Search Results - "Damerdji, Y"
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Analysis of Gaia radial-velocity standards: stability and new substellar companion candidates
Published in Monthly notices of the Royal Astronomical Society (01-12-2022)“…ABSTRACT Our main aim is to test the non-variability of the radial velocity (RV) of a sample of 2351 standard stars used for wavelength calibration of the…”
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2
Fractal Analysis of Earthquake Sequences in the Ibero-Maghrebian Region
Published in Pure and applied geophysics (01-04-2019)“…The main topic of this study is to characterize the seismic activity in the studied region by performing qualitative and quantitative analyses of several…”
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3
Physical properties of the planetary systems WASP-45 and WASP-46 from simultaneous multiband photometry
Published in Monthly notices of the Royal Astronomical Society (11-02-2016)“…Accurate measurements of the physical characteristics of a large number of exoplanets are useful to strongly constrain theoretical models of planet formation…”
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A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry
Published in Monthly notices of the Royal Astronomical Society (11-09-2013)“…We report CCD V and I time series photometry of the globular cluster NGC 6333 (M9). The technique of difference image analysis has been used, which enables…”
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5
Analysis of the 2012–2013 Torreperogil-Sabiote seismic swarm
Published in Physics and chemistry of the earth. Parts A/B/C (01-10-2016)“…This study analyses the temporal clustering, spatial clustering, and statistics of the 2012–2013 Torreperogil-Sabiote (southern Spain) seismic swarm. During…”
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6
Detection of a Very Bright Optical Flare from the Gamma-Ray Burst GRB 050904 at Redshift 6.29
Published in The Astrophysical journal (20-02-2006)“…In this Letter, we discuss the flux and the behavior of the bright optical flare emission detected by the 25 cm TAROT robotic telescope during the prompt…”
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Faint-source-star planetary microlensing: the discovery of the cold gas-giant planet OGLE-2014-BLG-0676Lb
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract We report the discovery of a planet – OGLE-2014-BLG-0676Lb– via gravitational microlensing. Observations for the lensing event were made by the…”
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8
Robotic Observations of the Sky with TAROT: 2004–2007
Published in Publications of the Astronomical Society of the Pacific (01-12-2008)“…The TAROTs (Télescopes à Action Rapide pour les Objets Transitoires; Rapid Action Telescopes for Transient Objects) are two fully robotic observatories…”
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9
First Orbital Solution for the Non-thermal Emitter Cyg OB2 No. 9
Published in The Astrophysical journal (10-08-2010)“…After the first detection of its binary nature, the spectroscopic monitoring of the non-thermal radio emitter Cyg OB2 No. 9 (P = 2.4 yr) has continued,…”
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High-precision photometry by telescope defocussing – VI. WASP-24, WASP-25 and WASP-26
Published in Monthly notices of the Royal Astronomical Society (11-10-2014)“…We present time series photometric observations of 13 transits in the planetary systems WASP-24, WASP-25 and WASP-26. All three systems have orbital obliquity…”
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High-precision photometry by telescope defocussing – VIII. WASP-22, WASP-41, WASP-42 and WASP-55
Published in Monthly notices of the Royal Astronomical Society (21-04-2016)“…We present 13 high-precision and four additional light curves of four bright southern-hemisphere transiting planetary systems: WASP-22, WASP-41, WASP-42 and…”
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12
A SUPER-JUPITER ORBITING A LATE-TYPE STAR: A REFINED ANALYSIS OF MICROLENSING EVENT OGLE-2012-BLG-0406
Published in The Astrophysical journal (10-02-2014)“…We present a detailed analysis of survey and follow-up observations of microlensing event OGLE-2012-BLG-0406 based on data obtained from 10 different…”
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13
Erratum: A detailed census of variable stars in the globular cluster NGC 6333 (M9) from CCD differential photometry
Published in Monthly notices of the Royal Astronomical Society (11-05-2016)Get full text
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14
Faint-Source-Star Planetary Microlensing: The Discovery of the Cold Gas-Giant Planet OGLE-2014-BLG-0676Lb
Published in Monthly notices of the Royal Astronomical Society (10-12-2016)“…We report the discovery of a planet OGLE-2014-BLG-0676Lb via gravitational microlensing. Observations for the lensing event were made by the following groups:…”
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15
Gaia Data Release 3: spectroscopic binary-star orbital solutions and the SB1 processing chain
Published 18-10-2024“…Gaia is an astrometric space experiment that is measuring positions, proper motions as well as parallaxes for a huge number of stars. It operates a…”
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Synthetic stellar and SSP libraries as templates for Gaia simulations
Published in Astrophysics and space science (01-07-2010)“…ESA’s Gaia mission will collect low resolution spectroscopy in the optical range for ∼10 9 objects. Complete and up-to-date libraries of synthetic stellar…”
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17
Analysis of Gaia radial-velocity standards: stability and new substellar companion candidates
Published 26-09-2022“…Our main aim is to test the non-variability of the radial velocity (RV) of a sample of 2351 standard stars used for wavelength calibration of the RVS…”
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Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry
Published 19-04-2024“…Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are…”
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Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri
Published 08-11-2023“…A&A 680, A35 (2023) Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full…”
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Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars
Published 10-10-2023“…A&A 685, A130 (2024) Context. Strongly lensed quasars are fundamental sources for cosmology. The Gaia space mission covers the entire sky with the…”
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