A population of cold cores in the Galactic plane

被引：362

作者：

Egan, MP

Shipman, RF

Price, SD

Carey, SJ

Clark, FO

Cohen, M

机构：

[1] USAF, Res Lab, VSBC, Hanscom AFB, MA 01731 USA

[2] Univ Calif Berkeley, Radio Astron Lab, Berkeley, CA 94720 USA

来源：

ASTROPHYSICAL JOURNAL | 1998年 / 494卷 / 02期

关键词：

dust; extinction; Galaxy; center; infrared; general; ISM; continuum; clouds;

D O I：

10.1086/311198

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recent observations by the Midcourse Space Experiment (MSX) have revealed the presence of compact objects seen in absorption against bright mid-infrared emission from the Galactic plane. Examination of MSX and IRAS images of these objects reveal that they an dark from 7 to 100 mu m. We find similar to 2000 clouds in a 1 degrees x 180 degrees scan along the Galactic equator. The data suggest these objects are dense (n > 10(5) cm(-3)), cold (T < 20 K) cores, without accompanying envelopes.

引用

页码：L199 / +

页数：5

共 16 条

[1]

ABERGEL A, 1996, ASTRON ASTROPHYS, V315, P329

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