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BD = velocita’ relativa perpendicolare al piano galattico
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orbita circolare ad alta inclinazione
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A
D
¹
Planet Detection Methods
Michael Perryman: Rep. Prog. Phys, 2000, 63, 1209 (updated Aug 2002)
Accretion
on star
Existing capability
Projected (10-20 yr)
Primary detections
Follow- up detections
n = systems; ? = uncertain
Planet Detection
Methods
Dynamical effects
Magnetic
?? superflares
Photometric signal
Radio
emission
gA
Timing
(ground)
Detectable
planet mass
Self-accreting
planetesimals
Miscellaneous
Microlensing
Transits
Imaging
Astrometry
Reflected
light
Disks
Radial
velocity
White
dwarfs
Pulsars
Binary
eclipses
10MJ
Radio
Astrometric
Slow
10ME
ME
Millisec
1
101
(91 systems)
Space
interferometry
(infrared/optical)
Ground
Space
Space
Detection
Ground
(adaptive
optics)
1?
2?
MJ
Photometric
Optical
Ground
Resolved
imaging
Detection
of Life?
1?
2?
1
Ground
Timing Space
residuals
Imaging/
spectroscopy
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hd130322
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hd38529
hd195019
hd6434
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hd168443
hd121504
hd178911
hd16141
hd114762
hd80606
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hd52265
hd1237
hd37124
hd73526
hd82943
hd8574
hd202206
hd150706
hd40979
hd134987
hd12661
hd169830
hd89744
hd17051
hd92788
hd142
hd128311
hd28185
hd108874
hd4203
hd177830
hd210277
hd27442
hd82943b
hd114783
hd147513
hd20367
hip75458
hd222582
hd23079
hd141937
hd160691
hd114386
hd4208
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hd136118
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hd72659
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hd39091
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0.34 MJ
0.25 MJ
0.53 MJ
0.92 MJ
0.63 MJ
0.48 MJ
0.45 MJ
4.1 MJ
0.19 MJ
0.45 MJ
0.11 MJ
0.68 MJ
0.24 MJ
1.8 MJ
13. MJ
1.2 MJ
1.1 MJ
4.2 MJ
0.79 MJ
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1.6 MJ
1.54 MJ
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2.9 MJ
7.1 MJ
2.1 MJ
3.8 MJ
1.3 MJ
2.6 MJ
5.6 MJ
1.6 MJ
1.6 MJ
1.2 MJ
1.2 MJ
1.3 MJ
1.6 MJ
0.99 MJ
1.0 MJ
1.1 MJ
8.6 MJ
5.1 MJ
2.7 MJ
9.6 MJ
1.7 MJ
1.0 MJ
0.80 MJ
1.6 MJ
4.4 MJ
0.87 MJ
0.76
2.5 MJ
6.0 MJ
4.7 MJ
5.0 MJ
3.7 MJ
1.9 MJ
11. MJ
2.8 MJ
6.7 MJ
1.2 MJ
7.7 MJ
7.6 MJ
8.0 MJ
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1
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O\rL{YSPT e ¹ ´
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Orbital Semimajor Axis (AU)
A0
5
The Search for Extrasolar Planets
Distribuzione di massa dei pianeti extrasolari conosciuti. Sono state studiate circa 1000 stelle: molte
fra quelle di tipo solare entro 30 pc. La frequenza varia piu’ o meno con l’inverso della massa.
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