WSAAG Meeting 2014 July 16 Dave Gault Team Occultation€¦ · Astrometry is the branch ot...

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Observation of AsteroidsObservation of Asteroids

WSAAG MeetingWSAAG Meeting

2014 July 162014 July 16

Dave GaultDave Gault

Team OccultationTeam Occultation

Asteroids? Asteroids? –– think potatoes in spacethink potatoes in space��

Types AsteroidsTypes Asteroids

Perhaps the public perception of Perhaps the public perception of

AsteroidsAsteroids

Methods of Observing AsteroidsMethods of Observing Asteroids

Who wants observations of Asteroids?Who wants observations of Asteroids?

AstrometryAstrometry

How to make observationsHow to make observations

of Asteroids and Cometsof Asteroids and Comets

Step 1 Step 1 –– System CalibrationSystem Calibration

Step 2 Step 2 –– Accreditation ObservationsAccreditation Observations

Step 3a Step 3a –– Make ObservationsMake Observations

Step 3b Step 3b –– Analyse ObservationsAnalyse Observations

PhotometryPhotometry

of Asteroidsof Asteroids

Photometric Observing of AsteroidsPhotometric Observing of Asteroids

3D Models of Asteroids3D Models of Asteroids

ObservationsObservations

ofof

Asteroids OccultationsAsteroids Occultations

Observing Asteroids Observing Asteroids ––

During Stellar OccultationDuring Stellar Occultation

Predicting Occultation EventsPredicting Occultation Events

Using Occult4Using Occult4

ResultsResults

Results from Bill HannaResults from Bill Hanna

of Alice Springsof Alice Springs

Results from South AmericaResults from South America