How can Planet, 51 pegasi b be detected?
Planet Planet Type Semimajor Axis ( AU ) Orbital Period Radial velocity (m/s) Detectable by:
Doppler spectroscopy
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Radial-velocity comparison tables
Planets
51 Pegasi b Hot Jupiter 0.05 4.23 days 55.9 First-generation spectrograph
55 Cancri d Gas giant 5.77 14.29 years 45.2 First-generation spectrograph
Jupiter Gas giant 5.20 11.86 years 12.4 First-generation spectrograph
Gliese 581c Super-Earth 0.07 12.92 days 3.18 Second-generation spectrograph
Saturn Gas giant 9.58 29.46 years 2.75 Second-generation spectrograph
Alpha Centauri Bb Terrestrial planet 0.04 3.23 days 0.510 Second-generation spectrograph
Neptune Ice giant 30.10 164.79 years 0.281 Third-generation spectrograph
Earth Habitable planet 1.00 365.26 days 0.089 Third-generation spectrograph (likely)
Pluto Dwarf planet 39.26 246.04 years 0.00003 Not detectable
SELECT Detectable by: FROM table WHERE Planet = 51 pegasi b
51 pegasi b