Effects of dust layers on thermal emission from airless bodies
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DOI[10.1186/s40645-019-0291-0]to the data of the same series
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- Material Type
- 記事
- Author/Editor
- Jens BieleEkkehard KührtHiroki Senshu
- Publication, Distribution, etc.
- Publication Date
- 2019-07-08
- Publication Date (W3CDTF)
- 2019-07-08
- Periodical title
- Progress in earth and planetary science
- No. or year of volume/issue
- 6(48）
- Volume
- 6(48）
- ISSN (Periodical Title)
- 2197-4284
- ISSN-L (Periodical Title)
- 2197-4284
- Text Language Code
- eng
- DOI
- 10.1186/s40645-019-0291-0
- Persistent ID (NDL)
- info:ndljp/pid/11340147
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2019-08-15T21:28:38+09:00
- Date Captured (W3CDTF)
- 2019-08-15
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11249488
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- We have investigated the influence of thin thermally opaque dust layers on the thermal emission of rocks and regolith and determined the thermal response of these dust-covered surfaces to diurnal insolation cycles. Results are computed for Hayabusa2's target asteroid (162173) Ryugu, which was observed by thermal infrared instruments on the orbiter and in situ. We show that even a very thin (10..100 mu m) fine-grained porous dust layer with thermal inertia of 25Jm(-2)K(-1)s(-1/2) can have a significant influence on surface temperatures and alter the apparent thermal inertia of the underlying material derived under the simplified assumption of a homogenous half space by more than 20%. The masking of the underlying material is complete at about 1 diurnal skin depth, corresponding to 10mm on Ryugu. Between 0.1 and 1 diurnal skin depths, we find a thermal lag smaller than what would be predicted for a surface consisting of dust only.If a dust cover were present on Ryugu, this should be clearly visible in the data returned by the orbiter's thermal infrared imager (TIR) and the MASCOT lander's radiometer (MARA), which observed a single boulder at the landing site. However, this appears not to be the case, and dust seems to play a minor role in the thermal emission from the asteroid.
- DOI
- 10.1186/s40645-019-0291-0
- Access Restrictions
- インターネット公開
- Rights (production)
- © The Author(s). 2019.This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- Related Material
- Effects of dust layers on thermal emission from airless bodies
- Related Material (URI)
- Is Referenced By
- Thermophysical properties of the surface of asteroid 162173 Ryugu: Infrared observations and thermal inertia mappingMid-infrared emissivity of partially dehydrated asteroid (162173) Ryugu shows strong signs of aqueous alterationMASCOT’s in situ analysis of asteroid Ryugu in the context of regolith samples and remote sensing data returned by Hayabusa2The MASCOT lander aboard Hayabusa2: The in-situ exploration of NEA (162173) RyuguComparison of optical spectra between asteroids Ryugu and Bennu: II. High-precision analysis for space weathering trendsAnomalously porous boulders on (162173) Ryugu as primordial materials from its parent bodySpectrophotometric Properties of 162173 Ryugu’s Surface from the NIRS3 Opposition ObservationsHighly porous nature of a primitive asteroid revealed by thermal imagingThe MMX rover : performing in situ surface investigations on Phobos
- References
- International regolith science group (IRSG) in Hayabusa2 project, asteroid ryugu before the hayabusa2 encounterHayabusa2 Mission OverviewThe Camera of the MASCOT Asteroid Lander on Board Hayabusa 2A new look at the statistical model identificationGlobal Regolith Thermophysical Properties of the Moon From the Diviner Lunar Radiometer ExperimentA Time-Dependent Model of Radiative and Conductive Thermal Energy Transport in Planetary Regoliths with Applications to the Moon and MercuryThermal conductivity model for powdered materials under vacuum based on experimental studiesHayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu—A spinning top–shaped rubble pileThermal fatigue as the origin of regolith on small asteroidsThe thermal conductivity of meteorites: New measurements and analysisThe significance of meteorite density and porosityThermal and albedo mapping of the polar regions of Mars using Viking thermal mapper observations: 1. North polar regionThermophysical properties along Curiosity's traverse in Gale crater, Mars, derived from the REMS ground temperature sensorMars surface thermal inertia and heterogeneities from OMEGA/MEXMicro-meteoroid seismic uplift and regolith concentration on kilometric scale asteroidsMASCOT—The Mobile Asteroid Surface Scout Onboard the Hayabusa2 MissionDust Phenomena Relating to Airless BodiesThe geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processesLow thermal conductivity boulder with high porosity identified on C-type asteroid (162173) RyuguStony meteorite thermal properties and their relationship with meteorite chemical and physical statesThe Thermophysical Properties of the Bagnold Dunes, Mars: Ground‐Truthing Orbital DataA thermal model of the Martian satellitesBright and dark regions on Mars: Particle size and mineralogical characteristics based on Thermal Emission Spectrometer dataThermophysical modelling for high-resolution digital terrain modelsScaling forces to asteroid surfaces: The role of cohesionApparent thermal inertia and the surface heterogeneity of MarsThe effects of nonideal surfaces on the derived thermal properties of MarsLunar equatorial surface temperatures and regolith properties from the Diviner Lunar Radiometer ExperimentMicrowave Imaging of Mercury's Thermal Emission at Wavelengths from 0.3 to 20.5 cmThe porosity of the upper lunar regolithTHERMAL TOMOGRAPHY OF ASTEROID SURFACE STRUCTURENear-Surface Temperatures on Mercury and the Moon and the Stability of Polar Ice DepositsDaily temperature variations on MarsThe presence and stability of ground ice in the southern hemisphere of Mars
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース学術機関リポジトリデータベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 11340147
- NAID
- 120006708273