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Proposal Identication No.: R1261 Date Received: 1999-Jan-31 23:27:57
Technical Page
Proposal Type:
General Category: Planetary Radar
Observation Category: Solar System
Total Time Requested: 72 (3x24 hrs) Hours
Proposal Title: High-Resolution UHF Radar Search for Interstellar Particle Source(s).
ABSTRACT:
Observations to date have yielded 3 apparently interstellar particles (ISPs) as determined from hyperbolic
heliocentric orbits that do not come near to the moon or to the major planets. As described in the commentary,
the galactic radiant/orbit of these 3 particles suggest a common source. We propose a series of three 24 hour
observations spaced through the year in an eort to nd more ISPs in both heliocentric retro/prograde orbits and
thus conrm or deny this source which may be associated with the local bubble produced by the Geminga
supernova. It is important that we make these observations soon as the hypothesized source will in a few years at
most become unobservable due to resultant ISP orbits crossing prohibitively near to Jupiter and Saturn. In
addition to the radar observations we propose common-volume, radar IPP-synchronous, photometric observations
of meteors using one of the large lidar mirrors.
Name Institution E-mail Phone Student
John D. Mathews Communications and
Space Sciences Lab-
oratory, Penn State
Un.
JDMathews@psu.edu (814) 865-2354 N
Service Observing Request Remot e Observing Request
X None X No
All of the observing run. Maybe
Part of the observing run. Yes
Queue Observing
Instrument Setup
47 MHz CH 430 MHz CH receiver
Atmospheric Observation Instruments:
Lidar
Description of Observer Equipment: photometer setup ready to attach to the lidar system
1

Special Equipment or setup: Special setup: None Software needs: Media needs: exabyte
RFI Considerations
Frequency Ranges Planned
see proposal
2