This page summarises the information held within TEPCat for the transiting planetary system NGTS-11. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020ApJ...898L..11G | |
| Date of discovery paper | 2020 / 5 / 4 | y / m / d |
| Data/telescope used for discovery | NGTS | |
| Right ascension | 01 34 05.15 | h m s |
| Declination | −14 25 08.9 | d m s |
| Right ascension (decimal) | 23.52146 | degrees |
| Declination (decimal) | -14.41914 | degrees |
| V-band apparent magnitude | 12.46 | mag |
| K-band apparent magnitude | 10.32 | mag |
| Transit duration | 0.150 ( 3.60 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2458390.7043 ± 0.0016 | HJD or BJD |
| Orbital period | 35.45533 ± 0.00019 | days |
| Reference for orbital ephemeris | 2020ApJ...898L..11G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5050 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.22 ± 0.08 | dex |
| Stellar mass | 0.862 ± 0.028 | Msun |
| Stellar radius | 0.832 ± 0.013 | Rsun |
| Stellar logarithmic surface gravity | 4.5 ± 0.1 | c.g.s. |
| Stellar mean density | 1.496 ± 0.085 ( 2.11 ± 0.12 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.13 +0.10 −0.09 | |
| Orbital semimajor axis | 0.2010 +0.0021 −0.0022 | AU |
| Planetary mass | 0.344 +0.092 −0.073 ( 109 +29 −23 ) | Mjup Mearth |
| Planetary radius | 0.817 +0.028 −0.033 ( 9.16 +0.31 −0.37 ) | Rjup Rearth |
| Planetary surface gravity | 14.1 +5.3 −3.4 3.1 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.59 +0.16 −0.13 ( 0.78 +0.21 −0.17 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 435 +34 −32 | K |
| Reference of detailed study | 2020ApJ...898L..11G |
NGTS-11 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)