrophysics
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 06/2009, Volume 698, Issue 1, pp. 944 - 955
A search for variable stars with ultra-low amplitudes (ULAs), in the millimagnitude range, has been made in the combined MACHO and OGLE databases in the broad...
Magellanic Clouds | Instabilities | Cepheids | Stars: oscillations | stars: oscillations | CATALOG | ASTRONOMY & ASTROPHYSICS | MODE | GRAVITATIONAL LENSING EXPERIMENT | instabilities
Magellanic Clouds | Instabilities | Cepheids | Stars: oscillations | stars: oscillations | CATALOG | ASTRONOMY & ASTROPHYSICS | MODE | GRAVITATIONAL LENSING EXPERIMENT | instabilities
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 02/2015, Volume 799, Issue 2, pp. 144 - 20
We present the largest M31 near-infrared (F110W (close to J band), F160W (H band)) Cepheid sample so far. The sample consists of 371 Cepheids with photometry...
CEPHEID DISTANCE SCALE | galaxies: individual (M31) | HUBBLE-SPACE-TELESCOPE | METALLICITY DEPENDENCE | SMC | CONSTANT | Local Group | H-0 | stars: variables: Cepheids | distance scale | catalogs | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | LARGE-MAGELLANIC-CLOUD | Slopes | Galaxies | Hubble Space Telescope | Local group (astronomy) | Hubble constant | Dispersions | Deviation | Cepheid variables | LUMINOSITY | RANDOMNESS | SPACE | TELESCOPES | NEAR INFRARED RADIATION | DISTANCE | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | CATALOGS | CEPHEIDS | GALAXIES | COMPARATIVE EVALUATIONS
CEPHEID DISTANCE SCALE | galaxies: individual (M31) | HUBBLE-SPACE-TELESCOPE | METALLICITY DEPENDENCE | SMC | CONSTANT | Local Group | H-0 | stars: variables: Cepheids | distance scale | catalogs | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | LARGE-MAGELLANIC-CLOUD | Slopes | Galaxies | Hubble Space Telescope | Local group (astronomy) | Hubble constant | Dispersions | Deviation | Cepheid variables | LUMINOSITY | RANDOMNESS | SPACE | TELESCOPES | NEAR INFRARED RADIATION | DISTANCE | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | CATALOGS | CEPHEIDS | GALAXIES | COMPARATIVE EVALUATIONS
Journal Article
ASTRONOMY & ASTROPHYSICS, ISSN 1432-0746, 05/2019, Volume 625, p. A97
Context. More than half a million of the 1.69 billion sources in Gaia Data Release 2 (DR2) are published with photometric time series that exhibit light...
methods: data analysis | CATALOG | VARIABLE STARS | stars: variables: general | catalogs | ASTRONOMY & ASTROPHYSICS | stars: variables: RR Lyrae | CEPHEIDS | OGLE COLLECTION | stars: variables: Cepheids | stars: variables: delta Scuti
methods: data analysis | CATALOG | VARIABLE STARS | stars: variables: general | catalogs | ASTRONOMY & ASTROPHYSICS | stars: variables: RR Lyrae | CEPHEIDS | OGLE COLLECTION | stars: variables: Cepheids | stars: variables: delta Scuti
Journal Article
Astronomy & Astrophysics, ISSN 1432-0746, 2019, Volume 623, pp. 1 - 20
Context. The ESA Gaia mission provides a unique time-domain survey for more than 1.6 billion sources with G less than or similar to 21 mag. Aims. We showcase...
Surveys | Methods: data analysis | Binaries: eclipsing | Stars: general | Stars: oscillations | Stars: variables: general | binaries: eclipsing | methods: data analysis | stars: general | CEPHEID PULSATION MODELS | stars: variables: general | SEARCH | surveys | ASTEROSEISMOLOGY | VARIABILITY | stars: oscillations | CATALOG | RR LYRAE STARS | ASTRONOMY & ASTROPHYSICS | Cúmuls d'estels | Stars | Estels variables | Clusters of stars | Astrometria | Variable stars | Estels | Astrometry | Galactic Astrophysics | Solar and Stellar Astrophysics | Sciences of the Universe | Astrophysics | Physics | Engineering and Technology | Elektroteknik och elektronik | Onboard space systems | Other Electrical Engineering, Electronic Engineering, Information Engineering | Electrical Engineering, Electronic Engineering, Information Engineering | Teknik och teknologier | Rymdtekniska system | Annan elektroteknik och elektronik
Surveys | Methods: data analysis | Binaries: eclipsing | Stars: general | Stars: oscillations | Stars: variables: general | binaries: eclipsing | methods: data analysis | stars: general | CEPHEID PULSATION MODELS | stars: variables: general | SEARCH | surveys | ASTEROSEISMOLOGY | VARIABILITY | stars: oscillations | CATALOG | RR LYRAE STARS | ASTRONOMY & ASTROPHYSICS | Cúmuls d'estels | Stars | Estels variables | Clusters of stars | Astrometria | Variable stars | Estels | Astrometry | Galactic Astrophysics | Solar and Stellar Astrophysics | Sciences of the Universe | Astrophysics | Physics | Engineering and Technology | Elektroteknik och elektronik | Onboard space systems | Other Electrical Engineering, Electronic Engineering, Information Engineering | Electrical Engineering, Electronic Engineering, Information Engineering | Teknik och teknologier | Rymdtekniska system | Annan elektroteknik och elektronik
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 11/2013, Volume 435, Issue 4, pp. 3191 - 3205
We have extended the antares code to simulate the coupling of pulsation with convection in Cepheid-like variables in an increasingly realistic way, in...
Methods: Numerical | Hydrodynamics | Stars: Variables: Cepheids | Convection | NUMERICAL-METHODS | EFFICIENT IMPLEMENTATION | STELLAR CONVECTION | OF-STATE TABLES | hydrodynamics | methods: numerical | stars: variables: Cepheids | RADIATIVE-TRANSFER | convection | RR LYRAE STARS | PULSATION THEORY | ASTRONOMY & ASTROPHYSICS | INSTABILITY STRIP | GIANT STARS | SCHEMES | Physics - Solar and Stellar Astrophysics
Methods: Numerical | Hydrodynamics | Stars: Variables: Cepheids | Convection | NUMERICAL-METHODS | EFFICIENT IMPLEMENTATION | STELLAR CONVECTION | OF-STATE TABLES | hydrodynamics | methods: numerical | stars: variables: Cepheids | RADIATIVE-TRANSFER | convection | RR LYRAE STARS | PULSATION THEORY | ASTRONOMY & ASTROPHYSICS | INSTABILITY STRIP | GIANT STARS | SCHEMES | Physics - Solar and Stellar Astrophysics
Journal Article
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3925, 02/2015, Volume 449, Issue 1, pp. L113 - L117
Despite their importance, very few RR Lyrae (RRL) stars have been known to reside in binary systems. We report on a search for binary RRL in the OGLE-III...
Techniques: photometric | Methods: data analysis | Stars: fundamental parameters | Stars: variables: RR Lyrae | Binaries: general | Stars: oscillations | TU URSAE MAJORIS | DISTANCE | LUMINOSITIES | methods: data analysis | techniques: photometric | GRAVITATIONAL LENSING EXPERIMENT | METALLICITY | GALACTIC BULGE | CEPHEID | stars: oscillations | ASTRONOMY & ASTROPHYSICS | stars: fundamental parameters | STARS | binaries: general | stars: variables: RR Lyrae | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD
Techniques: photometric | Methods: data analysis | Stars: fundamental parameters | Stars: variables: RR Lyrae | Binaries: general | Stars: oscillations | TU URSAE MAJORIS | DISTANCE | LUMINOSITIES | methods: data analysis | techniques: photometric | GRAVITATIONAL LENSING EXPERIMENT | METALLICITY | GALACTIC BULGE | CEPHEID | stars: oscillations | ASTRONOMY & ASTROPHYSICS | stars: fundamental parameters | STARS | binaries: general | stars: variables: RR Lyrae | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 03/2019, Volume 484, Issue 1, pp. 409 - 421
Variable stars with well-calibrated period-luminosity (PL) relationships provide accurate distance measurements to nearby galaxies and are therefore a vital...
CLASSICAL CEPHEIDS | LUMINOSITY RELATIONS | RED GIANTS | CLASSIFICATION | H-0 | GRAVITATIONAL LENSING EXPERIMENT | distance scale | ASTRONOMY & ASTROPHYSICS | Magellanic Clouds | STARS | cosmology: observations | SECONDARY PERIODS | OGLE-III CATALOG
CLASSICAL CEPHEIDS | LUMINOSITY RELATIONS | RED GIANTS | CLASSIFICATION | H-0 | GRAVITATIONAL LENSING EXPERIMENT | distance scale | ASTRONOMY & ASTROPHYSICS | Magellanic Clouds | STARS | cosmology: observations | SECONDARY PERIODS | OGLE-III CATALOG
Journal Article
Nature, ISSN 0028-0836, 2014, Volume 509, Issue 7500, pp. 342 - 344
Flaring and warping of the disk of the Milky Way have been inferred from observations of atomic hydrogen(1,2) but stars associated with flaring have not...
CLASSICAL CEPHEIDS | MULTIDISCIPLINARY SCIENCES | PERIOD-LUMINOSITY RELATIONS | DARK-MATTER | GRAVITATIONAL LENSING EXPERIMENT | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD | MILKY-WAY | DWARF SPHEROIDAL GALAXY | EXTINCTION | GALACTIC BULGE | Research | Astronomical research | Identification and classification | Cepheids | Gravity | Dark matter | Star & galaxy formation | Stars & galaxies
CLASSICAL CEPHEIDS | MULTIDISCIPLINARY SCIENCES | PERIOD-LUMINOSITY RELATIONS | DARK-MATTER | GRAVITATIONAL LENSING EXPERIMENT | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD | MILKY-WAY | DWARF SPHEROIDAL GALAXY | EXTINCTION | GALACTIC BULGE | Research | Astronomical research | Identification and classification | Cepheids | Gravity | Dark matter | Star & galaxy formation | Stars & galaxies
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2014, Volume 566, pp. A43 - np
The EPOCH (EROS-2 periodic variable star classification using machine learning) project aims to detect periodic variable stars in the EROS-2 light curve...
Magellanic Clouds | Methods: data analysis | Stars: variables: general | methods: data analysis | stars: variables: general | HUBBLE-SPACE-TELESCOPE | TIME-SERIES DATA | MACHO PROJECT | GRAVITATIONAL LENSING EXPERIMENT | LYRAE STARS | DETECTING VARIABILITY | ASTRONOMY & ASTROPHYSICS | OGLE-III CATALOG | CANDIDATES | LARGE-MAGELLANIC-CLOUD | R-CORONAE-BOREALIS | Magellanic clouds | Databases | Binary stars | Classification | Recall | Mathematical models | Cepheid variables | Variable stars
Magellanic Clouds | Methods: data analysis | Stars: variables: general | methods: data analysis | stars: variables: general | HUBBLE-SPACE-TELESCOPE | TIME-SERIES DATA | MACHO PROJECT | GRAVITATIONAL LENSING EXPERIMENT | LYRAE STARS | DETECTING VARIABILITY | ASTRONOMY & ASTROPHYSICS | OGLE-III CATALOG | CANDIDATES | LARGE-MAGELLANIC-CLOUD | R-CORONAE-BOREALIS | Magellanic clouds | Databases | Binary stars | Classification | Recall | Mathematical models | Cepheid variables | Variable stars
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 05/2015, Volume 449, Issue 3, pp. 2539 - 2552
Non-local, time-dependent convection models have been used to explain the location of double-mode pulsations in Cepheids in the HR diagram as well as the...
ROTATION | STABILITY | hydrodynamics | methods: numerical | stars: variables: Cepheids | convection | RR LYRAE PULSATION | CODE | ASTRONOMY & ASTROPHYSICS | SOLAR | DYNAMICS | STARS | TURBULENT CONVECTION | SIMULATIONS | OSCILLATIONS | Physics - Solar and Stellar Astrophysics
ROTATION | STABILITY | hydrodynamics | methods: numerical | stars: variables: Cepheids | convection | RR LYRAE PULSATION | CODE | ASTRONOMY & ASTROPHYSICS | SOLAR | DYNAMICS | STARS | TURBULENT CONVECTION | SIMULATIONS | OSCILLATIONS | Physics - Solar and Stellar Astrophysics
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 08/2018, Volume 478, Issue 3, pp. 3825 - 3831
As part of a wider investigation of evolved massive stars in Galactic open clusters, we have spectroscopically identified three candidate classical Cepheids in...
PARALLAXES | open clusters and associations: individual: Berkeley 55 | CATALOG | Galaxy: structure | open clusters and associations: individual: NGC 6603 | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | PERIOD | PARAMETERS | stars: variables: Cepheids | open clusters and associations: individual: Berkeley 51
PARALLAXES | open clusters and associations: individual: Berkeley 55 | CATALOG | Galaxy: structure | open clusters and associations: individual: NGC 6603 | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | PERIOD | PARAMETERS | stars: variables: Cepheids | open clusters and associations: individual: Berkeley 51
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2013, Volume 429, Issue 1, pp. 385 - 397
We report the result of our near-infrared survey of short-period variable stars (P < 60 d) in a field of view of 20 arcmin × 30 arcmin towards the Galactic...
Variables | Cepheids -Galaxy | Centre - infrared | binaries: Eclipsing - stars | Bulge - Galaxy | Stars | binaries: eclipsing | LUMINOSITY RELATIONS | METALLICITY DISTRIBUTION | infrared: stars | GRAVITATIONAL LENSING EXPERIMENT | stars: variables: Cepheids | SUPERMASSIVE BLACK-HOLE | RED CLUMP STARS | Galaxy: centre | STELLAR VARIABILITY | ASTRONOMY & ASTROPHYSICS | Galaxy: bulge | INTERSTELLAR EXTINCTION LAW | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD | MILKY-WAY
Variables | Cepheids -Galaxy | Centre - infrared | binaries: Eclipsing - stars | Bulge - Galaxy | Stars | binaries: eclipsing | LUMINOSITY RELATIONS | METALLICITY DISTRIBUTION | infrared: stars | GRAVITATIONAL LENSING EXPERIMENT | stars: variables: Cepheids | SUPERMASSIVE BLACK-HOLE | RED CLUMP STARS | Galaxy: centre | STELLAR VARIABILITY | ASTRONOMY & ASTROPHYSICS | Galaxy: bulge | INTERSTELLAR EXTINCTION LAW | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD | MILKY-WAY
Journal Article
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, ISSN 0004-6280, 09/2019, Volume 131, Issue 1003, p. 94203
Cepheid variable stars calibrate the cosmic distance ladder and exhibit large-amplitude pulsations that provide interesting hydrodynamical insights into...
stars: atmospheres | stars: oscillations | techniques: radial velocities | NORTHERN CEPHEIDS | techniques: spectroscopic | line: profiles | ASTRONOMY & ASTROPHYSICS | stars: individual: X Cygni=HD 197572 | RADIAL-VELOCITIES | stars: variables: Cepheids | SPECTRA | GRADIENTS
stars: atmospheres | stars: oscillations | techniques: radial velocities | NORTHERN CEPHEIDS | techniques: spectroscopic | line: profiles | ASTRONOMY & ASTROPHYSICS | stars: individual: X Cygni=HD 197572 | RADIAL-VELOCITIES | stars: variables: Cepheids | SPECTRA | GRADIENTS
Journal Article
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On the variation of light-curve parameters of RR Lyrae variables at multiple wavelengths
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 12/2018, Volume 481, Issue 2, pp. 2000 - 2017
We present a detailed light-curve analysis of RR Lyrae variables at multiple wavelengths using Fourier decomposition method. The time-series data for RR Lyrae...
Stars: variables: RR Lyrae | Galaxy: bulge | Magellanic Clouds | PULSATIONAL DISTANCE | CLASSICAL CEPHEIDS | GRAVITATIONAL LENSING EXPERIMENT | K-S BANDS | PERIOD-LUMINOSITY | ASTRONOMY & ASTROPHYSICS | GALACTIC-CENTER | INTERSTELLAR EXTINCTION LAW | stars: variables: RR Lyrae | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD | AMPLITUDE-COLOR RELATIONS | Physics - Solar and Stellar Astrophysics
Stars: variables: RR Lyrae | Galaxy: bulge | Magellanic Clouds | PULSATIONAL DISTANCE | CLASSICAL CEPHEIDS | GRAVITATIONAL LENSING EXPERIMENT | K-S BANDS | PERIOD-LUMINOSITY | ASTRONOMY & ASTROPHYSICS | GALACTIC-CENTER | INTERSTELLAR EXTINCTION LAW | stars: variables: RR Lyrae | OGLE-III CATALOG | LARGE-MAGELLANIC-CLOUD | AMPLITUDE-COLOR RELATIONS | Physics - Solar and Stellar Astrophysics
Journal Article