DEPENDENCE OF GALAXY PROPERTIES ON VIEWING ANGLE

被引:80
作者
BURSTEIN, D
HAYNES, MP
FABER, SM
机构
[1] UNIV CALIF SANTA CRUZ,LICK OBSERV,SANTA CRUZ,CA 95064
[2] CORNELL UNIV,NATL ASTRON & IONOSPHERE CTR,ITHACA,NY 14853
[3] CORNELL UNIV,CTR RADIOPHYS & SPACE RES,ITHACA,NY 14853
关键词
D O I
10.1038/353515a0
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
Galaxies are three-dimensional objects projected onto the sky at random angles of inclination. Deduction of their true structure from their appearance requires an understanding of the variation of their apparent diameter, luminosity and surface brightness with viewing angle. But these variations in turn depend on galactic structure. It has taken astronomers several decades to realize that only with a direct knowledge of galactic distances can these two effects be disentangled.
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页码:515 / 521
页数:7
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