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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Transcript of F IRST I NNER S OLAR S YSTEM R ESULTS F ROM T HE P AN -STARRS 1 T ELESCOPE Richard Wainscoat...
FIRST INNER SOLAR SYSTEM RESULTSFROM THE
PAN-STARRS 1 TELESCOPE
Richard WainscoatUniversity of Hawaii, Institute for Astronomy
for the PS1 Science Consortium
FIRST INNER SOLAR SYSTEM RESULTSFROM THE
PAN-STARRS 1 TELESCOPE
Robert JedickeUniversity of Hawaii, Institute for Astronomy
for the PS1 Science Consortium
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
PS4
PS1prototype
3PI SURVEYING(original)
1st nighttracklet
r
2nd nighttracklet
g
3rd nighttracklet
i
TRACKsingle lunation
3PI SURVEYING(original)
FIRST LUNATION SECOND LUNATION
= 12 detections per derived object
REPORTED DETECTIONS
>100 NEOs
>70K
Other
Stuff
REPORTED DETECTIONS
Heliocentric x (AU)
Hel
ioce
ntric
y (A
U)
PROBLEMS
• Too few new derived objects• No NEOs discovered
Camera Fill Factor
80%
physical
Camera Fill Factor
70%
overall
False Detections
2-100XHIGH
TRACKLET DETECTION EFFICIENCY
Vlim ≈21.5 (gri)≈67% efficiency
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
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
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
ST3 ORBIT & DISCOVERY
CIRCUMSTANCES
@ Discovery≈0.1 AUV≈22
CharacteristicsH≈25 or D≈60m
MOID≈0.04AU
2NEO disc
overies t
o date
WISE
#1LINEAR
#2
CSSG96
#3
CSS703
#4 Spacewatch
#5PS1F51
#62010 OBSERVATIONS
WISE LINEAR
CSSG96 CSS
703
Spacewatch
PS1F51
#1 #2
#3#4
#6
#5
2010 NUMBERED OBJECTS
PS1F51
#4
WISE
LINEAR
CSSG96
CSS703
Spacewatch
#1
#6
#2
#5
#32010 UN-NUMBERED OBJECTS
Funding provided by:Air Force Research LaboratoryPS1 Science ConsortiumNASA NEOO Program