Planet TOI-3884 b
Name |
TOI-3884 b |
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Planet Status |
Confirmed |
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Discovered in |
2022 |
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Mass |
0.0519 ( -0.0057 +0.011 ) MJ |
 |
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Mass*sin(i) |
— |
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Semi-Major Axis |
0.0354 (± 0.0014) AU |
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Orbital Period |
4.5445697 (± 9.4e-06) day |
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Eccentricity |
0.32 ( -0.32 +0.0 ) |
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ω |
190.0 (± 150.0) deg |
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Tperi |
— |
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Radius |
0.5629 (± 0.025) RJ |
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Inclination |
89.93 ( -0.16 +0.12 ) deg |
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Update |
2022-10-21 |
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Detection Method |
Primary Transit |
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Mass Detection Method |
Radial Velocity |
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Radius Detection Method |
Primary Transit |
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Primary transit |
2459642.86314 (± 0.00012) JD |
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Secondary transit |
— |
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λ |
— |
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Impact Parameter b |
0.072 (± 0.072) |
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Time Vr=0 |
— |
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Velocity Semiamplitude K |
14.9 ( -1.6 +3.4 ) m/s |
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Calculated temperature |
463.0 (± 12.0) K |
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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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Star
Name |
TOI-3884 |
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Distance |
43.338 (± 0.05) pc |
 |
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Spectral type |
— |
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Apparent magnitude V |
14.0 |
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Mass |
0.2813 (± 0.067) MSun |
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Age |
— |
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Effective temperature |
3269.0 (± 70.0) K |
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Radius |
0.3043 (± 0.009) RSun |
 |
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Metallicity [Fe/H] |
0.23 (± 0.12) |
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Detected Disc |
— |
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Magnetic Field |
— |
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RA2000 |
12:06:17.0 |
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Dec2000 |
+12:30:25 |
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Alternate Names |
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Planetary system |
1 planet
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Related publications
An In-Depth Look at TOI-3884b: a Super-Neptune Transiting a M4 Dwarf with Persistent Star Spot Crossings
2023
LIBBY-ROBERTS J., SCHUTTE M., HEBB L., KANODIA Sh., CANAS C. et al.
Astron. J., 164, 249
paper arxiv
TOI-3884 b: A rare 6-RE planet that transits a low-mass star with a giant and likely polar spot
2022
ALMENARA J., BONFILS X., FORVEILLE Th. ASTUDILLO-DEFRU N., CIARDI D. et al.
Astron. & Astrophys., 667, L11
paper arxiv