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Дата изменения: Thu Aug 10 18:50:52 2006
Дата индексирования: Sat Dec 22 21:17:56 2007
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Поисковые слова: hst
Proposal Identification No.:

P2113

Date Received: 2005 -Jun-01 17:32:14

Technical Page
Proposal Type: General Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Pulsars Extragalactic 37.5 Hours

An L-band (ALFA) Search for Giant Pulses from M33

We propose to conduct a systematic search of the M33 galaxy with ALFA for potential bright giant pulses from Crab-like pulsars. We will exploit ALFA's multibeam capability for both large instantaneous coverage as well as efficient identification and elimination of false positives that may result from sporadic radio-frequency interference (RFI). The ALFA system, with its high sensitivity and wide-bandwidth, will be capable of detecting bright giant pulses (GPs) from Crab-like pulsars in M33 (for instance, Crab GPs of peak flux densities 2 в 104 Jy are detectable with S/N 5 at M33's distance). In addition to important science goals that will be enabled by the potential discoveries of pulsars in the galaxy (e.g. studies of pulsar population and ISM in the galaxy, and probing the IGM), the algorithms and methodology that we develop will also be applicable to science planned with next-generation radio arrays (including the SKA), particularly searching for fast transients in the radio sky.

Name Ramesh Bhat

Institution MIT/Haystack

E-mail rbhat@haystack.mit.edu

Phone 781-981-5512

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
ALFA Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none

RFI Considerations
1


Frequency Ranges Planned
1400 - 1550 MHz This proposal requires coordination with Punta Salinas radar within the band 1222-1381 MHz.. This proposal requires coordination with GPS L3 at 1381 MHz.

2