Astronomy and Astrophysics, ISSN 0004-6361, 2014, Volume 568, pp. A12 - 15
Context The presence of stable disks around post asymptotic giant branch (post-AGB) binaries is a widespread phenomenon. Also, the presence of (molecular)...
Techniques: interferometric | Techniques: photometric | Circumstellar matter | Stars: AGB and post-AGB | Infrared: stars | Binaries: general | PROTOPLANETARY DISKS | techniques: photometric | infrared: stars | stars: AGB and post-AGB | HERSCHEL-SPIRE INSTRUMENT | NEAR-INFRARED EMISSION | YOUNG STELLAR OBJECTS | circunistellar matter | SPACE-TELESCOPE | ASTRONOMY & ASTROPHYSICS | TELESCOPE SNAPSHOT SURVEY | SELF-SHADOWED DISKS | binaries: general | CIRCUMSTELLAR DISKS | INNER RIM | RED-RECTANGLE | techniques: interferometric | Parametrization | Wavelengths | Scattering | Outflow | Disks | Visibility | Radiative transfer | Photometry | Interferometry | Physics - Solar and Stellar Astrophysics
Techniques: interferometric | Techniques: photometric | Circumstellar matter | Stars: AGB and post-AGB | Infrared: stars | Binaries: general | PROTOPLANETARY DISKS | techniques: photometric | infrared: stars | stars: AGB and post-AGB | HERSCHEL-SPIRE INSTRUMENT | NEAR-INFRARED EMISSION | YOUNG STELLAR OBJECTS | circunistellar matter | SPACE-TELESCOPE | ASTRONOMY & ASTROPHYSICS | TELESCOPE SNAPSHOT SURVEY | SELF-SHADOWED DISKS | binaries: general | CIRCUMSTELLAR DISKS | INNER RIM | RED-RECTANGLE | techniques: interferometric | Parametrization | Wavelengths | Scattering | Outflow | Disks | Visibility | Radiative transfer | Photometry | Interferometry | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 03/2016, Volume 587, p. A143
Heterodyne receivers register the sky signal on either a circular polarization basis (where it is split into left-hand and right-hand circular polarization) or...
Techniques: interferometric | Techniques: polarimetric | Instrumentation: interferometers | techniques: polarimetric | VLBI | ASTRONOMY & ASTROPHYSICS | instrumentation: interferometers | techniques: interferometric | UNDERSTANDING RADIO POLARIMETRY | Algorithms | Circular polarization | Receivers | Telescopes | Linear polarization | Calibration | Optimization | Interferometry | Astronomi, astrofysik och kosmologi | Astronomy, Astrophysics and Cosmology
Techniques: interferometric | Techniques: polarimetric | Instrumentation: interferometers | techniques: polarimetric | VLBI | ASTRONOMY & ASTROPHYSICS | instrumentation: interferometers | techniques: interferometric | UNDERSTANDING RADIO POLARIMETRY | Algorithms | Circular polarization | Receivers | Telescopes | Linear polarization | Calibration | Optimization | Interferometry | Astronomi, astrofysik och kosmologi | Astronomy, Astrophysics and Cosmology
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 03/2015, Volume 449, Issue 4, pp. 4506 - 4514
Increasing data volumes delivered by a new generation of radio interferometers require computationally efficient and robust calibration algorithms. In this...
Techniques: interferometric | Instrumentation: interferometers | Methods: numerical | methods: numerical | ADMM | ASTRONOMY & ASTROPHYSICS | techniques: interferometric
Techniques: interferometric | Instrumentation: interferometers | Methods: numerical | methods: numerical | ADMM | ASTRONOMY & ASTROPHYSICS | techniques: interferometric
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 07/2015, Volume 579, p. A68
Context. Long-baseline interferometry is an important technique to spatially resolve binary or multiple systems in close orbits. By combining several...
Techniques: interferometric | Techniques: high angular resolution | Stars: variables: Cepheids | Binaries: close | CLASSICAL CEPHEIDS | RT-AURIGAE | EVOLUTION | MASS RATIOS | ORBIT | ASTRONOMY & ASTROPHYSICS | binaries: close | techniques: high angular resolution | CHARA ARRAY | stars: variables: Cepheids | techniques: interferometric | Algorithms | Dispersing | Searching | Stars | Spectra | Cepheid variables | Estimates | Interferometry
Techniques: interferometric | Techniques: high angular resolution | Stars: variables: Cepheids | Binaries: close | CLASSICAL CEPHEIDS | RT-AURIGAE | EVOLUTION | MASS RATIOS | ORBIT | ASTRONOMY & ASTROPHYSICS | binaries: close | techniques: high angular resolution | CHARA ARRAY | stars: variables: Cepheids | techniques: interferometric | Algorithms | Dispersing | Searching | Stars | Spectra | Cepheid variables | Estimates | Interferometry
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 12/2017, Volume 608, p. A113
We report the results of high-angular-resolution observations that search for exozodiacal light in a sample of main sequence stars and sub-giants. Using the...
Techniques: interferometric | Circumstellar matter | Planets and satellites: detection | Binaries: close | PLANETS | SYSTEM | CHARA/FLUOR | PARTICLES | ANDROMEDAE | binaries: close | SUBLIMATION | CHARA ARRAY | KAPPA-CRB | DUST RING FORMATION | circumstellar matter | ASTRONOMY & ASTROPHYSICS | COMPANIONS | planets and satellites: detection | techniques: interferometric | Physics - Solar and Stellar Astrophysics | Physics | Astrophysics
Techniques: interferometric | Circumstellar matter | Planets and satellites: detection | Binaries: close | PLANETS | SYSTEM | CHARA/FLUOR | PARTICLES | ANDROMEDAE | binaries: close | SUBLIMATION | CHARA ARRAY | KAPPA-CRB | DUST RING FORMATION | circumstellar matter | ASTRONOMY & ASTROPHYSICS | COMPANIONS | planets and satellites: detection | techniques: interferometric | Physics - Solar and Stellar Astrophysics | Physics | Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2013, Volume 555, pp. 1 - 21
Context. Dust is expected to be ubiquitous in extrasolar planetary systems owing to the dynamical activity of minor bodies. Inner dust populations are,...
Techniques: interferometric | Circumstellar matter | Stars: fundamental parameters | Binaries: close | Planetary systems | ASTEROID BELT ANALOGS | MAIN-SEQUENCE STARS | binaries: close | CHARA ARRAY | EXOPLANET HOST STARS | EFFECTIVE TEMPERATURES | SUN-LIKE STARS | planetary systems | circumstellar matter | ASTRONOMY & ASTROPHYSICS | stars: fundamental parameters | ANGULAR DIAMETERS | SOLAR-TYPE STARS | techniques: interferometric | HOT DUST | STELLAR INTERFEROMETRY | Dust | Populations | Stars | Samples | Statistical methods | Statistics | Extrasolar | Physics - Solar and Stellar Astrophysics | Solar and Stellar Astrophysics | Sciences of the Universe | Astrophysics | Cosmology and Extra-Galactic Astrophysics | Physics
Techniques: interferometric | Circumstellar matter | Stars: fundamental parameters | Binaries: close | Planetary systems | ASTEROID BELT ANALOGS | MAIN-SEQUENCE STARS | binaries: close | CHARA ARRAY | EXOPLANET HOST STARS | EFFECTIVE TEMPERATURES | SUN-LIKE STARS | planetary systems | circumstellar matter | ASTRONOMY & ASTROPHYSICS | stars: fundamental parameters | ANGULAR DIAMETERS | SOLAR-TYPE STARS | techniques: interferometric | HOT DUST | STELLAR INTERFEROMETRY | Dust | Populations | Stars | Samples | Statistical methods | Statistics | Extrasolar | Physics - Solar and Stellar Astrophysics | Solar and Stellar Astrophysics | Sciences of the Universe | Astrophysics | Cosmology and Extra-Galactic Astrophysics | Physics
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2011, Volume 413, Issue 2, pp. 1318 - 1332
For the next generation of radio interferometric telescopes it is of paramount importance to incorporate wide field-of-view (WFOV) considerations in...
methods: numerical | cosmology: observations | techniques: interferometric | Techniques: interferometric | Cosmology: observations | Methods: numerical | SIGNAL | RECONSTRUCTION | ASTRONOMY & ASTROPHYSICS | EMISSION | Electrical engineering | Fighter planes | Medical informatics | Radio astronomy | Radio telescopes | Image processing systems | Physics - Instrumentation and Methods for Astrophysics
methods: numerical | cosmology: observations | techniques: interferometric | Techniques: interferometric | Cosmology: observations | Methods: numerical | SIGNAL | RECONSTRUCTION | ASTRONOMY & ASTROPHYSICS | EMISSION | Electrical engineering | Fighter planes | Medical informatics | Radio astronomy | Radio telescopes | Image processing systems | Physics - Instrumentation and Methods for Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 09/2016, Volume 593, p. A45
Context. The B-W method is used to determine the distance of Cepheids and consists in combining the angular size variations of the star, as derived from...
Techniques: interferometric | Circumstellar matter | Stars: oscillations | BAADE-WESSELINK METHOD | EXTENDED ENVELOPES | HUBBLE-SPACE-TELESCOPE | PERIOD-LUMINOSITY RELATIONS | NEAR-INFRARED INTERFEROMETRY | HIGH-RESOLUTION SPECTROSCOPY | GALACTIC CEPHEIDS | stars: oscillations | PROJECTION FACTOR | circumstellar matter | ASTRONOMY & ASTROPHYSICS | DISTANCE DETERMINATION | BASE-LINE INTERFEROMETRY | techniques: interferometric | Infrared | Stars | Flux | Beam combiners | Cepheid variables | Pulsation | Interferometers | Interferometry | Physics - Solar and Stellar Astrophysics
Techniques: interferometric | Circumstellar matter | Stars: oscillations | BAADE-WESSELINK METHOD | EXTENDED ENVELOPES | HUBBLE-SPACE-TELESCOPE | PERIOD-LUMINOSITY RELATIONS | NEAR-INFRARED INTERFEROMETRY | HIGH-RESOLUTION SPECTROSCOPY | GALACTIC CEPHEIDS | stars: oscillations | PROJECTION FACTOR | circumstellar matter | ASTRONOMY & ASTROPHYSICS | DISTANCE DETERMINATION | BASE-LINE INTERFEROMETRY | techniques: interferometric | Infrared | Stars | Flux | Beam combiners | Cepheid variables | Pulsation | Interferometers | Interferometry | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 11/2016, Volume 595, p. A44
Context. Extended circumstellar emission has been detected within a few 100 milli-arcsec around >= 10% of nearby main sequence stars using near-infrared...
Circumstellar matter | Zodiacal dust | Techniques: Interferometric | Planetary systems | SAMPLE | zodiacal dust | VLTI/PIONIER | DUST | planetary systems | CHARA/FLUOR | circumstellar matter | ASTRONOMY & ASTROPHYSICS | MAIN-SEQUENCE STARS | CIRCUMSTELLAR MATERIAL | techniques: interferometric | Confidence intervals | Broadband | Searching | Stars | Emission | Time | Interferometers | Interferometry | Physics - Solar and Stellar Astrophysics
Circumstellar matter | Zodiacal dust | Techniques: Interferometric | Planetary systems | SAMPLE | zodiacal dust | VLTI/PIONIER | DUST | planetary systems | CHARA/FLUOR | circumstellar matter | ASTRONOMY & ASTROPHYSICS | MAIN-SEQUENCE STARS | CIRCUMSTELLAR MATERIAL | techniques: interferometric | Confidence intervals | Broadband | Searching | Stars | Emission | Time | Interferometers | Interferometry | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2013, Volume 555, pp. A146(1) - A146(20)
Context. Debris disks are thought to be extrasolar analogs to the solar system planetesimal belts. The star Fomalhaut harbors a cold debris belt at 140 AU...
Techniques: interferometric | Circumstellar matter | Radiative transfer | Zodiacal dust | Infrared: planetary systems | Stars: individual: Fomalhaut | stars: individual: Fomalhaut | zodiacal dust | KUIPER-BELT | radiative transfer | CIRCUMSTELLAR MATERIAL | SUBLIMATION | DUST RING FORMATION | PLANETARY SYSTEM | RADIATIVE-TRANSFER | SPACE-TELESCOPE | GRAINS | infrared: planetary systems | circumstellar matter | ASTRONOMY & ASTROPHYSICS | STARS | techniques: interferometric | HOT DUST | Analogs | Origins | Dust | Belts | Disks | Solar system | Debris | Interferometry
Techniques: interferometric | Circumstellar matter | Radiative transfer | Zodiacal dust | Infrared: planetary systems | Stars: individual: Fomalhaut | stars: individual: Fomalhaut | zodiacal dust | KUIPER-BELT | radiative transfer | CIRCUMSTELLAR MATERIAL | SUBLIMATION | DUST RING FORMATION | PLANETARY SYSTEM | RADIATIVE-TRANSFER | SPACE-TELESCOPE | GRAINS | infrared: planetary systems | circumstellar matter | ASTRONOMY & ASTROPHYSICS | STARS | techniques: interferometric | HOT DUST | Analogs | Origins | Dust | Belts | Disks | Solar system | Debris | Interferometry
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 01/2015, Volume 574, p. A41
The properties of the inner disks of bright Herbig AeBe stars have been studied with near-infrared (NIR) interferometry and high resolution spectroscopy. Our...
Stars: Variables: T Tauri, Herbig Ae/Be | Protoplanetary disks | Binaries: General | Techniques: Interferometric | Near infrared radiation | Reproduction | Dust | Scattering | T Tauri stars | Disks | Visibility | Interferometry | Physics - Solar and Stellar Astrophysics
Stars: Variables: T Tauri, Herbig Ae/Be | Protoplanetary disks | Binaries: General | Techniques: Interferometric | Near infrared radiation | Reproduction | Dust | Scattering | T Tauri stars | Disks | Visibility | Interferometry | Physics - Solar and Stellar Astrophysics
Journal Article
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Full Text
CUBICAL - fast radio interferometric calibration suite exploiting complex optimization
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 08/2018, Volume 478, Issue 2, pp. 2399 - 2415
It has recently been shown that radio interferometric gain calibration can be expressed succinctly in the language of complex optimization. In addition to...
Techniques: interferometric | Instrumentation: interferometers -methods: analytical -methods: numerical | methods: analytical | VARIABLES | methods: numerical | ASTRONOMY & ASTROPHYSICS | instrumentation: interferometers | techniques: interferometric | Physics - Instrumentation and Methods for Astrophysics
Techniques: interferometric | Instrumentation: interferometers -methods: analytical -methods: numerical | methods: analytical | VARIABLES | methods: numerical | ASTRONOMY & ASTROPHYSICS | instrumentation: interferometers | techniques: interferometric | Physics - Instrumentation and Methods for Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 01/2019, Volume 621, p. A123
Context. Be stars are rapid rotators surrounded by a gaseous disk envelope whose origin is still under debate. This envelope is responsible for observed...
Stars: Emission-line, Be | Stars: winds, outflows | Techniques: High angular resolution | Stars: General | Techniques: Interferometric | CYCLIC VARIABILITY | DATA REDUCTION | stars: general | PERIOD ANALYSIS | STELLAR ENVELOPES | stars: winds, outflows | ZETA-TAURI | ROTATIONAL VELOCITIES | stars: emission-line, Be | ASTRONOMY & ASTROPHYSICS | CIRCUMSTELLAR DISK | techniques: high angular resolution | RADIAL-VELOCITY | IRAS OBSERVATIONS | FUNDAMENTAL PARAMETERS | techniques: interferometric | Physics - Solar and Stellar Astrophysics
Stars: Emission-line, Be | Stars: winds, outflows | Techniques: High angular resolution | Stars: General | Techniques: Interferometric | CYCLIC VARIABILITY | DATA REDUCTION | stars: general | PERIOD ANALYSIS | STELLAR ENVELOPES | stars: winds, outflows | ZETA-TAURI | ROTATIONAL VELOCITIES | stars: emission-line, Be | ASTRONOMY & ASTROPHYSICS | CIRCUMSTELLAR DISK | techniques: high angular resolution | RADIAL-VELOCITY | IRAS OBSERVATIONS | FUNDAMENTAL PARAMETERS | techniques: interferometric | Physics - Solar and Stellar Astrophysics
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 01/2017, Volume 597, p. A137
The photospheric radius is one of the fundamental parameters governing the radiative equilibrium of a star. We report new observations of the nearest...
Techniques: interferometric | Binaries: visual | Stars: fundamental parameters | Stars: individual: Alpha Centauri | Stars: solar-type | 12 BOOTIS | TRANSIT PARAMETERS | stars: individual: Alpha Centauri | STELLAR ATMOSPHERE MODELS | binaries: visual | MAIN-SEQUENCE | stars: solar-type | SURFACE BRIGHTNESS RELATIONS | ANGULAR SIZES | ASTRONOMY & ASTROPHYSICS | SOLAR | LINED SPECTROSCOPIC BINARIES | COEFFICIENTS | stars: fundamental parameters | techniques: interferometric | DWARF STARS | Photosphere | Stellar atmospheres | Parameters | Exponents | Limb darkening | Stars | Mathematical models | Power law | Physics - Solar and Stellar Astrophysics | Solar and Stellar Astrophysics | Sciences of the Universe | Astrophysics
Techniques: interferometric | Binaries: visual | Stars: fundamental parameters | Stars: individual: Alpha Centauri | Stars: solar-type | 12 BOOTIS | TRANSIT PARAMETERS | stars: individual: Alpha Centauri | STELLAR ATMOSPHERE MODELS | binaries: visual | MAIN-SEQUENCE | stars: solar-type | SURFACE BRIGHTNESS RELATIONS | ANGULAR SIZES | ASTRONOMY & ASTROPHYSICS | SOLAR | LINED SPECTROSCOPIC BINARIES | COEFFICIENTS | stars: fundamental parameters | techniques: interferometric | DWARF STARS | Photosphere | Stellar atmospheres | Parameters | Exponents | Limb darkening | Stars | Mathematical models | Power law | Physics - Solar and Stellar Astrophysics | Solar and Stellar Astrophysics | Sciences of the Universe | Astrophysics
Journal Article