Comparison of the COBE FIRAS and DIRBE calibrations

被引：36

作者：

Fixsen, DJ ^{[1
]}

Weiland, JL ^{[1
]}

Brodd, S ^{[1
]}

Hauser, MG ^{[1
]}

Kelsall, T ^{[1
]}

Leisawitz, DT ^{[1
]}

Mather, JC ^{[1
]}

Jensen, KA ^{[1
]}

Shafer, RA ^{[1
]}

Silverberg, RF ^{[1
]}

机构：

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

来源：

ASTROPHYSICAL JOURNAL | 1997年 / 490卷 / 02期

关键词：

cosmic microwave background; infrared; general; instrumentation; photometers;

D O I：

10.1086/304906

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compare the independent FIRAS and DIRBE observations from COBE in the wavelength range of 100-300 mu m. This cross calibration provides checks of both data sets. The results show that the data sets are consistent within the estimated gain and offset uncertainties of the two instruments. They show the possibility of improving the gain and offset determination of DIRBE at 140 and 240 mu m.

引用

页码：482 / 487

页数：6

共 12 条

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