Search Results - "Langellier, N"
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1
Three years of Sun-as-a-star radial-velocity observations on the approach to solar minimum
Published in Monthly notices of the Royal Astronomical Society (21-07-2019)“…Abstract The time-variable velocity fields of solar-type stars limit the precision of radial-velocity determinations of their planets’ masses, obstructing…”
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Journal Article -
2
HARPS-N Solar RVs Are Dominated by Large, Bright Magnetic Regions
Published in The Astrophysical journal (20-03-2019)“…State-of-the-art radial-velocity (RV) exoplanet searches are currently limited by RV signals arising from stellar magnetic activity. We analyze solar…”
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Journal Article -
3
Testing the Spectroscopic Extraction of Suppression of Convective Blueshift
Published in The Astrophysical journal (10-01-2020)“…Efforts to detect low-mass exoplanets using stellar radial velocities (RVs) are currently limited by magnetic photospheric activity. Suppression of convective…”
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Journal Article -
4
Estimating Magnetic Filling Factors from Simultaneous Spectroscopy and Photometry: Disentangling Spots, Plage, and Network
Published in The Astrophysical journal (01-10-2021)“…Abstract State-of-the-art radial velocity (RV) exoplanet searches are limited by the effects of stellar magnetic activity. Magnetically active spots, plage,…”
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Journal Article -
5
Spectrally flat, broadband visible-wavelength astro-comb
Published in 2012 Conference on Lasers and Electro-Optics (CLEO) (01-05-2012)“…We demonstrate a broadband visible-wavelength astro-comb enabled by two key technologies: dispersion-managed, fiber-optic Cherenkov radiation for green-to-red…”
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Conference Proceeding -
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Estimating Magnetic Filling Factors From Simultaneous Spectroscopy and Photometry: Disentangling Spots, Plage, and Network
Published 14-10-2021“…The Astrophysical Journal, Volume 920, Number 1, 2021 State of the art radial velocity (RV) exoplanet searches are limited by the effects of stellar magnetic…”
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Journal Article -
7
Detection Limits of Low-mass, Long-period Exoplanets Using Gaussian Processes Applied to HARPS-N Solar RVs
Published 03-06-2021“…AJ 161 287 (2021) Radial velocity (RV) searches for Earth-mass exoplanets in the habitable zone around Sun-like stars are limited by the effects of stellar…”
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Journal Article -
8
Testing the Spectroscopic Extraction of Suppression of Convective Blueshift
Published 15-01-2020“…The Astrophysical Journal, 888:117(6pp), 2020 Efforts to detect low-mass exoplanets using stellar radial velocities (RVs) are currently limited by magnetic…”
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Journal Article -
9
Three years of Sun-as-a-star radial-velocity observations on the approach to solar minimum
Published 27-04-2019“…The time-variable velocity fields of solar-type stars limit the precision of radial-velocity determinations of their planets' masses, obstructing detection of…”
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Journal Article -
10
HARPS-N Solar Radial-Velocity Variations Are Dominated By Large, Bright Magnetic Regions
Published 11-02-2019“…State of the art radial-velocity (RV) exoplanet searches are currently limited by RV signals arising from stellar magnetic activity. We analyze solar…”
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Journal Article