Time-resolved observations of Jupiter's far-ultraviolet aurora

被引：71

作者：

Ballester, GE

Clarke, JT

Trauger, JT

Harris, WM

Stapelfeldt, KR

Crisp, D

Evans, RW

Burgh, EB

Burrows, CJ

Casertano, S

Gallagher, JS

Griffiths, RE

Hester, JJ

Hoessel, JG

Holtzman, JA

Krist, JE

Meadows, V

Mould, JR

Sahai, R

Scowen, PA

Watson, AM

Westphal, JA

机构：

[1] CALTECH,JET PROP LAB,PASADENA,CA 91109

[2] UNIV WISCONSIN,DEPT ASTRON,MADISON,WI 53706

[3] JOHNS HOPKINS UNIV,DEPT PHYS & ASTRON,BALTIMORE,MD 21218

[4] SPACE TELESCOPE SCI INST,BALTIMORE,MD 21218

[5] ARIZONA STATE UNIV,DEPT ASTRON,TEMPE,AZ 85287

[6] NEW MEXICO STATE UNIV,DEPT ASTRON,LAS CRUCES,NM 88003

[7] AUSTRALIAN NATL UNIV,MT STROMLO & SIDING SPRING OBSERV,WESTON,ACT 2611,AUSTRALIA

[8] CALTECH,DIV GEOL & PLANETARY SCI,PASADENA,CA 91125

来源：

SCIENCE | 1996年 / 274卷 / 5286期

关键词：

D O I：

10.1126/science.274.5286.409

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Simultaneous imaging and spectroscopic observations of Jupiter's far-ultraviolet aurora covering half a jovian rotation were made on 31 May 1994, The Hubble Space Telescope Wide Field Planetary Camera 2 images revealed dramatic and rapidly changing auroral features, including discrete longitudinal structures along the auroral ovals, with variable contrast; a poleward offset in a north oval sector, showing equatorward motion near dusk; emissions polewards of the ovals, apparently co-rotating; and a bright event developing near the dawn limb. Viewing geometry effects explain the rotational intensity modulation observed by the International Ultraviolet Explorer, without intrinsic longitudinal asymmetries.

引用

页码：409 / 413

页数：5

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