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Proposal Identification No.:

A2665

Date Received:

2011-Oct-03 17:02:24

Technical Page
Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 57 Hours 8 - 16 LST for 6 days

HI content of low mass star forming dwarf galaxies.

HI gas is usually associated with blue star forming galaxies. However, in a less sensitive targeted HI survey (NIBLES), 109 blue star forming dwarf galaxies were undetected in HI. Most of these galaxies contain large H emission, have a very blue color (SDSS u-z magnitude less than 2) and therefore should have a large reservoir of HI gas as well. Follow up observations of these galaxies could provide interesting clues to the dynamics of star formation and galaxy evolution in these systems as well as provide greater statistics for a more accurate determination of the slope of the HIMF below 108 M .

Name Zhon Butcher

Institution University of Massachusetts - Amherst

E-mail zbutcher@astro.umass.edu

Phone

Student G

Remote Observing Request

X

Observer will travel to AO Remote Observing In Absentia (instructions to operator)

Instrument Setup
L-wide Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none

RFI Considerations

1


Frequency Ranges Planned

2