This page summarises the information held within TEPCat for the transiting planetary system HD 23472b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...665A.154B | |
| Date of discovery paper | 2022 / 9 / 28 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 03 41 50.40 | h m s |
| Declination | −62 46 01.5 | d m s |
| Right ascension (decimal) | 55.46000 | degrees |
| Declination (decimal) | -62.76708 | degrees |
| V-band apparent magnitude | 9.72 | mag |
| K-band apparent magnitude | 7.35 | mag |
| Transit duration | 0.111 ( 2.66 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2458360.6641 ± 0.0012 | HJD or BJD |
| Orbital period | 17.667087 ± 0.000042 | days |
| Reference for orbital ephemeris | 2022A+A...665A.154B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4684 ± 99 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.20 ± 0.05 | dex |
| Stellar mass | 0.67 ± 0.03 | Msun |
| Stellar radius | 0.71 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.53 ± 0.08 | c.g.s. |
| Stellar mean density | 1.88 ± 0.18 ( 2.65 ± 0.25 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.042 +0.034 −0.026 | |
| Orbital semimajor axis | 0.1162 ± 0.0018 | AU |
| Planetary mass | 0.0262 ± 0.0025 ( 8.33 ± 0.79 ) | Mjup Mearth |
| Planetary radius | 0.178 +0.010 −0.009 ( 2.00 +0.11 −0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 4.64 +0.90 −0.75 ( 6.15 +1.19 −0.99 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 543 ± 18 | K |
| Reference of detailed study | 2022A+A...665A.154B |
HD 23472b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)