Planet K2-139 Ab
Detailed information about planet K2-139 Ab and its parameters.
Planet
- Name
- K2-139 Ab
- Mass
- Mass*sin(i)
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—
- Semi-Major Axis
- Orbital Period
- Eccentricity
- ω
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—
- Tperi
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—
- Radius
- Inclination
- Primary transit
- Secondary transit
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—
- λ
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—
- Impact Parameter b
- Time Vr=0
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—
- Velocity Semiamplitude K
- Calculated temperature
- Measured temperature
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—
- Hottest point longitude
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- Surface gravity log(g/gH)
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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 |
|---|
1 Sep 2025: See also Planets in Binaries webpage.
No link
Star
- Name
- K2-139 A
- Distance
- Spectral type
-
G9/K0V
- Apparent magnitude V
-
11.7
- Apparent magnitude I
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—
- Apparent magnitude J
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—
- Apparent magnitude H
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—
- Apparent magnitude K
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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
-
19:16:16.0
- Dec2000
-
-17:54:38.5
- Alternate Names
-
2MASS J19161596-1754384, EPIC 218916923, TYC 6300-2008-1, WISE J191615.99-175438.5
Eeles-Nolle & Armstrong (2025): A faint companion star, likely a very low-mass M dwarf (Gaia DR3 4084602585291541888, G = 20.26), lies 59.33 arcseconds away (9,137 AUs at 154 pc).
No link
- Simbad
- Most recent references (ADS)