NCSA Astronomy Digital Image Library
Project Abstract and Description

VLA observations of 21 centimeter H I absorption toward Cassiopeia A

John H. Bieging, W. Miller Goss, and Eric M. Wilcots

Contact: John Bieging
Email: jbieging@as.arizona.edu

Number of images in project: 1

References: 1991ApJS...75..999B

Abstract

A cube in R.A. - Dec. - VLSR space of the neutral atomic hydrogen 21 cm line optical depth over the LSR velocity range -57 to -27 km/s, which covers the Perseus spiral arm absorption feature. The cube contains 48 velocity channels, each 0.6 km/s wide.

For more information on this study, please see the following reference: Bieging, Goss, & Wilcots 1991, ApjS, 75, 999. The image and related TeX file come from the NRAO CDROM "Images From the Radio Universe" (c. 1992 National Radio Astronomy Observatory, used with permission).

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