This page summarises the information held within TEPCat for the transiting planetary system XO-3. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2008ApJ...677..657J | |
| Date of discovery paper | 2007 / 10 / 17 | y / m / d |
| Data/telescope used for discovery | XO | |
| Right ascension | 04 21 52.70 | h m s |
| Declination | +57 49 01.9 | d m s |
| Right ascension (decimal) | 65.46958 | degrees |
| Declination (decimal) | 57.81719 | degrees |
| V-band apparent magnitude | 9.91 | mag |
| K-band apparent magnitude | 8.79 | mag |
| Transit duration | 0.12334 ( 2.9602 ) | day hour |
| Transit depth | 0.84 | % |
| Time of mid-transit | 2454721.14865 ± 0.00014 | HJD or BJD |
| Orbital period | 3.191526 ± 0.00000005 | days |
| Reference for orbital ephemeris | 2022ExA....53..547K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6471 +83 −82 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.18 ± 0.08 | dex |
| Stellar mass | 1.219 +0.090 −0.095 | Msun |
| Stellar radius | 1.371 +0.041 −0.042 | Rsun |
| Stellar logarithmic surface gravity | 4.249 +0.017 −0.018 | c.g.s. |
| Stellar mean density | 0.471 +0.023 −0.021 ( 0.665 +0.032 −0.030 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.2853 +0.0027 −0.0026 | |
| Orbital semimajor axis | 0.0455 +0.0011 −0.0012 | AU |
| Planetary mass | 11.92 +0.59 −0.63 ( 37892 +1876 −2003 ) | Mjup Mearth |
| Planetary radius | 1.219 +0.039 −0.040 ( 13.66 + 0.44 − 0.45 ) | Rjup Rearth |
| Planetary surface gravity | 1986 +8.4 −7.2 5.298 +0.002 −0.002 | m/s2 log(cgs) |
| Planetary mean density | 6.14 +0.41 −0.38 ( 8.14 +0.54 −0.50 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1714 ± 26 | K |
| Reference of detailed study | 2022AJ....163..158W |
| Reference | λ (degrees) |
|---|---|
| Hébrard et al. (2008) | 70 ± 15 |
| Winn et al. (2009) | 37.3 ± 3.7 |
| Hirano et al. (2011) | 37.3 ± 3.0 |
Page generated on 2024/09/04 John Southworth (Keele University, UK)