This page summarises the information held within TEPCat for the transiting planetary system LHS 1903c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2602.11271 | |
| Date of discovery paper | 2026 / 2 / 13 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 07 11 27.94 | h m s |
| Declination | +48 19 49.4 | d m s |
| Right ascension (decimal) | 107.86642 | degrees |
| Declination (decimal) | 48.33039 | degrees |
| V-band apparent magnitude | 12.21 | mag |
| K-band apparent magnitude | 8.21 | mag |
| Transit duration | 0.0828 ( 1.987 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2458844.3692 ± 0.0024 | HJD or BJD |
| Orbital period | 6.226185 ± 0.0000027 | days |
| Reference for orbital ephemeris | arXiv:2602.11271 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3664 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.11 ± 0.09 | dex |
| Stellar mass | 0.538 +0.039 −0.030 | Msun |
| Stellar radius | 0.539 ± 0.014 | Rsun |
| Stellar logarithmic surface gravity | 4.75 ± 0.12 | c.g.s. |
| Stellar mean density | 3.44 ± 0.35 ( 4.85 ± 0.49 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.089 +0.036 −0.030 | |
| Orbital semimajor axis | 0.0539 +0.0011 −0.0012 | AU |
| Planetary mass | 0.0143 +0.0023 −0.0022 ( 4.55 +0.73 −0.70 ) | Mjup Mearth |
| Planetary radius | 0.1825 +0.0070 −0.0066 ( 2.046 +0.078 −0.074 ) | Rjup Rearth |
| Planetary surface gravity | 10.7 ± 1.8 3.03 ± 0.07 | m/s2 log(cgs) |
| Planetary mean density | 2.19 +0.45 −0.39 ( 2.91 +0.60 −0.52 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 559 ± 14 | K |
| Reference of detailed study | arXiv:2602.11271 |
LHS 1903c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/02/19 John Southworth (Keele University, UK)