THE 1ST SPECTROPOLARIMETRIC STUDY OF THE WAVELENGTH DEPENDENCE OF INTERSTELLAR POLARIZATION IN THE ULTRAVIOLET

被引：63

作者：

CLAYTON, GC ^{[1
]}

ANDERSON, CM ^{[1
]}

MAGALHAES, AM ^{[1
]}

CODE, AD ^{[1
]}

NORDSIECK, KH ^{[1
]}

MEADE, MR ^{[1
]}

WOLFF, MJ ^{[1
]}

BABLER, B ^{[1
]}

BJORKMAN, KS ^{[1
]}

SCHULTELADBECK, RE ^{[1
]}

TAYLOR, MJ ^{[1
]}

WHITNEY, BA ^{[1
]}

机构：

[1] UNIV WISCONSIN,SPACE ASTRON LAB,MADISON,WI 53706

来源：

ASTROPHYSICAL JOURNAL | 1992年 / 385卷 / 02期

关键词：

DUST; EXTINCTION; POLARIZATION; ULTRAVIOLET; INTERSTELLAR;

D O I：

10.1086/186276

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The first ultraviolet spectropolarimetry along six lines of sight with significant interstellar polarization is reported. The observations were obtained with the Wisconsin. Ultraviolet Photo-Polarimeter Experiment (WUPPE) during the Astro-1 mission. HD 37903, HD 62542 and HD 99264 show a wavelength dependence which follows the Scrkowski relation extrapolated into the ultraviolet. HD 25443 and alpha-Cam have UV polarization well in excess of the Scrkowski extrapolation. HD 197770 clearly shows a polarization bump which closely matches the 2175 angstrom extinction feature. This bump polarization can be fitted by small aligned graphite disks. The differences along various lines of sight might be the result of differences in the environments which affect the size and alignment of the grains.

引用

页码：L53 / L57

页数：5

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[1] THE 1ST ULTRAVIOLET SPECTROPOLARIMETRIC STUDY OF NGC-1068
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