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Proposal Identification No.:

A2812

Date Received:

2014-Mar-03 17:07:19

Technical Page
This proposal has been submitted before. The previous proposal number is a2812. Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 216 Hours 1 hour

A Volume-Limited, Complete View of HI in the z=0 Galaxy Population

To build the first truly complete view of the z=0 galaxy population in full environmental context, we propose to measure the HI content of 141 galaxies to complete a 1100-galaxy subvolume of the volume-limited RESOLVE survey. The requested B-semester sample combined with our approved A-semester sample will provide complete statistical coverage of massive halo environments to low-density regimes including coherent large-scale filaments and walls. Unique among local surveys, RESOLVE traces evolutionary processes from dwarf to giant galaxies across well characterized, broadly representative environments. HI data are essential to core RESOLVE science goals: measuring gas fractions, the baryonic mass function, and baryonic mass-velocity relation, all as a function of galaxy properties/environment. These fundamental constraints on galaxy evolution models depend on robust and complete HI data. The resulting volume-limited HI census will have fantastic legacy value and follow-up potential.

Name Sheila J Kannappan

Institution University of North Carolina at Chapel Hill

E-mail sheila@physics.unc.edu

Phone 919-962-3486

Student no

Remote Observing Request

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

Instrument Setup
L-wide

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Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none

RFI Considerations Frequency Ranges Planned
1385 - 1401

2