Density of asteroids Mass measurements Volume determination Post-Gaia Era
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1 1/14 Benoît Carry, Gaia GREAT, 4 6 May 2011
2 based on DeMeo et al /14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Density & Composition
3 Density & Composition 2/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 based on DeMeo et al. 2009
4 Density & Composition 2/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 based on DeMeo et al. 2009
5 Density & Composition 2/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 based on DeMeo et al. 2009
6 Density & Composition 2/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 based on DeMeo et al. 2009
7 adapted from Britt et al /14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Density & Structure
8 adapted from Britt et al /14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Density & Structure
9 adapted from Britt et al /14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Density & Structure
10 4/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Density & Troubles ρ = M V
11 5/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Mass measurements ρ = M V
12 Mass & Taxonomy 6/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 based on DeMeo et al & Baer et al. 2011
13 Mass & Taxonomy 6/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 based on DeMeo et al & Baer et al. 2011
14 7/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Mass & Uncertainty
15 8/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Mass & Gaia
16 8/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Mass & Gaia Breakthrough in mass estimates Deflection & Binary About masses Coherent set Span taxonomy
17 9/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Volume estimates ρ = M V
18 10/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Volume & Troubles ρ = M V masses 2228 diameters IRAS diameters Spitzer diameters WISE diameters Gaia
19 10/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Volume & Troubles ρ = M V dρ ρ = dm M + dv V masses = dm M + 3dR R 2228 diameters IRAS diameters Spitzer diameters WISE diameters Gaia
20 10/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Volume & Troubles ρ = M V dρ ρ = dm M + dv V masses 2228 diameters IRAS diameters Spitzer diameters WISE diameters Gaia = dm M + 3dR R Size is the Limiting Factor
21 Accurate Volumes 1. Direct measurements WYSIWYG model-dependant Disk-resolved imaging Stellar occultations 2. Realistic 3-D shapes Assumptions bias Concavity Volume Lightcurves (dense & sparse) 3. Completeness of geometries Extensive approach Thermal radiometry Interferometry Radar echo 11/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Tanga & Delbò 2007 Carry et al Ďurech et al. 2011
22 Accurate Volumes 1. Direct measurements WYSIWYG model-dependant Disk-resolved imaging Stellar occultations 2. Realistic 3-D shapes Assumptions bias Concavity Volume Lightcurves (dense & sparse) 3. Completeness of geometries Extensive approach Thermal radiometry Interferometry Radar echo 11/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Kaasalainen & Ďurech Hanuš et al Cellino, Hanuš, Carbognani
23 Accurate Volumes 1. Direct measurements WYSIWYG model-dependant Disk-resolved imaging Stellar occultations 2. Realistic 3-D shapes Assumptions bias Concavity Volume Lightcurves (dense & sparse) 3. Completeness of geometries Extensive approach Thermal radiometry Interferometry Radar echo 11/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Tanga et al Busch et al Delbò et al. 2009
24 12/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Volume with KOALA
25 12/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Volume with KOALA Pre-Flyby model KOALA Carry et al vs. Rosetta Shape: 2 km Carry et al Accuracy Volume: 15%
26 13/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 KOALA Development KOALA 1.0: Kaasalainen, Ďurech & Carry Lightcurves (dense & sparse) Disk-resolved imaging Stellar occultations Code being cleaned for release KOALA 1.x: Current development Interferometry (optical): FGS on HST, JWST Thermal radiometry: IRAS, Spitzer, WISE Kaasalainen, Ďurech, Delbò, Carry KOALA 2.0: Planned development Interferometry (thermal): VLTI, LBT Radar: Arecibo, LOFAR+EISCAT3d
27 14/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Gaia s Contribution ρ = M V
28 14/14 Benoît Carry, Gaia GREAT, 4 6 May 2011 Gaia s Contribution Ultra-high precision astrometry Mass determination: Deflection & Binary 150 estimates spanning taxonomy Ground-based support Colas Ephemeris (e.g INPOP) Fienga N extra estimates? Very-high precision photometry 3-D shape reconstruction Cellino, Hanuš, Carbognani Minor contribution for volume Ground-based support Lightcurves (dense) campaigns Dedicated imaging on large telescopes Stellar occultations Tanga, Delbò
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