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TRAPPIST-1 g
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2MASS J23062928-0502285
Stellar parameters and planets on the system

Host Star: 2MASS J23062928-0502285 2MASS J23062928-0502285 System planets
RA 346.62234
Teff 2560
Radius 0.117
Mass 0.08
DEC -5.041444
Spectral Type EU M8
V Mag 18.8
I Mag 0
Distance 12.1
J Mag 0
H Mag 0
K Mag 0
Planet Name Planet Mass Planet Radius Semi Major Axis Orbital Period Eccentricity Inclination
TRAPPIST-1 b 0.0027 0.09689 0.01111 1.51087081 0 89.65
TRAPPIST-1 c 0.00434 0.09421 0.01521 2.4218233 0 89.67
TRAPPIST-1 d 0.0013 0.0689 0.02144 4.04961 0 89.75
TRAPPIST-1 e 0.002 0.0819 0.02817 6.099615 0 89.86
TRAPPIST-1 f 0.0021 0.09323 0.0371 9.20669 0 89.68
TRAPPIST-1 g 0.00422 0.1005 0.0451 12.35294 0 89.71
TRAPPIST-1 h 0 0.0674 0.063 20 0 89.8
Photosferic properties via VOSA

Photometric data catalogues and tools:

TESS OBSERVATIONS

No observations availables in Tess archives for this object (yet)

Spectroscopic data catalogues:

 

OHP archives:
Available observations data for 2MASS J23062928-0502285

Spectra timeseries observations in SOPHIE OHP archive.

Cross correlation functions in SOPHIE archive, with Radial velocity

List of Spectra timeseries observations in ELODIE archive

Cross correlation functions in ELODIE archive, with Radial velocity

La Palma, CAHA, Keck, ESO archives

TRAPPIST-1 g
Planet parameters

Planet Name Planet Mass Planet Radius Semi Major Axis Orbital Period Eccentricity Inclination Tidally Locked Angular Distance Primary Transit Source (JD) Calculated Planet Temperature(K) Molecules Star Distance
TRAPPIST-1 g 0.00422 0.1005 0.0451 12.35294 0 89.71 y 0 2457665.34937 198.6 H2O 12.1

Direct access and visualization for NASA archive

 

SHOW ERRORBARS Y/N

RefTypeFacilityInstrum.NptComments
Wakeford et al. 2018 spec Hubble Space Telescope satelliteWide Field Camera 313WAKEFORD ET AL 2018 . We present a case study on TRAPPIST-1g, the largest planet in the system, using a new observation together with previous data, to disentangle the atmospheric transmission of the planet from that of the star. We observed one transit of TRAPPIST-1g with theHubble Space Telescope (HST) Wide Field Camera 3(WFC3) G141 grism on 10 December 2017 as part ofGO-15304 (PI de Wit). We obtained 60 exposures in spatial scan mode over the course of four HST orbits each with an exposure time of 112 seconds.