ISO LWS observations of Mars - Detection of rotational modulation in the far infrared

被引：13

作者：

Sidher, SD

Griffin, MJ

Davis, GR

Swinyard, BM

Burgdorf, M

Orton, GS

Rudy, DJ

Encrenaz, T

Lellouch, E

de Graauw, T

机构：

[1] Univ London Queen Mary & Westfield Coll, London E1 4NS, England

[2] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[3] Univ Saskatchewan, Saskatoon, SK, Canada

[4] ISO Data Ctr, Madrid 28080, Spain

[5] CALTECH, Jet Prop Lab, Pasadena, CA USA

[6] Aerospace Corp, El Segundo, CA 90245 USA

[7] Observ Paris, F-92195 Meudon, France

[8] SRON, NL-9747 AD Groningen, Netherlands

来源：

ICARUS | 2000年 / 147卷 / 01期

基金：

美国国家航空航天局; 加拿大自然科学与工程研究理事会;

关键词：

infrared observations; Mars; surface; spectroscopy;

D O I：

10.1006/icar.2000.6436

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A series of far infrared (FIR) spectra of Mars between 43 and 196 mu m was taken with the Long Wavelength Spectrometer (LWS) on board the European Space Agency's Infrared Space Observatory (ISO). Analysis of these medium-resolution data reveals a rotational modulation of the disk-averaged FIR brightness temperature. The observed variability of +/- 1.5% in the LWS wavelength range compares favorably with the predictions of a thermophysical model of the martian surface. A surface emissivity of similar to 0.90 gives good agreement between the measured and the modeled brightness temperatures and leads to an improved estimate of the LWS photometric calibration uncertainty, (C) 2000 Academic Press.

引用

页码：35 / 41

页数：7

共 22 条

[1] Automatic data processing and quality control: experiences from ISO-LWS [J].