This page summarises the information held within TEPCat for the transiting planetary system HD 97658. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2013ApJ...772L...2D | |
| Date of discovery paper | 2013 / 5 / 31 | y / m / d |
| Data/telescope used for discovery | MOST | |
| Right ascension | 11 14 33.16 | h m s |
| Declination | +25 42 37.4 | d m s |
| Right ascension (decimal) | 168.63817 | degrees |
| Declination (decimal) | 25.71039 | degrees |
| V-band apparent magnitude | 7.71 | mag |
| K-band apparent magnitude | 5.73 | mag |
| Transit duration | 0.1187 ( 2.849 ) | day hour |
| Transit depth | 0.077 | % |
| Time of mid-transit | 2456361.80580 ± 0.00024 | HJD or BJD |
| Orbital period | 9.4893077 ± 0.0000015 | days |
| Reference for orbital ephemeris | 2023A+A...669A.124H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5170 ± 44 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.23 ± 0.03 | dex |
| Stellar mass | 0.77 ± 0.05 | Msun |
| Stellar radius | 0.746 +0.016 −0.034 | Rsun |
| Stellar logarithmic surface gravity | 4.583 +0.047 −0.054 | c.g.s. |
| Stellar mean density | 1.89 +0.23 −0.20 ( 2.67 +0.32 −0.28 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.030 +0.034 −0.032 | |
| Orbital semimajor axis | 0.0800 +0.0017 −0.0018 | AU |
| Planetary mass | 0.0246 +0.0017 −0.0014 ( 7.82 +0.54 −0.45 ) | Mjup Mearth |
| Planetary radius | 0.2005 +0.0087 −0.0085 ( 2.247 +0.098 −0.095 ) | Rjup Rearth |
| Planetary surface gravity | 14.7 +2.1 −1.9 3.17 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 2.85 +0.46 −0.38 ( 3.78 +0.61 −0.50 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 757 +12 −13 | K |
| Reference of detailed study | 2020AJ....159..239G |
HD 97658 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)