This page summarises the information held within TEPCat for the transiting planetary system HD 332231. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....159..241D | |
| Date of discovery paper | 2020 / 3 / 25 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 20 26 57.92 | h m s |
| Declination | +33 44 40.0 | d m s |
| Right ascension (decimal) | 306.74133 | degrees |
| Declination (decimal) | 33.74444 | degrees |
| V-band apparent magnitude | 8.56 | mag |
| K-band apparent magnitude | 7.24 | mag |
| Transit duration | 0.2565 ( 6.156 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2459141.3472 ± 0.0063 | HJD or BJD |
| Orbital period | 18.70173 ± 0.00028 | days |
| Reference for orbital ephemeris | 2022A+A...659A..44S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6089 +97 −96 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.036 +0.059 −0.058 | dex |
| Stellar mass | 1.127 ± 0.077 | Msun |
| Stellar radius | 1.277 +0.039 −0.036 | Rsun |
| Stellar logarithmic surface gravity | 4.279 +0.027 −0.034 | c.g.s. |
| Stellar mean density | 0.548 +0.043 −0.051 ( 0.773 +0.061 −0.072 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.032 +0.030 −0.022 | |
| Orbital semimajor axis | 0.1436 +0.0032 −0.0033 | AU |
| Planetary mass | 0.251 ± 0.017 ( 79.8 ± 5.4 ) | Mjup Mearth |
| Planetary radius | 0.867 +0.027 −0.025 ( 9.72 +0.30 −0.28 ) | Rjup Rearth |
| Planetary surface gravity | 8.04 +0.78 −0.77 2.91 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.356 +0.035 −0.033 ( 0.472 +0.046 −0.044 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 876 ± 17 | K |
| Reference of detailed study | 2022A+A...659A..44S |
| Reference | λ (degrees) |
|---|---|
| Sedaghati et al. (2022) | −42 ± 11 |
| Knudstrup & Albrecht (2022) | −2 ± 6 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)