Articles by Herman Jens Hoeijmakers

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Herman Jens Hoeijmakers

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Secrets in the shadow: High precision stellar abundances of fast-rotating A-type exoplanet host stars through transit spectroscopy

24 September 2024 by M. Lam and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments

19 July 2024 by Annapaola Marconi and others

Instrumentation and Methods for Astrophysics

An atlas of resolved spectral features in the transmission spectrum of WASP-189 b with MAROON-X

13 March 2024 by B. Prinoth and others

Earth and Planetary Astrophysics

The Mantis Network IV: A titanium cold-trap on the ultra-hot Jupiter WASP-121 b

16 January 2024 by Herman Jens Hoeijmakers and others

Earth and Planetary Astrophysics

Small but mighty: High-resolution spectroscopy of ultra-hot Jupiter atmospheres with compact telescopes. KELT-9 b's transmission spectrum with Wendelstein's FOCES Spectrograph

7 January 2024 by N. Borsato and others

Earth and Planetary Astrophysics

3D non-LTE modeling of the stellar center-to-limb variation for transmission spectroscopy studies

8 December 2023 by G. Canocchi and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

Detection of atmospheric species and dynamics in the bloated hot Jupiter WASP-172~b with ESPRESSO

25 August 2023 by Julia Victoria Seidel and others

Earth and Planetary Astrophysics

The Mantis Network III: Expanding the limits of chemical searches within ultra hot-Jupiters. New detections of Ca I, V I, Ti I, Cr I, Ni I, Sr II, Ba II, and Tb II in KELT-9 b

11 April 2023 by N. Borsato and others

Earth and Planetary Astrophysics

Into the Storm: Diving into the winds of the ultra hot Jupiter WASP-76 b with HARPS and ESPRESSO

20 July 2021 by Julia Victoria Seidel and others

Earth and Planetary Astrophysics

Molecular mapping of the PDS70 system: No molecular absorption signatures from the forming planet PDS70 b

7 June 2021 by G. Cugno and others

Earth and Planetary Astrophysics

A medium-resolution spectrum of the exoplanet HIP 65426 b

4 December 2020 by Simon Petrus and others

Earth and Planetary Astrophysics

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) V. Detection of sodium on the bloated super-Neptune WASP-166b

3 July 2020 by Julia Victoria Seidel and others

Earth and Planetary Astrophysics

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) IV. A spectral inventory of atoms and molecules in the high-resolution transmission spectrum of WASP-121 b

19 June 2020 by Herman Jens Hoeijmakers and others

Earth and Planetary Astrophysics

Mass loss rate and local thermodynamic state of KELT-9 b thermosphere from the hydrogen Balmer series

6 May 2020 by Aurelien Wyttenbach and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

Three planets transiting the evolved star EPIC 249893012: a hot 8.8-M_\oplus super-Earth and two warm 14.7 and 10.2-M_\oplus sub-Neptunes

5 February 2020 by Diego Hidalgo and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) III. Atmospheric structure of the misaligned ultra-hot Jupiter WASP-121b

19 January 2020 by Vincent Bourrier and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

Optical phase curve of the ultra-hot Jupiter WASP-121b

6 September 2019 by Vincent Bourrier and others

Earth and Planetary Astrophysics

A spectral survey of an ultra-hot Jupiter: Detection of metals in the transmission spectrum of KELT-9 b

6 May 2019 by Herman Jens Hoeijmakers and others

Earth and Planetary Astrophysics

Molecule mapping of HR8799b using OSIRIS on Keck: Strong detection of water and carbon monoxide, but no methane

31 August 2018 by D. J. M. Petit Dit De La Roche and others

Earth and Planetary Astrophysics

The Peculiar Atmospheric Chemistry of KELT-9b

19 June 2018 by Daniel Kitzmann and others

Earth and Planetary Astrophysics, Atmospheric and Oceanic Physics

Medium-resolution integral-field spectroscopy for high-contrast exoplanet imaging: Molecule maps of the β Pictoris system with SINFONI

27 February 2018 by Herman Jens Hoeijmakers and others

Earth and Planetary Astrophysics

Searching for reflected light from τ Bootis b with high-resolution ground-based spectroscopy: Approaching the 10^{-5} contrast barrier

14 November 2017 by Herman Jens Hoeijmakers and others

Earth and Planetary Astrophysics

Exoplanetary atmospheric sodium revealed by the orbital motion. Narrow-band transmission spectroscopy of HD 189733b with UVES

9 December 2016 by Sara Khalafinejad and others

Earth and Planetary Astrophysics, Solar and Stellar Astrophysics

Search for an exosphere in sodium and calcium in the transmission spectrum of exoplanet 55 Cancri e

13 July 2016 by A. Ridden-Harper and others

Earth and Planetary Astrophysics

A search for TiO in the optical high-resolution transmission spectrum of HD 209458b: Hindrance due to inaccuracies in the line database

21 November 2014 by Herman Jens Hoeijmakers and others

Earth and Planetary Astrophysics

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Earth and Planetary Astrophysics Solar and Stellar Astrophysics Atmospheric and Oceanic Physics