64 citations · 787 across the 65 of their papers we have counts for
66 papers
A Headwind-like Helium Outflow from TOI-3884b
Joe P. Ninan, Jessica Libby-Roberts, Suvrath Mahadevan +19
Constraining atmospheric loss is crucial for understanding the evolution of planetary atmospheres. We report the detection of an evaporating exosphere from TOI-3884b, a super-Neptu…
Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
Dawid Jankowski, Grzegorz Nowak, Gaia Lacedelli +23
We present mass constraints of two short-period Earth-sized planets transiting K2-223 based on high-precision radial velocity measurements from HARPS-N and ESPRESSO, as well as a t…
Cross-correlation transmission spectroscopy of ultra-hot Jupiters WASP-189b, HAT-P-57b, KELT-17b, and KELT-21b with GIANO-B
P. Meni-Gallardo, J. Orell-Miquel, Gareb Fernández-Rodríguez +6
Since the discovery of the first exoplanet, significant efforts have been made to characterise their atmospheres. Ultra-hot Jupiters (UHJs) are of particular interest due to their…
Evidence for an Atmosphere on the Ultra-Short Period super-Earth HD 3167 b
Brandon Park Coy, Qiao Xue, Megan Weiner Mansfield +14
'Lava worlds'-Earth-sized planets hot enough (Teq >~ 1100 K) to melt their dayside silicate surfaces-have emerged as promising candidates for atmospheric detection and characteriza…
Atmospheric constraints on GJ 1214 b from CRIRES+ and prospects for characterisation with ANDES
A. Peláez-Torres, A. Sánchez-López, C. Jiang +5
In this study, we aim to constrain the atmospheric composition of GJ 1214 b using all available transits observed with the upgraded CRIRES+ spectrograph at the VLT by searching for…
TOI-3862 b: A dense super-Neptune deep in the hot Neptune desert
Ilaria Carleo, Amadeo Castro-González, Enric Pallé +61
The structure and evolution of close-in exoplanets are shaped by atmospheric loss and migration processes, which give rise to key population features such as the hot Neptune desert…
Characterization of two new transiting sub-Neptunes and a terrestrial planet around M-dwarf hosts
E. Poultourtzidis, G. Lacedelli, E. Pallé +49
We report the confirmation of three transiting exoplanets orbiting TOI-1243 (LSPM~J0902+7138), TOI-4529 (G~2--21), and TOI-5388 (Wolf~346) that were initially detected by TESS thro…
Revisiting the atmosphere of HAT-P-70b with CARMENES high-resolution transmission spectroscopy
Tianjun Gan, Jaume Orell-Miquel, Fei Yan +19
Owing to hot and inflated envelopes that facilitate atmospheric studies, ultra-hot Jupiters (UHJs) have attracted much attention. Significant progress has been achieved, from enlar…
Tighter constraints on the atmosphere of GJ 436 b from combined high-resolution CARMENES and CRIRES observations
A. Peláez-Torres, A. Sánchez-López, L. Nortmann +23
We aim to study the atmospheric properties of the warm Neptune GJ 436 b by combining a set of five transit events observed with the CARMENES spectrograph with one transit from CRIR…
Multicolour Validation of Two Temperate Mini-Neptunes Around M-dwarf Habitable Zones
Chengzi Jiang, Aleksandra Selezneva, Hannu Parviainen +17
For small planets orbiting within the habitable zones of their host stars, multicolour validation via photometric transit observations offers an efficient alternative to prioritize…
Precise mass and radius determination for two new and one known Neptune-sized planets around G Dwarf hosts
Ilaria Carleo, Grzegorz Nowak, Felipe Murgas +56
As part of the KESPRINT collaboration, we present the discovery and characterization of three exoplanets in the sub-Neptune to super-Neptune regime, spanning key regions of the exo…
Upper limits on atmospheric abundances of KELT-11b and WASP-69b from a retrieval approach
F. Lesjak, L. Nortmann, D. Cont +18
WASP-69b and KELT-11b are two low-density hot Jupiters, which are expected to show strong atmospheric features in their transmission spectra. Such features offer valuable insights…
HET/HPF observations of Helium in warm, hot, and ultra-hot Jupiters
Jaume Orell-Miquel, Kyra Sampson, Caroline V. Morley +5
The near-infrared helium triplet line is a powerful tool for studying atmospheric escape processes of close-in exoplanets, especially irradiated gas giants. Line profile fitting pr…
TOI-1438: A rare system with two short-period sub-Neptunes and a tentative long-period Jupiter-like planet orbiting a K0V star
Carina M. Persson, Emil Knudstrup, Ilaria Carleo +44
We present the detection and characterisation of the TOI-1438 multi-planet system discovered by TESS. We collected a series of follow-up observations including high-spectral resolu…
Discovery of a transiting hot water-world candidate orbiting Ross 176 with TESS and CARMENES
S. Geraldía-González, J. Orell-Miquel, E. Pallé +30
The case of Ross 176 is a late K-type star that hosts a promising water-world candidate planet. The star has a radius of =0.5690.020 and a mass of …
The mass of the exo-Venus Gliese 12 b, as revealed by HARPS-N, ESPRESSO, and CARMENES
Daisy A. Turner, Yoshi Nike Emilia Eschen, Felipe Murgas +60
Small temperate planets are prime targets for exoplanet studies due to their possible similarities with the rocky planets in the Solar System. M dwarfs are promising hosts since th…
A transiting rocky super-Earth and a non-transiting sub-Neptune orbiting the M dwarf TOI-771
G. Lacedelli, E. Pallé, Y. T. Davis +24
The origin and evolution of the sub-Neptune population is a highly debated topic in the exoplanet community. With the advent of JWST, atmospheric studies can now put unprecedented…
Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b. Detection of Fe and CO emission lines and evidence for inefficient heat transport
D. Cont, L. Nortmann, F. Lesjak +32
The ultra-hot Jupiter (UHJ) TOI-2109b marks the lower edge of the equilibrium temperature gap between 3500 K and 4500 K, an unexplored thermal regime that separates KELT-9b, the ho…
Exploring the atmosphere of GJ 1132 b with CRIRES+
E. Palle, F. Yan, G. Morello +8
With a mass, radius, and mean density similar to Earth's, the rocky planet GJ 1132 b is the first truly small planet for which an atmosphere detection was proposed. If confirmed, u…
TOI-2015b: a sub-Neptune in strong gravitational interaction with an outer non-transiting planet
K. Barkaoui, J. Korth, E. Gaidos +119
TOI-2015 is a known exoplanetary system around an M4 dwarf star, consisting of a transiting sub-Neptune planet in a 3.35-day orbital period, TOI-2015b, accompanied by a non-transit…
Connection between planetary He I 10830 Å absorption and extreme-ultraviolet emission of planet-host stars
J. Sanz-Forcada, M. López-Puertas, M. Lampón +13
Context. The detection of the He I 10830 A triplet in exoplanet atmospheres has opened a new window for probing planetary properties, including atmospheric escape. Unlike Lyman alp…
HD 119130 b is not an "ultra-dense" sub-Neptune
Joseph M. Akana Murphy, Rafael Luque, Natalie M. Batalha +13
We present a revised mass measurement for HD 119130 b (aka K2-292 b), a transiting planet ( days, ) orbiting a chro…
Validation of up to seven TESS planet candidates through multi-colour transit photometry using MuSCAT2 data
A. Peláez-Torres, E. Esparza-Borges, E. Pallé +62
The TESS mission searches for transiting exoplanets by monitoring the brightness of hundreds of thousands of stars across the entire sky. M-type planet hosts are ideal targets for…
TOI-2458 b: A mini-Neptune consistent with in situ hot Jupiter formation
Ján Šubjak, Davide Gandolfi, Elisa Goffo +33
We report on the discovery and spectroscopic confirmation of TOI-2458 b, a transiting mini-Neptune around an F-type star leaving the main-sequence with a mass of $M_\star=1.05 \pm…