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Proposal Identification No.:

A2004

Date Received: 2004 -Sep-30 12:45:57

Technical Page
Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Commensal Astronomy Spectroscopy Galactic 28 Hours

An Initial HI Survey of the Taurus Region

We propose to carry out a high spectral resolution survey of a 60 square degree region of the Taurus Molecular Cloud. This will provide an essential, and heretofore nonexistent data set for comparing the distributions of atomic and molecular material in this nearby low-mass star forming region. This comparison is fundamental for determining the ages of molecular clouds and the overall time scale for star formation and tracing the relationship between atomic and molecular gas, and whether, for example, it is plausible that the molecular clouds in this region were formed by shock compression of the atomic gas. Our HI maps will be compared with similar maps of 12CO and 13CO already obtained. The HI Taurus data will be obtained with the GALFA specctrometer working with the ALFA front end, while the WAPP system will be used for commensal observations of external galaxies in this direction whose detection is hampered by the large visual extinction in this direction.

Name Paul F Goldsmith

Institution Cornell

E-mail pfg@astro.cornell.edu

Phone 607 255-0606

Student no

Service Observing Request

Remot e Observing Request

None All of the observing run. X Part of the observing run. Queue Observing X

No Maybe Yes

Instrument Setup
ALFA Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none

RFI Considerations
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Frequency Ranges Planned
1330-1430 This proposal requires coordination with Punta Salinas radar within the band 1222-1381 MHz.. This proposal requires coordination with GPS L3 at 1381 MHz.

2