f irst i nner s olar s ystem r esults f rom t he p an -starrs 1 t elescope richard wainscoat...
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FIRST INNER SOLAR SYSTEM RESULTSFROM THE
PAN-STARRS 1 TELESCOPE
Richard WainscoatUniversity of Hawaii, Institute for Astronomy
for the PS1 Science Consortium
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FIRST INNER SOLAR SYSTEM RESULTSFROM THE
PAN-STARRS 1 TELESCOPE
Robert JedickeUniversity of Hawaii, Institute for Astronomy
for the PS1 Science Consortium
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FIRST INNER SOLAR SYSTEM RESULTS FROM THEPAN-STARRS 1 TELESCOPE
2007
FIRST INNER SOLAR SYSTEM RESULTS FROM THEPAN-STARRS 1 TELESCOPE
2008
FIRST INNER SOLAR SYSTEM RESULTS FROM THEPAN-STARRS 1 TELESCOPE
2009
FIRST INNER SOLAR SYSTEM RESULTS FROM THEPAN-STARRS 1 TELESCOPE
2010
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PS4
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PS1prototype
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3PI SURVEYING(original)
1st nighttracklet
r
2nd nighttracklet
g
3rd nighttracklet
i
TRACKsingle lunation
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3PI SURVEYING(original)
FIRST LUNATION SECOND LUNATION
= 12 detections per derived object
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REPORTED DETECTIONS
>100 NEOs
>70K
Other
Stuff
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REPORTED DETECTIONS
Heliocentric x (AU)
Hel
ioce
ntric
y (A
U)
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PROBLEMS
• Too few new derived objects• No NEOs discovered
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Camera Fill Factor
80%
physical
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Camera Fill Factor
70%
overall
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False Detections
2-100XHIGH
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TRACKLET DETECTION EFFICIENCY
Vlim ≈21.5 (gri)≈67% efficiency
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3PI SURVEYING(modified)
TRACKin a single lunation= 12 detections per derived object
1st night3-4 detection
tracklet
r gi
4th nighttracklet
3rd nighttracklet
r
2nd night3-4 detection
tracklet
ig
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TRACKin a single lunation= 12 detections per derived object
1st night3-4 detection
tracklet
r gi
4th nighttracklet
3rd nighttracklet
r
2nd night3-4 detection
tracklet
ig
3PI SURVEYING(modified)
3-4 detectiontracklet
w w
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2010 ST3ch
ip g
apch
ip g
ap
chip
gap
chip
gap
removed by air force
removed by air force
removed by air force
rem
oved
by
air f
orce
removed by air force
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ST3 ORBIT & DISCOVERY
CIRCUMSTANCES
@ Discovery≈0.1 AUV≈22
CharacteristicsH≈25 or D≈60m
MOID≈0.04AU
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2NEO disc
overies t
o date
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WISE
#1LINEAR
#2
CSSG96
#3
CSS703
#4 Spacewatch
#5PS1F51
#62010 OBSERVATIONS
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WISE LINEAR
CSSG96 CSS
703
Spacewatch
PS1F51
#1 #2
#3#4
#6
#5
2010 NUMBERED OBJECTS
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PS1F51
#4
WISE
LINEAR
CSSG96
CSS703
Spacewatch
#1
#6
#2
#5
#32010 UN-NUMBERED OBJECTS
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Funding provided by:Air Force Research LaboratoryPS1 Science ConsortiumNASA NEOO Program