This page summarises the information held within TEPCat for the transiting planetary system HD 80653. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020A+A...633A.133F | |
| Date of discovery paper | 2020 / 1 / 8 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 09 21 21.42 | h m s |
| Declination | +14 22 04.5 | d m s |
| Right ascension (decimal) | 140.33925 | degrees |
| Declination (decimal) | 14.36792 | degrees |
| V-band apparent magnitude | 9.45 | mag |
| K-band apparent magnitude | 8.02 | mag |
| Transit duration | 0.0719 ( 1.726 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2458095.56741 ± 0.00052 | HJD or BJD |
| Orbital period | 0.71957926 ± 0.00000039 | days |
| Reference for orbital ephemeris | arXiv:2607.19325 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5959 ± 61 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.255 ± 0.065 | dex |
| Stellar mass | 1.150 +0.063 −0.069 | Msun |
| Stellar radius | 1.199 ± 0.033 | Rsun |
| Stellar logarithmic surface gravity | 4.342 +0.032 −0.037 | c.g.s. |
| Stellar mean density | 0.667 ± 0.067 ( 0.941 ± 0.095 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01657 +0.00070 −0.00071 | AU |
| Planetary mass | 0.0176 ± 0.0012 ( 5.59 ± 0.38 ) | Mjup Mearth |
| Planetary radius | 0.1446 +0.0048 −0.0046 ( 1.621 +0.054 −0.052 ) | Rjup Rearth |
| Planetary surface gravity | 21 +23 −10 3.3 +0.3 −0.3 | m/s2 log(cgs) |
| Planetary mean density | 5.5 +0.7 −0.6 ( 7.30 +0.93 −0.80 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2438 +47 −45 | K |
| Reference of detailed study | arXiv:2607.19325 |
HD 80653 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/07/31 John Southworth (Keele University, UK)