The chemical composition of impact craters on Titan: I. Implications for exogenic processing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41330%2F20%3A82261" target="_blank" >RIV/60460709:41330/20:82261 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.aanda.org/articles/aa/abs/2020/09/aa37866-20/aa37866-20.html" target="_blank" >https://www.aanda.org/articles/aa/abs/2020/09/aa37866-20/aa37866-20.html</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/0004-6361/202037866" target="_blank" >10.1051/0004-6361/202037866</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The chemical composition of impact craters on Titan: I. Implications for exogenic processing

Popis výsledku v původním jazyce

We investigate the spectral behavior of nine Titan impact craters in order to constrain their composition. Past studies that have examined the chemical composition of impact craters on Titan have either used qualitative comparisons between craters or combined all craters into a single unit, rather than separating them by geographic location and/or degradation state. Here, we use Visual and Infrared Mapping Spectrometer (VIMS) data and a radiative transfer code to estimate the atmospheric contribution to the data, extract the surface albedos of the impact craters, and constrain their composition by using a library of candidate Titan materials, including essentially water ice, tholin, a dark component, and other possible ices at different grain sizes. Following a general characterization of the impact craters, we study two impact crater subunits, the crater floor and the ejecta blanket. The results show that the equatorial dune craters-Selk, Ksa, Guabonito, and the crater on Santorini Facula-appear to

Název v anglickém jazyce

The chemical composition of impact craters on Titan: I. Implications for exogenic processing

Popis výsledku anglicky

We investigate the spectral behavior of nine Titan impact craters in order to constrain their composition. Past studies that have examined the chemical composition of impact craters on Titan have either used qualitative comparisons between craters or combined all craters into a single unit, rather than separating them by geographic location and/or degradation state. Here, we use Visual and Infrared Mapping Spectrometer (VIMS) data and a radiative transfer code to estimate the atmospheric contribution to the data, extract the surface albedos of the impact craters, and constrain their composition by using a library of candidate Titan materials, including essentially water ice, tholin, a dark component, and other possible ices at different grain sizes. Following a general characterization of the impact craters, we study two impact crater subunits, the crater floor and the ejecta blanket. The results show that the equatorial dune craters-Selk, Ksa, Guabonito, and the crater on Santorini Facula-appear to

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

<a href="/cs/project/GJ20-27624Y" target="_blank" >GJ20-27624Y: SyntetiCká a srovnávací Hydrologie zEmě, MArsu a TitAnu (SCHEMATA)</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ASTRONOMY & ASTROPHYSICS

ISSN

0004-6361

e-ISSN

1432-0746

Svazek periodika

641

Číslo periodika v rámci svazku

A16

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

14

Strana od-do

1-14

Kód UT WoS článku

000571554300004

EID výsledku v databázi Scopus

2-s2.0-85091334645