FAR-INFRARED OBSERVATIONS OF NIGHT SKY

被引：15

作者：

HOUCK, JR

HARWIT, M

机构：

[1] Cornell-Syndey University Astronomy Center, Ithaca

来源：

SCIENCE | 1969年 / 164卷 / 3885期

关键词：

D O I：

10.1126/science.164.3885.1271

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：

We have flown a telescope cooled to liquid-helium temperatures and made far-infrared observations of the night sky. A gallium-doped germanium detector, sensitive from 5.2 to 130 micrometers, detected a minimum signal of 10 -9 watt per square centimeter per steradian referred to 100 micrometers. The origin of this signal can be instrumental, atmospheric, interplanetary, or interstellar. We can place a firm upper limit on the color temperature of a dilute cosmic background flux.

引用

页码：1271 / &

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