This page summarises the information held within TEPCat for the transiting planetary system GJ 3473. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020A+A...642A.236K | |
| Date of discovery paper | 2020 / 9 / 23 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 08 02 22.88 | h m s |
| Declination | +03 20 19.7 | d m s |
| Right ascension (decimal) | 120.59533 | degrees |
| Declination (decimal) | 3.33881 | degrees |
| V-band apparent magnitude | 13.69 | mag |
| K-band apparent magnitude | 8.83 | mag |
| Transit duration | 0.043 ( 1.03 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2458492.20408 ± 0.00043 | HJD or BJD |
| Orbital period | 1.1980035 ± 0.0000019 | days |
| Reference for orbital ephemeris | 2020A+A...642A.236K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3347 ± 54 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.11 ± 0.19 | dex |
| Stellar mass | 0.360 ± 0.016 | Msun |
| Stellar radius | 0.364 ± 0.012 | Rsun |
| Stellar logarithmic surface gravity | 4.81 ± 0.06 | c.g.s. |
| Stellar mean density | 7.75 +0.47 −0.49 ( 10.94 + 0.66 − 0.69 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01589 ± 0.00062 | AU |
| Planetary mass | 0.0059 ± 0.0009 ( 1.88 ± 0.29 ) | Mjup Mearth |
| Planetary radius | 0.1128 +0.0045 −0.0044 ( 1.264 +0.050 −0.049 ) | Rjup Rearth |
| Planetary surface gravity | 11.4 +2.1 −2.0 3.06 +0.07 −0.08 | m/s2 log(cgs) |
| Planetary mean density | 3.79 +0.81 −0.70 ( 5.03 +1.07 −0.93 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 773 +16 −15 | K |
| Reference of detailed study | 2020A+A...642A.236K |
GJ 3473 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)