This page summarises the information held within TEPCat for the transiting planetary system NGTS-12. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020MNRAS.499.3139B | |
| Date of discovery paper | 2020 / 9 / 23 | y / m / d |
| Data/telescope used for discovery | NGTS | |
| Right ascension | 11 44 59.99 | h m s |
| Declination | −35 38 26.0 | d m s |
| Right ascension (decimal) | 176.24996 | degrees |
| Declination (decimal) | -35.64056 | degrees |
| V-band apparent magnitude | 12.38 | mag |
| K-band apparent magnitude | 10.59 | mag |
| Transit duration | 0.244 ( 5.86 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2458572.8549 ± 0.0017 | HJD or BJD |
| Orbital period | 7.532806 ± 0.000048 | days |
| Reference for orbital ephemeris | 2020MNRAS.499.3139B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5690 ± 130 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.03 ± 0.11 | dex |
| Stellar mass | 1.021 +0.056 −0.049 | Msun |
| Stellar radius | 1.589 ± 0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.045 ± 0.038 | c.g.s. |
| Stellar mean density | 0.254 ± 0.028 ( 0.358 ± 0.040 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.08 −0.0 | |
| Orbital semimajor axis | 0.0757 ± 0.0014 | AU |
| Planetary mass | 0.208 ± 0.022 ( 66.1 ± 7.0 ) | Mjup Mearth |
| Planetary radius | 1.048 ± 0.032 ( 11.75 ± 0.36 ) | Rjup Rearth |
| Planetary surface gravity | 4.68 +0.56 −0.57 2.67 +0.05 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.168 ± 0.022 ( 0.223 ± 0.029 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1257 ± 34 | K |
| Reference of detailed study | 2020MNRAS.499.3139B |
NGTS-12 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)