Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.naic.edu/vscience/schedule/tpfiles/PustilniktagA2674tp.pdf Дата изменения: Thu Oct 13 17:32:23 2011 Дата индексирования: Mon Feb 4 23:57:29 2013 Кодировка:

Proposal Identification No.:

A2674

Date Received:

2011-Oct-03 18:02:44

Technical Page
Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 25 Hours 1 hour

The faint LSB galaxy population in the nearby Lynx-Cancer void

Dwarf galaxies in voids, where galaxy properties should be well preserved,are the best for studies of the mass function and the total number density of low-mass galaxies, which can be compared with cosmological galaxy formation model predictions. The large voids studied are distant, however, and can only be probed down to galaxy luminosities of L /50. To go much deeper, we constructed a sample down to L /8000 (MB =­12) of 80 galaxies with known redshifts in the nearby Lynx-Cancer void (D=18 Mpc), 4 of which we found through NRT HI and BTA H-alpha observations. As a pilot program for Arecibo, we selected a hundred faint (B =18.5­19.5) candidate Lynx-Cancer void LSB galaxies without known redshifts, which if they reside in this void, have MB =­12 to ­14 mag. These data will improve our knowledge of the properties of the faintest void galaxies.

Name Simon A. Pustilnik

Institution Special Astrophysical Observatory of RAS, Nizhnij Arkhyz,KarachaiCircassia 369167, Russia

E-mail simon.pustilnik@gmail.com

Phone +78782293385

Student no

Remote Observing Request

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

Instrument Setup
ALFA Atmospheric Observation Instruments: 1


Sp ecial Equipment or setup:

none

RFI Considerations Frequency Ranges Planned
1350-1430 This proposal requires coordination with Punta Salinas radar within the band 1222-1381 MHz..

2