This page summarises the information held within TEPCat for the transiting planetary system HAT-P-50. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015AJ....150..168H | |
| Date of discovery paper | 2015 / 3 / 17 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 07 52 15.20 | h m s |
| Declination | +12 08 21.9 | d m s |
| Right ascension (decimal) | 118.06333 | degrees |
| Declination (decimal) | 12.13942 | degrees |
| V-band apparent magnitude | 11.76 | mag |
| K-band apparent magnitude | 10.50 | mag |
| Transit duration | 0.1531 ( 3.674 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2456285.91105 ± 0.00060 | HJD or BJD |
| Orbital period | 3.1220045 ± 0.0000007 | days |
| Reference for orbital ephemeris | arXiv:2312.03319 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6280 ± 49 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.180 ± 0.080 | dex |
| Stellar mass | 1.273 +0.049 −0.115 | Msun |
| Stellar radius | 1.698 ± 0.071 | Rsun |
| Stellar logarithmic surface gravity | 4.072 ± 0.037 | c.g.s. |
| Stellar mean density | 0.253 ± 0.026 ( 0.357 ± 0.037 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.115 −0.0 | |
| Orbital semimajor axis | 0.04530 +0.00058 −0.00140 | AU |
| Planetary mass | 1.350 ± 0.073 ( 429 ± 23 ) | Mjup Mearth |
| Planetary radius | 1.288 ± 0.064 ( 14.44 ± 0.72 ) | Rjup Rearth |
| Planetary surface gravity | 20.0 +1.8 −1.7 3.30 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.59 ± 0.08 ( 0.78 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1862 ± 34 | K |
| Reference of detailed study | 2015AJ....150..168H |
| Reference | λ (degrees) |
|---|---|
| Zak et al. (2025) | 41 + 10 - 9 |
Page generated on 2025/11/11 John Southworth (Keele University, UK)