Planet GJ 3470 b
| Name | GJ 3470 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2012 | ||
| Mass | 0.0437533 ( -0.00513932 +0.00514531 ) MJ | ||
| Mass*sin(i) | 0.0437341 ( -0.00512853 +0.00512853 ) MJ | ||
| Semi-Major Axis | 0.03557 (± 0.001) AU |  |
+ |
| Orbital Period | 3.33671 (± 5e-05) day | |
+ |
| Eccentricity | — | ||
| ω | — | ||
| Tperi | — | |
|
| Radius | 0.373807 ( -0.0526364 +0.0526364 ) RJ | ||
| Inclination | 88.3 (± 0.5) deg | |
|
| Update | 2013-11-05 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | — | ||
| Radius Detection Method | — | ||
| Molecules | — | ||
| Primary transit | 2.45609e+06 (± 0.00015) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | — | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 3470| Name | GJ 3470 | ||
| Distance | 29.28 ( -1.7 +2.1 ) pc | |
+ |
| Spectral type | M1.5 | ||
| Apparent magnitude V | 12.27 | ||
| Mass | 0.539 (± 0.047) MSun | |
+ |
| Age | 1 ( -0.7 +0.7 ) Gyr | |
|
| Effective temperature | 3600 (± 100) K | |
+ |
| Radius | 0.55 (± 0.012) RSun | |
+ |
| Metallicity [Fe/H] | 0.2 (± 0.1) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 07:59:06.0 | ||
| Dec2000 | +15:23:30 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Related publications
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CROSSFIELD I. & KREIDBERG L.
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The GTC exoplanet transit spectroscopy survey. VI. A spectrally-resolved Rayleigh scattering slope in GJ 3470b
2017
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Marginalising instrument systematics in HST WFC3 transit lightcurves
2016
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Transit timing variation and transmission spectroscopy analyses of the hot Neptune GJ3470b
2016
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2016
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ADS
Using near infra-red spectroscopy for characterization of transiting exoplanets
2015
ARONSON E., WALDEN P. & PISKUNOV N.
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2015
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Exoplanetary Geophysics -- An Emerging Discipline
2015
LAUGHLIN G. & LISSAUER J.
Review Chapter in Treatise on Geophysics, accepted
arxiv
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2014
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The atmospheric chemistry of the warm Neptune GJ 3470b: influence of metallicity and temperature on the CH4/CO ratio
2014
VENOT O., AGUNDEZ M., SELSIS F., TESSENYI M. & IRO N.
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2014
EHRENREICH D., BONFILS X., LOVIS Ch., DELFOSSE X., FORVEILLE Th. et al.
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Warm Ice Giant GJ 3470b. II Revised Planetary and Stellar Parameters from Optical to Near-infrared Transit Photometry
2014
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2013
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ApJ, submitted
arxiv
The blue sky of GJ3470b: the atmosphere of a low-mass planet unveiled by ground-based photometry
2013
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Warm Ice Giant GJ 3470b. I. A Flat Transmission Spectrum Indicates a Hazy, Low-methane, and/or Metal-rich Atmosphere
2013
CROSSFIELD I., BARMAN, T. HANSEN B. &HOWARD A.
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A hot Uranus transiting the nearby M dwarf GJ3470. Detected with HARPS velocimetry. Captured in transit with TRAPPIST photometry
2012
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Astron. & Astrophys., 546, A27
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