This page summarises the information held within TEPCat for the transiting planetary system HD 137496. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...657A..68A | |
| Date of discovery paper | 2021 / 11 / 18 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 15 26 58.07 | h m s |
| Declination | −16 30 31.7 | d m s |
| Right ascension (decimal) | 231.74196 | degrees |
| Declination (decimal) | -16.50881 | degrees |
| V-band apparent magnitude | 10.00 | mag |
| K-band apparent magnitude | 8.24 | mag |
| Transit duration | 0.137 ( 3.29 ) | day hour |
| Transit depth | 0.006 | % |
| Time of mid-transit | 2458039.1317 ± 0.0029 | HJD or BJD |
| Orbital period | 1.62116 ± 0.000080 | days |
| Reference for orbital ephemeris | 2022A+A...657A..68A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5799 ± 61 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.03 ± 0.04 | dex |
| Stellar mass | 1.04 ± 0.02 | Msun |
| Stellar radius | 1.59 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.05 ± 0.1 | c.g.s. |
| Stellar mean density | 0.184 ± 0.010 ( 0.260 ± 0.014 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.02732 ± 0.00019 | AU |
| Planetary mass | 0.0127 ± 0.0017 ( 4.04 ± 0.54 ) | Mjup Mearth |
| Planetary radius | 0.117 +0.005 −0.004 ( 1.311 +0.056 −0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 7.9 +1.6 −1.4 ( 10.5 + 2.1 − 1.9 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2130 +30 −29 | K |
| Reference of detailed study | 2022A+A...657A..68A |
HD 137496 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)