Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.naic.edu/vscience/schedule/tpfiles/BlantontagA2046tp.pdf Дата изменения: Sat Jun 18 09:06:27 2005 Дата индексирования: Sat Dec 22 23:17:31 2007 Кодировка: Поисковые слова: http astrokuban.info astrokuban

Proposal Identification No.:

A2046

Date Received:

2005-Feb-01 14:22:08

Technical Page
Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 65 Hours

HI content and dynamics of low luminosity galaxies

We prop ose HI sp ectroscopy for a large, homogeneous sample of extremely low luminosity galaxies (-12 >Mr - 5 log h >-15) selected from the Sloan Digital Sky Survey (SDSS). The dwarfs in our sample are very faint: the most luminous galaxy is 20% the luminosity of the Small Magellanic Cloud. Because our sample has carefully measured optical images and sp ectra, we will explore how neutral gas and dynamical masses relate to stellar masses, star-formation rates, metallicities, and environments. The prop osed observations will improve over existing data sets, b ecause it is homogeneously selected using simple criteria and the optical prop erties are already well understo o d. We are obtaining Halpha rotation curves for a large fraction of this sample, which will complement the HI measurements of the galaxy dynamics.

Name Michael R Blanton

Institution New York University

E-mail blanton@nyu.edu

Phone 212-992-8791

Student no

Service Observing Request

Remot e Observing Request

X

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

No Maybe Yes

Instrument Setup
L-wide Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none

RFI Considerations
1


Frequency Ranges Planned
1400 - 1440

2