This page summarises the information held within TEPCat for the transiting planetary system LHS 3844. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019ApJ...871L..24V | |
| Date of discovery paper | 2018 / 9 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 22 41 59.09 | h m s |
| Declination | −69 10 10.6 | d m s |
| Right ascension (decimal) | 340.49621 | degrees |
| Declination (decimal) | -69.16961 | degrees |
| V-band apparent magnitude | 15.26 | mag |
| K-band apparent magnitude | 9.15 | mag |
| Transit duration | 0.0216 ( 0.518 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2458325.72568 ± 0.00025 | HJD or BJD |
| Orbital period | 0.4629279 ± 0.0000016 | days |
| Reference for orbital ephemeris | 2019ApJ...871L..24V |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3036 ± 77 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.151 ± 0.014 | Msun |
| Stellar radius | 0.189 ± 0.006 | Rsun |
| Stellar logarithmic surface gravity | 5.06 ± 0.01 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.00623 ± 0.00015 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.118 ± 0.002 ( 1.323 ± 0.022 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 805 ± 20 | K |
| Reference of detailed study | 2019ApJ...871L..24V |
LHS 3844 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)