This page summarises the information held within TEPCat for the transiting planetary system XO-7. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....159...44C | |
| Date of discovery paper | 2019 / 12 / 9 | y / m / d |
| Data/telescope used for discovery | XO | |
| Right ascension | 18 29 54.93 | h m s |
| Declination | +85 13 59.6 | d m s |
| Right ascension (decimal) | 277.47888 | degrees |
| Declination (decimal) | 85.23322 | degrees |
| V-band apparent magnitude | 10.52 | mag |
| K-band apparent magnitude | 9.24 | mag |
| Transit duration | 0.1155 ( 2.772 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2457917.47508 ± 0.00041 | HJD or BJD |
| Orbital period | 2.8641362 ± 0.0000010 | days |
| Reference for orbital ephemeris | 2022AcA....72....1M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6250 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.432 ± 0.057 | dex |
| Stellar mass | 1.405 ± 0.059 | Msun |
| Stellar radius | 1.480 ± 0.022 | Rsun |
| Stellar logarithmic surface gravity | 4.246 ± 0.023 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.038 ± 0.033 | |
| Orbital semimajor axis | 0.04421 ± 0.00062 | AU |
| Planetary mass | 0.709 ± 0.034 ( 225 ± 10 ) | Mjup Mearth |
| Planetary radius | 1.373 ± 0.026 ( 15.39 ± 0.29 ) | Rjup Rearth |
| Planetary surface gravity | 9.33 +0.62 −0.58 2.97 +0.03 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.256 ± 0.020 ( 0.340 ± 0.027 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1743 ± 23 | K |
| Reference of detailed study | 2020AJ....159...44C |
XO-7 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)