This page summarises the information held within TEPCat for the transiting planetary system HD 88986. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | arXiv:2311.13513 | |
Date of discovery paper | 2023 / 11 / 23 | y / m / d |
Data/telescope used for discovery | TESS | |
Right ascension | 10 16 28.08 | h m s |
Declination | +28 40 56.9 | d m s |
Right ascension (decimal) | 154.11700 | degrees |
Declination (decimal) | 28.68247 | degrees |
V-band apparent magnitude | 6.47 | mag |
K-band apparent magnitude | 4.88 | mag |
Transit duration | 0.73 ( 17.5 ) | day hour |
Transit depth | 0.03 | % |
Time of mid-transit | 2458891.690 ± 0.003 | HJD or BJD |
Orbital period | 147.4 ± 0.1 | days |
Reference for orbital ephemeris | arXiv:2311.13513 |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 5861 ± 17 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.06 ± 0.02 | dex |
Stellar mass | 1.25 ± 0.05 | Msun |
Stellar radius | 1.543 ± 0.010 | Rsun |
Stellar logarithmic surface gravity | 4.16 ± 0.03 | c.g.s. |
Stellar mean density | 0.334 ± 0.027 ( 0.471 ± 0.038 ) | ρsun g cm-3 |
Orbital eccentricity | 0.24 ± 0.05 | |
Orbital semimajor axis | 0.58 ± 0.04 | AU |
Planetary mass | 0.054 +0.013 −0.012 ( 17.2 +4.1 −3.8 ) | Mjup Mearth |
Planetary radius | 0.222 ± 0.016 ( 2.49 ± 0.18 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | 4.6 +2.5 −1.7 ( 6.1 +3.3 −2.3 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 460 ± 8 | K |
Reference of detailed study | arXiv:2311.13513 |
HD 88986 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)