Search Results - "Lovis, C."

Stellar surface information from the Ca ii H&K lines – II. Defining better activity proxies.

Authors: Cretignier, M Hara, N C Pietrow, A G M et al.

Source: Monthly Notices of the Royal Astronomical Society; Dec2024, Vol. 535 Issue 3, p2562-2584, 23p

Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet.

Authors: Allart, R. Bourrier, V. Lovis, C. et al.

Source: Science (pre-March 2025). 12/21/2018, Vol. 362 Issue 6421, p1384-1387. 4p. 1 Color Photograph, 4 Diagrams.

Subjects: Atmospheres of extrasolar planets, Helium, Planetary observations, Atmospheric research, Mass loss (Astrophysics)

NIGHT: A compact, near-infrared, high-resolution spectrograph to survey helium in exoplanet systems.

Authors: Farret Jentink, C Bourrier, V Lovis, C et al.

Source: Monthly Notices of the Royal Astronomical Society; Jan2024, Vol. 527 Issue 3, p4467-4482, 16p

The hot Neptune WASP-166 b with ESPRESSO – III. A blue-shifted tentative water signal constrains the presence of clouds.

Authors: Lafarga, M Brogi, M Gandhi, S et al.

Source: Monthly Notices of the Royal Astronomical Society; May2023, Vol. 521 Issue 1, p1233-1252, 20p

Hot Neptune WASP-166 b with ESPRESSO – I. Refining the planetary architecture and stellar variability.

Authors: Doyle, L Cegla, H M Bryant, E et al.

Source: Monthly Notices of the Royal Astronomical Society; 10/15/2022, Vol. 516 Issue 1, p298-315, 18p

hot Neptune WASP-166 b with ESPRESSO II: confirmation of atmospheric sodium.

Authors: Seidel, J V Cegla, H M Doyle, L et al.

Source: Monthly Notices of the Royal Astronomical Society: Letters; Jun2022, Vol. 513 Issue 1, pL15-L19, 5p

Towards the characterization of the hot Neptune/super-Earth population around nearby bright stars.

Authors: Lovis, C. Mayor, M. Bouchy, F. et al.

Source: Proceedings of the International Astronomical Union. 05/02/2008, Vol. 4 Issue S253, p502-505. 4p.

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling's impact on planet detection.

Authors: Ahrer, E Queloz, D Rajpaul, V M et al.

Source: Monthly Notices of the Royal Astronomical Society; May2021, Vol. 503 Issue 1, p1248-1263, 16p

K2-111: an old system with two planets in near-resonance.

Authors: Mortier, A Zapatero Osorio, M R Malavolta, L et al.

Source: Monthly Notices of the Royal Astronomical Society; Dec2020, Vol. 499 Issue 4, p5004-5021, 18p

TOI-2322: Two transiting rocky planets close to the stellar rotation period and its first harmonic.

Authors: Hobson, M. J. Suárez Mascareño, A. Lovis, C. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2025, Vol. 702, p1-20. 20p.

New wavelength calibration of the HARPS spectrograph.

Authors: Coffinet, A. Lovis, C. Dumusque, X. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. Sep2019, Vol. 629, p1-18. 18p.

The ESPRESSO transmission spectrum of HD189733 b: Extracting the planetary sodium and lithium signatures amid stellar contamination.

Authors: Mounzer, D. Dethier, W. Lovis, C. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2025, Vol. 700, p1-21. 21p.

Planets around evolved intermediate-mass stars.

Authors: Mena, E. Delgado Lovis, C. Santos, N. C. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. Nov2018, Vol. 619, pN.PAG-N.PAG. 13p.

K2-140b - an eccentric 6.57 d transiting hot Jupiter in Virgo.

Authors: Giles, H. A. C. Bayliss, D. Espinoza, N. et al.

Source: Monthly Notices of the Royal Astronomical Society; Apr2018, Vol. 475 Issue 2, p1809-1818, 10p

Search for water vapor in the high-resolution transmission spectrum of HD 189733b in the visible.

Authors: Allart, R. Lovis, C. Pino, L. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. Oct2017, Vol. 606, p1-9. 9p. 2 Charts, 5 Graphs.

Atmospheric stellar parameters from cross-correlation functions.

Authors: Malavolta, L. Lovis, C. Pepe, F. et al.

Source: Monthly Notices of the Royal Astronomical Society; Aug2017, Vol. 469 Issue 4, p3965-3975, 11p

High-resolution, high-efficiency narrowband spectroscopy with an s-p-phased holographic grating in double pass.

Authors: Farret Jentink, C. Pepe, F. Lovis, C. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2025, Vol. 698, p1-11. 11p.

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS): I. Detection of hot neutral sodium at high altitudes on WASP-49b.

Authors: Wyttenbach, A. Lovis, C. Ehrenreich, D. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. Jun2017, Vol. 602, p1-14. 14p.

Atmospheric characterization of Proxima b by coupling the SPHERE high-contrast imager to the ESPRESSO spectrograph.

Authors: Lovis, C. Snellen, I. Mouillet, D. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. Mar2017, Vol. 599, p1-16. 16p. 1 Diagram, 2 Charts, 5 Graphs.

A cautionary tale: limitations of a brightness-based spectroscopic approach to chromatic exoplanet radii.

Authors: Cegla, H. M. Lovis, C. Bourrier, V. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. Feb2017, Vol. 598, p1-5. 5p. 1 Chart, 2 Graphs.