A full-sky Hα template for microwave foreground prediction

被引：439

作者：

Finkbeiner, DP ^{[1
]}

机构：

[1] Princeton Univ, Dept Astrophys, Princeton, NJ 08544 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2003年 / 146卷 / 02期

关键词：

dust; extinction; HII regions; ISM : clouds;

D O I：

10.1086/374411

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A full-sky Ha map with 6' (FWHM) resolution is presented. This map is a composite of the Virginia Tech Spectral line Survey (VTSS) in the north and the Southern H-Alpha Sky Survey Atlas (SHASSA) in the south. The Wisconsin H-Alpha Mapper (WHAM) survey provides a stable zero point over 3/4 of the sky on a 1degrees scale. This composite map can be used to provide limits on thermal bremsstrahlung (free-free emission) from ionized gas known to contaminate microwave-background data. The map is available on the World Wide Web for public use.

引用

页码：407 / 415

页数：9

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