This page summarises the information held within TEPCat for the transiting planetary system LHS 1678d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024AJ....167..255S | |
| Date of discovery paper | 2024 / 3 / 4 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 04 32 42.63 | h m s |
| Declination | −39 47 12.1 | d m s |
| Right ascension (decimal) | 68.17762 | degrees |
| Declination (decimal) | -39.78669 | degrees |
| V-band apparent magnitude | 12.48 | mag |
| K-band apparent magnitude | 8.26 | mag |
| Transit duration | 0.04 ( 1.0 ) | day hour |
| Transit depth | 0.08 | % |
| Time of mid-transit | 2459000.45806 ± 0.00089 | HJD or BJD |
| Orbital period | 4.9652229 ± 0.0000086 | days |
| Reference for orbital ephemeris | 2024AJ....167..255S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3490 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.36 ± 0.06 | dex |
| Stellar mass | 0.345 ± 0.014 | Msun |
| Stellar radius | 0.329 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 9.6 ± 1.0 ( 13.5 ± 1.4 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.036 +0.060 −0.027 | |
| Orbital semimajor axis | 0.0400 +0.0018 −0.0017 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.0875 +0.0062 −0.0064 ( 0.981 +0.069 −0.072 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2024AJ....167..255S |
LHS 1678d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)