MEASUREMENT OF THE COSMIC MICROWAVE BACKGROUND SPECTRUM BY THE COBE FIRAS INSTRUMENT

被引：650

作者：

MATHER, JC

CHENG, ES

COTTINGHAM, DA

EPLEE, RE

FIXSEN, DJ

HEWAGAMA, T

ISAACMAN, RB

JENSEN, KA

MEYER, SS

NOERDLINGER, PD

READ, SM

ROSEN, LP

SHAFER, RA

WRIGHT, EL

BENNETT, CL

BOGGESS, NW

HAUSER, MG

KELSALL, T

MOSELEY, SH

SILVERBERG, RF

SMOOT, GF

WEISS, R

WILKINSON, DT

机构：

[1] NASA, GODDARD SPACE FLIGHT CTR, UNIV SPACE RES ASSOC, GREENBELT, MD 20771 USA

[2] NASA, GODDARD SPACE FLIGHT CTR, GEN SCI CORP, GREENBELT, MD 20771 USA

[3] NASA, GODDARD SPACE FLIGHT CTR, APPL RES CORP, GREENBELT, MD 20771 USA

[4] NASA, GODDARD SPACE FLIGHT CTR, HUGHES STX, GREENBELT, MD 20771 USA

[5] MIT, DEPT PHYS, CAMBRIDGE, MA 02139 USA

[6] UNIV CALIF LOS ANGELES, DEPT ASTRON, LOS ANGELES, CA 90024 USA

[7] UNIV CALIF BERKELEY, LBL, SSL, BERKELEY, CA 94720 USA

[8] PRINCETON UNIV, DEPT PHYS, PRINCETON, NJ 08540 USA

来源：

ASTROPHYSICAL JOURNAL | 1994年 / 420卷 / 02期

关键词：

COSMIC MICROWAVE BACKGROUND; COSMOLOGY; OBSERVATIONS; EARLY UNIVERSE;

D O I：

10.1086/173574

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The cosmic microwave background radiation (CMBR) has a blackbody spectrum within 3.4x10(-8) ergs cm(-2)s(-1)sr(-1) cm over the frequency range from 2 to 20 cm(-1) (5-0.5 mm). These measurements, derived sr from the FIRAS instrument on the COBE satellite, imply stringent limits on energy release in the early universe after t similar to 1 year and redshift z similar to 3x10(6). The deviations are less than 0.03% of the peak brightness, with an rms value of 0.01%, and the dimensionless cosmological distortion parameters are limited to y <2.5x10(-5) and mu <3.3x10(-4) (95% confidence level). The temperature of the CMBR is 2.726+/-0.010 K (95% confidence level systematic).

引用

页码：439 / 444

页数：6

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