Optical constants of exoplanet haze analogs from 0.3 to 30 µm: Comparative sensitivity between spectrophotometry and ellipsometry

T Drant, E Garcia-Caurel, Z Perrin… - Astronomy & …, 2024 - aanda.org
We report new optical constants (refractive index, n, and extinction coefficient, k) for
exoplanet haze analogs from 0.3 to 30 µm. The samples were produced in a simulated N 2 …

On the emergence of autonomous chemical systems through dissipation kinetics

A Pross, R Pascal - Life, 2023 - mdpi.com
This work addresses the kinetic requirements for compensating the entropic cost of self-
organization and natural selection, thereby revealing a fundamental principle in biology …

Optical constants of Pluto aerosol analogues from UV to near-IR

L Jovanović, T Gautier, L Broch, S Protopapa… - Icarus, 2021 - Elsevier
Photochemical aerosols were detected as high as 350 km of altitude in Pluto's atmosphere
during the New Horizons fly-by. These aerosols are thought to affect Pluto's climate, by …

H2SO4 and organosulfur compounds in laboratory analogue aerosols of warm high-metallicity exoplanet atmospheres

V Vuitton, SE Moran, C He, C Wolters… - The Planetary …, 2021 - iopscience.iop.org
Recent transit spectra suggest organic aerosol formation in the atmosphere of sub-
Neptunes. Sulfur gases are expected to be present in warm exoplanet atmospheres with …

Volatile transport modeling on Triton with new observational constraints

T Bertrand, E Lellouch, BJ Holler, LA Young, B Schmitt… - Icarus, 2022 - Elsevier
Neptune's moon Triton shares many similarities with Pluto, including volatile cycles of N 2,
CH 4 and CO, and represents a benchmark case for the study of surface-atmosphere …

Pluto's atmosphere observations with ALMA: Spatially-resolved maps of CO and HCN emission and first detection of HNC

E Lellouch, B Butler, R Moreno, M Gurwell, P Lavvas… - Icarus, 2022 - Elsevier
Pluto exhibits a tenuous, predominantly N 2-CH 4 atmosphere, with Titan-like chemistry.
Previous observations with ALMA have permitted the detection of CO and HCN at 345.796 …

Characteristics of Pluto's haze and surface from an analytic radiative transfer model

JH Hillier, BJ Buratti, JD Hofgartner… - The Planetary …, 2021 - iopscience.iop.org
Abstract Observations of Pluto from New Horizons have been combined with previous
ground-based observations and fit to a radiative transfer model based on Chandrasekhar's …

Triton haze analogs: The role of carbon monoxide in haze formation

SE Moran, SM Hörst, C He, MJ Radke… - Journal of …, 2022 - Wiley Online Library
Triton is the largest moon of the Neptune system and possesses a thin nitrogen atmosphere
with trace amounts of carbon monoxide and methane, making it of similar composition to that …

First optical constants of laboratory-generated organic refractory materials (tholins) produced in the NASA Ames COSmIC facility from the visible to the near infrared …

E Sciamma-O'Brien, TL Roush, P Rannou… - The Planetary …, 2023 - iopscience.iop.org
We have measured the complex refractive indices, from 0.4 to 1.6 μm, of five laboratory-
generated organic refractory materials (tholins) produced at low temperature (150 K) using …

Testing tholins as analogues of the dark reddish material covering Pluto's Cthulhu region

M Fayolle, E Quirico, B Schmitt, L Jovanovic, T Gautier… - Icarus, 2021 - Elsevier
Pluto's fly-by by the New Horizons spacecraft in July 2015 has revealed a dark reddish
equatorial region, named Cthulhu, covered by a dark, non-icy material whose origin and …