This page summarises the information held within TEPCat for the transiting planetary system HATS-23. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017MNRAS.468..835B | |
| Date of discovery paper | 2016 / 7 / 5 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 19 05 27.96 | h m s |
| Declination | −50 04 02.5 | d m s |
| Right ascension (decimal) | 286.36650 | degrees |
| Declination (decimal) | -50.06736 | degrees |
| V-band apparent magnitude | 13.90 | mag |
| K-band apparent magnitude | 12.26 | mag |
| Transit duration | 0.0752 ( 1.805 ) | day hour |
| Transit depth | 1.6 | % |
| Time of mid-transit | 2457072.85266 ± 0.00070 | HJD or BJD |
| Orbital period | 2.1605156 ± 0.0000045 | days |
| Reference for orbital ephemeris | 2017MNRAS.468..835B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5780 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.280 ± 0.070 | dex |
| Stellar mass | 1.121 ± 0.046 | Msun |
| Stellar radius | 1.199 +0.061 −0.081 | Rsun |
| Stellar logarithmic surface gravity | 4.328 ± 0.044 | c.g.s. |
| Stellar mean density | 0.64 +0.14 −0.08 ( 0.90 +0.20 −0.11 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.114 −0.0 | |
| Orbital semimajor axis | 0.03397 ± 0.00047 | AU |
| Planetary mass | 1.470 ± 0.072 ( 467 ± 22 ) | Mjup Mearth |
| Planetary radius | 1.86 +0.30 −0.40 ( 20.8 + 3.4 − 4.5 ) | Rjup Rearth |
| Planetary surface gravity | 10.5 +6.5 −2.5 3.0 +0.2 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.22 +0.23 −0.08 ( 0.29 +0.31 −0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1654 ± 54 | K |
| Reference of detailed study | 2017MNRAS.468..835B |
HATS-23 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)