Search Results - "Kürster, Martin"
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Exploring the Frequency of Close-in Jovian Planets around M Dwarfs
Published in The Astrophysical journal (20-09-2006)“…We discuss our high-precision radial velocity results of a sample of 90 M dwarfs observed with the Hobby-Eberly Telescope and the Harlan J. Smith 2.7 m…”
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TOI-2525 b and c: A Pair of Massive Warm Giant Planets with Strong Transit Timing Variations Revealed by TESS
Published in The Astronomical journal (01-04-2023)“…Abstract The K-type star TOI-2525 has an estimated mass of M = 0.849 − 0.033 + 0.024 M ⊙ and radius of R = 0.785 − 0.007 + 0.007 R ⊙ observed by the TESS…”
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A New Third Planet and the Dynamical Architecture of the HD 33142 Planetary System Based on observations collected at the European Organization for Astronomical Research in the Southern Hemisphere under ESO programs 60.A-9700, 60.A-9036, 097.C-0090, 0100.C-0414, 0101.C-0232, 0102.C-0338, and MPG programs 088.C-0892, 099.A-9009, 0100.A-9006
Published in The Astronomical journal (22-09-2022)Get full text
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Dynamical Architecture of the HD 107148 Planetary System
Published in The Astronomical journal (01-05-2022)“…Abstract We present an independent Doppler validation and dynamical orbital analysis of the two-planet system HD 107148, which was recently announced in…”
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A New Third Planet and the Dynamical Architecture of the HD 33142 Planetary System
Published in The Astronomical journal (01-10-2022)“…Abstract Based on recently-taken and archival HARPS, FEROS, and HIRES radial velocities (RVs), we present evidence for a new planet orbiting the first ascent…”
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TOI-2525 b and c: A Pair of Massive Warm Giant Planets with Strong Transit Timing Variations Revealed by TESS ∗ Based on observations collected at the European Organization for Astronomical Research in the Southern Hemisphere under MPG program 0104.A-9007. This paper includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile
Published in The Astronomical journal (28-03-2023)Get full text
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Detection of CO in the atmosphere of the hot Jupiter HD 189733b
Published in EPJ Web of conferences (2013)“…With time-series spectroscopic observations taken with the Near Infrared Spectrometer (NIRSPEC) at Keck II, we investigated the atmosphere of the close…”
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Evidence for a Long-Period Planet Orbiting Eridani
Published in The Astrophysical journal (01-12-2000)Get full text
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Evidence for a Long-Period Planet Orbiting ε Eridani
Published in The Astrophysical journal (01-12-2000)Get full text
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TESS exoplanet candidates validated with HARPS archival data. A massive Neptune around GJ143 and two Neptunes around HD23472
Published 06-03-2019“…A&A 622, L7 (2019) We aim at the discovery of new planetary systems by exploiting the transit light curve results from TESS orbital observatory's Sector 1 and…”
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Delay Compensation for Real Time Disturbance Estimation at Extremely Large Telescopes
Published in IEEE transactions on control systems technology (01-07-2017)“…In ground-based astronomy, aberrations due to structural vibrations, such as piston, limit the achievable resolution and cannot be corrected using adaptive…”
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A Transiting, Temperate Mini-Neptune Orbiting the M Dwarf TOI-1759 Unveiled by TESS
Published in The Astronomical journal (01-03-2022)“…Abstract We report the discovery and characterization of TOI-1759 b, a temperate (400 K) sub-Neptune-sized exoplanet orbiting the M dwarf TOI-1759 (TIC…”
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Radial-velocity jitter of stars as a function of observational timescale and stellar age
Published 27-11-2019“…A&A 632, A37 (2019) Stars show various amounts of radial velocity (RV) jitter due to varying stellar activity levels. The typical amount of RV jitter as a…”
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A new third planet and the dynamical architecture of the HD33142 planetary system
Published 08-06-2022“…Based on recently-taken and archival HARPS, FEROS and HIRES radial velocities (RVs), we present evidence for a new planet orbiting the first ascent red giant…”
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Dynamical architecture of the HD 107148 system
Published 14-02-2022“…We present an independent Doppler validation and dynamical orbital analysis of the two-planet system HD 107148, which was recently announced in Rosenthal et…”
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A transiting, temperate mini-Neptune orbiting the M dwarf TOI-1759 unveiled by TESS
Published 02-02-2022“…We report the discovery and characterization of TOI-1759~b, a temperate (400 K) sub-Neptune-sized exoplanet orbiting the M~dwarf TOI-1759 (TIC 408636441)…”
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Detection of CO absorption in the atmosphere of the hot Jupiter HD 189733b
Published 13-03-2013“…With time-series spectroscopic observations taken with the Near Infrared Spectrometer (NIRSPEC) at Keck II, we investigated the atmosphere of the close…”
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New HARPS and FEROS observations of GJ1046
Published 25-09-2018“…In this paper we present new precise Doppler data of GJ1046 taken between November 2005 and July 2018 with the HARPS and the FEROS high-resolution…”
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Disentangling 2:1 resonant radial velocity orbits from eccentric ones and a case study for HD 27894
Published 26-03-2015“…In radial velocity observations, a pair of extrasolar planets near a 2:1 orbital resonance can be misinterpreted as a single eccentric planet, if data are…”
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The CARMENES search for exoplanets around M dwarfs: A low-mass planet in the temperate zone of the nearby K2-18
Published 04-05-2018“…K2-18 is a nearby M2.5 dwarf, located at 34 pc and hosting a transiting planet which was first discovered by the {\it K2} mission and later confirmed with {\it…”
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