This page summarises the information held within TEPCat for the transiting planetary system NGTS-3. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.478.4720G | |
| Date of discovery paper | 2018 / 5 / 4 | y / m / d |
| Data/telescope used for discovery | NGTS | |
| Right ascension | 06 17 46.75 | h m s |
| Declination | −35 42 22.0 | d m s |
| Right ascension (decimal) | 94.44479 | degrees |
| Declination (decimal) | -35.70611 | degrees |
| V-band apparent magnitude | 14.64 | mag |
| K-band apparent magnitude | 12.81 | mag |
| Transit duration | 0.09594 ( 2.3026 ) | day hour |
| Transit depth | 2.0 | % |
| Time of mid-transit | 2457620.16790 ± 0.00095 | HJD or BJD |
| Orbital period | 1.6753728 ± 0.0000030 | days |
| Reference for orbital ephemeris | 2018MNRAS.478.4720G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5600 ± 150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.12 ± 0.15 | dex |
| Stellar mass | 1.017 ± 0.093 | Msun |
| Stellar radius | 0.93 ± 0.23 | Rsun |
| Stellar logarithmic surface gravity | 4.5 ± 0.2 | c.g.s. |
| Stellar mean density | 0.77 ± 0.21 ( 1.09 ± 0.30 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.0233 +0.0065 −0.0047 | AU |
| Planetary mass | 2.38 ± 0.26 ( 756 ± 82 ) | Mjup Mearth |
| Planetary radius | 1.48 ± 0.37 ( 16.6 ± 4.1 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.31 +0.41 −0.15 ( 0.41 +0.54 −0.20 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2018MNRAS.478.4720G |
NGTS-3 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)