This page summarises the information held within TEPCat for the transiting planetary system GJ 1132. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015Natur.527..204B | |
| Date of discovery paper | 2015 / 11 / 11 | y / m / d |
| Data/telescope used for discovery | MEarth | |
| Right ascension | 10 14 51.85 | h m s |
| Declination | −47 09 24.5 | d m s |
| Right ascension (decimal) | 153.71604 | degrees |
| Declination (decimal) | -47.15681 | degrees |
| V-band apparent magnitude | 13.49 | mag |
| K-band apparent magnitude | 8.32 | mag |
| Transit duration | 0.0326 ( 0.782 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2457554.32450 ± 0.00009 | HJD or BJD |
| Orbital period | 1.6289292 ± 0.0000004 | days |
| Reference for orbital ephemeris | 2022MNRAS.514...77M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3270 ± 140 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.12 ± 0.15 | dex |
| Stellar mass | 0.181 ± 0.019 | Msun |
| Stellar radius | 0.2105 +0.0102 −0.0085 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 19.4 +2.6 −2.5 ( 27.4 + 3.7 − 3.5 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.22 −0.0 | |
| Orbital semimajor axis | 0.0153 ± 0.0005 | AU |
| Planetary mass | 0.0052 ± 0.0007 ( 1.65 ± 0.22 ) | Mjup Mearth |
| Planetary radius | 0.1008 ± 0.0050 ( 1.130 ± 0.056 ) | Rjup Rearth |
| Planetary surface gravity | 12.9 ± 2.2 3.11 ± 0.07 | m/s2 log(cgs) |
| Planetary mean density | 4.7 ± 1.0 ( 6.2 ± 1.3 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 529 ± 9 | K |
| Reference of detailed study | 2018A+A...618A.142B |
GJ 1132 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)