This page summarises the information held within TEPCat for the transiting planetary system NGTS-27. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024A+A...684A.201B | |
| Date of discovery paper | 2024 / 4 / 29 | y / m / d |
| Data/telescope used for discovery | NGTS | |
| Right ascension | 13 44 06.37 | h m s |
| Declination | −32 31 22.7 | d m s |
| Right ascension (decimal) | 206.02654 | degrees |
| Declination (decimal) | -32.52297 | degrees |
| V-band apparent magnitude | 13.50 | mag |
| K-band apparent magnitude | 11.86 | mag |
| Transit duration | 0.204 ( 4.90 ) | day hour |
| Transit depth | 0.7 | % |
| Time of mid-transit | 2458540.6573 ± 0.0011 | HJD or BJD |
| Orbital period | 3.3704181 ± 0.0000058 | days |
| Reference for orbital ephemeris | 2024A+A...684A.201B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5700 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.08 | dex |
| Stellar mass | 1.07 ± 0.06 | Msun |
| Stellar radius | 1.77 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.05 ± 0.08 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0446 +0.0026 −0.0036 | AU |
| Planetary mass | 0.593 +0.095 −0.072 ( 188 +30 −22 ) | Mjup Mearth |
| Planetary radius | 1.396 +0.038 −0.035 ( 15.65 + 0.43 − 0.39 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.201 ± 0.044 ( 0.267 ± 0.058 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1783 +104 −88 | K |
| Reference of detailed study | 2024A+A...684A.201B |
NGTS-27 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)