Search Results - "Desidera, S"
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1
Binary planet formation through tides
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT The search for satellites around exoplanets represents one of the greatest challenges in advancing the characterization of planetary systems…”
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2
Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars
Published in Monthly notices of the Royal Astronomical Society (01-07-2022)“…ABSTRACT The last decade of direct imaging (DI) searches for sub-stellar companions has uncovered a widely diverse sample that challenges the current formation…”
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3
A new white dwarf companion around the Δμ star GJ 3346
Published in Monthly notices of the Royal Astronomical Society (21-05-2020)“…ABSTRACT We present the discovery of a white dwarf companion at ∼3.6 arcsec from GJ 3346, a nearby (π ∼ 42 mas) K star observed with SPHERE@VLT as part of an…”
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4
X-Ray and Ultraviolet Emission of the Young Planet-hosting Star V1298 Tau from Coordinated Observations with XMM-Newton and Hubble Space Telescope
Published in The Astrophysical journal (01-07-2023)“…Abstract Atmospheric mass loss plays a major role in the evolution of exoplanets. This process is driven by the stellar high-energy irradiation, especially in…”
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New Constraints on the Future Evaporation of the Young Exoplanets in the V1298 Tau System
Published in The Astrophysical journal (01-02-2022)“…Abstract Transiting planets at young ages are key targets for improving our understanding of the evolution of exo-atmospheres. We present results of a new…”
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Elemental abundances of low-mass stars in nearby young associations: AB Doradus, Carina Near and Ursa Major
Published in Monthly notices of the Royal Astronomical Society (21-12-2012)“…Abstract We present stellar parameters and abundances of 11 elements (Li, Na, Mg, Al, Si, Ca, Ti, Cr, Fe, Ni and Zn) of 13 F6-K2 main-sequence stars in the…”
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7
Results from The COPAINS Pilot Survey: Four new brown dwarfs and a high companion detection rate for accelerating stars
Published in Monthly notices of the Royal Astronomical Society (10-05-2022)“…Abstract The last decade of direct imaging (DI) searches for sub-stellar companions has uncovered a widely diverse sample that challenges the current formation…”
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8
Characterizing brown dwarf companions with IRDIS long-slit spectroscopy: HD 1160 B and HD 19467 B
Published in Monthly notices of the Royal Astronomical Society (11-07-2020)“…ABSTRACT The determination of the fundamental properties (mass, separation, age, gravity, and atmospheric properties) of brown dwarf companions allows us to…”
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The gravitational mass of Proxima Centauri measured with SPHERE from a microlensing event
Published in Monthly notices of the Royal Astronomical Society (11-10-2018)“…Proxima Centauri, our closest stellar neighbour, is a low-mass M5 dwarf orbiting in a triple system. An Earth-mass planet with an 11 day period has been…”
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10
TIC 257060897b: An inflated, low-density, hot-Jupiter transiting a rapidly evolving subgiant star
Published in Monthly notices of the Royal Astronomical Society (01-01-2022)“…ABSTRACT We report the discovery of a new transiting exoplanet orbiting the star TIC 257060897 and detected using TESS full frame images. We acquired HARPS-N…”
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11
The chemical composition of nearby young associations: s-process element abundances in AB Doradus, Carina-Near and Ursa Major
Published in Monthly notices of the Royal Astronomical Society (01-07-2012)“…Recently, several studies have shown that young, open clusters are characterized by a considerable overabundance in their barium content. In particular,…”
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12
Limits on the presence of planets in systems with debris discs: HD 92945 and HD 107146
Published in Monthly notices of the Royal Astronomical Society (18-03-2021)“…ABSTRACT Recent observations of resolved cold debris discs at tens of au have revealed that gaps could be a common feature in these Kuiper-belt analogues. Such…”
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13
FURTHER CONSTRAINTS ON THE OPTICAL TRANSMISSION SPECTRUM OF HAT-P-1b
Published in The Astrophysical journal (20-09-2015)“…ABSTRACT We report on novel observations of HAT-P-1 aimed at constraining the optical transmission spectrum of the atmosphere of its transiting hot-Jupiter…”
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An extensive radial velocity survey towards NGC 6253
Published in Monthly notices of the Royal Astronomical Society (11-04-2016)“…The old and metal-rich open cluster NGC 6253 was observed with the Fibre Large Array Multi Element Spectrograph (FLAMES) multi-object spectrograph during an…”
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15
Erratum to: High precision radial velocities with GIANO spectra
Published in Experimental astronomy (01-08-2016)Get full text
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Abundance analysis of four members of the metal-rich open cluster NGC 6253
Published in Monthly notices of the Royal Astronomical Society (01-07-2012)“…We report on VLT/UVES high-resolution spectra of four members of the old metal-rich open cluster NGC 6253: a main-sequence star, two red-clump stars and a blue…”
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Supernova 2002bo: inadequacy of the single parameter description
Published in Monthly notices of the Royal Astronomical Society (11-02-2004)“…We present optical/near-infrared photometry and spectra of the type Ia SN 2002bo spanning epochs from −13 d before maximum B-band light to +102 d after. The…”
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Properties of Hypothetical Planetary Systems around the Brown Dwarf Gliese 229B
Published in Publications of the Astronomical Society of the Pacific (01-12-1999)“…Up to now, the occurrence of planetary systems around brown dwarfs has not been studied in detail. However, there is no reason to exclude the occurrence of…”
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Detecting Extrasolar Planets with Integral Field Spectroscopy
Published in Publications of the Astronomical Society of the Pacific (01-08-2006)“…Observations of extrasolar planets using integral field spectroscopy (IFS), if coupled with an extreme adaptive optics system and analyzed with a simultaneous…”
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Evidence for Magnetic Accretion during the 2002 Optical Outburst of the Old Nova GK Persei (1901)
Published in Publications of the Astronomical Society of the Pacific (01-04-2003)“…Spectra of the old nova GK Per taken at the beginning and during the rise of the 2002 dwarf nova–like outburst reveal that halfway to light maximum, most of…”
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