This page summarises the information held within TEPCat for the transiting planetary system HD 207496. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023A+A...673A...4B | |
| Date of discovery paper | 2023 / 3 / 8 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 21 54 51.30 | h m s |
| Declination | −77 20 16.8 | d m s |
| Right ascension (decimal) | 328.71375 | degrees |
| Declination (decimal) | -77.33800 | degrees |
| V-band apparent magnitude | 8.23 | mag |
| K-band apparent magnitude | 6.57 | mag |
| Transit duration | 0.0734 ( 1.762 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2458658.78978 ± 0.00050 | HJD or BJD |
| Orbital period | 6.441008 ± 0.000011 | days |
| Reference for orbital ephemeris | 2023A+A...673A...4B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4819 ± 94 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.095 ± 0.038 | dex |
| Stellar mass | 0.80 ± 0.04 | Msun |
| Stellar radius | 0.769 ± 0.026 | Rsun |
| Stellar logarithmic surface gravity | 4.51 ± 0.04 | c.g.s. |
| Stellar mean density | 1.77 ± 0.20 ( 2.50 ± 0.28 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.231 +0.042 −0.049 | |
| Orbital semimajor axis | 0.0629 ± 0.0011 | AU |
| Planetary mass | 0.019 ± 0.005 ( 6.0 ± 1.6 ) | Mjup Mearth |
| Planetary radius | 0.201 +0.011 −0.009 ( 2.25 +0.12 −0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.39 +0.73 −0.69 ( 3.17 +0.97 −0.92 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 743 ± 26 | K |
| Reference of detailed study | 2023A+A...673A...4B |
HD 207496 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)