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Proposal Identification No.: A2156 Date Received: 2005­Sep­27 17:52:02
Technical Page
Proposal Type: Regular
General Category: Astronomy
Sub­Category: Spectroscopy
Observation Category: Extragalactic
Total Time Requested: 27 Hours
Proposal Title: An HI Study of Star­Forming Dwarf Galaxies
ABSTRACT:
We propose an HI study of a unique, complete sample of 26 star­forming dwarf galaxies for which we have
unsurpassed multi­wavelength supporting data from visible to mid­infrared wavelengths. Measuring the HI content
will add crucial information regarding the fuel reservoir to our existing knowledge of stellar mass and dust content
in these systems. Specifically, it will characterize the gas­to­dust and gas­to­stars ratios. In addition, we will use
the spectra to measure dynamical masses for the systems in order to better understand the connection between
these local, low­mass systems and the infrared­faint Lyman­Break Galaxies detected by the Spitzer Space Telescope
(Huang et al. 2005).
Name Institution E­mail Phone Student
Jessica L Rosenberg Harvard­
Smithsonian Center
for Astrophysics
jlrosenberg@cfa.harvard.edu 617­496­7740 no
Service Observing Request Remot e Observing Request
X None X No
All of the observing run. Maybe
Part of the observing run. Yes
Queue Observing
Instrument Setup
L­wide
Atmospheric Observation Instruments:
Special Equipment or setup: none
RFI Considerations
1

Frequency Ranges Planned
1420­1309
This proposal requires coordination with Punta Salinas radar within the band 1222­1381 MHz..
This proposal requires coordination with GPS L3 at 1381 MHz.
2