This page summarises the information held within TEPCat for the transiting planetary system HIP 9618b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023MNRAS.523.3069O | |
| Date of discovery paper | 2023 / 6 / 8 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 02 03 37.03 | h m s |
| Declination | +21 16 51.1 | d m s |
| Right ascension (decimal) | 30.90429 | degrees |
| Declination (decimal) | 21.28086 | degrees |
| V-band apparent magnitude | 9.03 | mag |
| K-band apparent magnitude | 7.60 | mag |
| Transit duration | 0.2047 ( 4.913 ) | day hour |
| Transit depth | 0.15 | % |
| Time of mid-transit | 2458767.42089 ± 0.0057 | HJD or BJD |
| Orbital period | 20.772907 ± 0.000023 | days |
| Reference for orbital ephemeris | 2023MNRAS.523.3069O |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5609 ± 33 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.10 ± 0.09 | dex |
| Stellar mass | 1.022 +0.043 −0.076 | Msun |
| Stellar radius | 0.966 ± 0.005 | Rsun |
| Stellar logarithmic surface gravity | 4.45 +0.016 −0.033 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.22 +0.25 −0.15 | |
| Orbital semimajor axis | 0.1438 +0.0025 −0.0037 | AU |
| Planetary mass | 0.031 ± 0.010 ( 9.9 ± 3.2 ) | Mjup Mearth |
| Planetary radius | 0.348 ± 0.004 ( 3.901 ± 0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 663 +9 −6 | K |
| Reference of detailed study | 2023MNRAS.523.3069O |
HIP 9618b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)