Table:
text: Doppler spectroscopy
Radial-velocity comparison tables
Planets
Planet Planet_Type Semimajor_Axis_AU_ Orbital_Period Radial_velocity_m_s Detectable_by_
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

Question: Which planet orbits in 3.23 days under radial velocity comparison tables under Doppler spectroscopy?

Question: Which type of planet has a radial velocity of 45.2 m/s among Doppler spectroscopy radial velocity comparison tables?

Question: Which type of planet has a semimajor axis of 0.07 au under Doppler spectroscopy of radial velocity comparison tables?

Question: How can the planet,51 pegasi b be detected in Doppler spectroscopy radial velocity comparison tables?