This page summarises the information held within TEPCat for the transiting planetary system HD 20329. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...668A.158M | |
| Date of discovery paper | 2022 / 11 / 7 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 03 16 42.63 | h m s |
| Declination | +15 39 26.0 | d m s |
| Right ascension (decimal) | 49.17762 | degrees |
| Declination (decimal) | 15.65722 | degrees |
| V-band apparent magnitude | 8.74 | mag |
| K-band apparent magnitude | 7.12 | mag |
| Transit duration | 0.0526 ( 1.262 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2459472.14321 ± 0.00079 | HJD or BJD |
| Orbital period | 0.926118 ± 0.00047 | days |
| Reference for orbital ephemeris | 2022A+A...668A.158M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5596 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.07 +0.06 −0.0 | dex |
| Stellar mass | 0.90 ± 0.05 | Msun |
| Stellar radius | 1.13 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.40 ± 0.07 | c.g.s. |
| Stellar mean density | 0.62 ± 0.05 ( 0.875 ± 0.071 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0180 ± 0.0003 | AU |
| Planetary mass | 0.0233 ± 0.0034 ( 7.4 ± 1.1 ) | Mjup Mearth |
| Planetary radius | 0.153 ± 0.006 ( 1.715 ± 0.067 ) | Rjup Rearth |
| Planetary surface gravity | 24.7 ± 4.1 3.39 ± 0.07 | m/s2 log(cgs) |
| Planetary mean density | 6.1 ± 1.2 ( 8.1 ± 1.6 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2141 ± 17 | K |
| Reference of detailed study | 2022A+A...668A.158M |
HD 20329 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)