This page summarises the information held within TEPCat for the transiting planetary system HD 307842. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023AJ....166...32H | |
| Date of discovery paper | 2023 / 6 / 27 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 10 37 21.88 | h m s |
| Declination | −63 39 18.1 | d m s |
| Right ascension (decimal) | 159.34117 | degrees |
| Declination (decimal) | -63.65503 | degrees |
| V-band apparent magnitude | 9.41 | mag |
| K-band apparent magnitude | 7.64 | mag |
| Transit duration | 0.095 ( 2.28 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2459336.61121 ± 0.00047 | HJD or BJD |
| Orbital period | 2.7970365 ± 0.0000031 | days |
| Reference for orbital ephemeris | 2023AJ....166...32H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5558 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.13 ± 0.08 | dex |
| Stellar mass | 0.91 ± 0.10 | Msun |
| Stellar radius | 0.907 ± 0.017 | Rsun |
| Stellar logarithmic surface gravity | 4.48 ± 0.10 | c.g.s. |
| Stellar mean density | 1.26 +0.08 −0.13 ( 1.78 +0.11 −0.18 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.038 ± 0.001 | AU |
| Planetary mass | 0.0304 ± 0.0026 ( 9.66 ± 0.83 ) | Mjup Mearth |
| Planetary radius | 0.172 +0.010 −0.008 ( 1.928 +0.112 −0.090 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 5.6 +1.1 −0.9 ( 7.4 +1.5 −1.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023AJ....166...32H |
HD 307842 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)