Planet HAT-P-21 b
Detailed information about planet HAT-P-21 b and its parameters.
Planet
- Name
- HAT-P-21 b
- Planet Status
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- Discovered in
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- Update
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- Mass
- Mass*sin(i)
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- Semi-Major Axis
- Orbital Period
- Eccentricity
- ω
- Tperi
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- Radius
- Inclination
- Detection Method
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- Mass Meas. Method
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- Radius Meas. Method
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- Primary transit
- Secondary transit
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- λ
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- Impact Parameter b
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- Time Vr=0
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- Velocity Semiamplitude K
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- Calculated temperature
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- Measured temperature
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- Hottest point longitude
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- Geometric albedo
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- Surface gravity log(g/gH)
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- Alternate Names
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Data Source | Type | Result Value | Result Figure | Notes | Reference |
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Molecule | Data Source | Type | Result Value | Result Figure | Notes | Reference |
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11 Dec 2010: The time of secondary eclipse is not measured but derived from the Keplerian orbit (Bakos et al. 2010)
No link
Star
- Name
- HAT-P-21
- Distance
- Spectral type
-
- Apparent magnitude V
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- Mass
- Age
- Effective temperature
- Radius
- Metallicity [Fe/H]
- Detected Disc
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- Magnetic Field
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- RA2000
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- Dec2000
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- Alternate Names
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No remarks
No link
- Simbad
- Most recent references (ADS)