This page summarises the information held within TEPCat for the transiting planetary system HAT-P-51. 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 | 01 24 15.66 | h m s |
| Declination | +32 48 38.8 | d m s |
| Right ascension (decimal) | 21.06525 | degrees |
| Declination (decimal) | 32.81078 | degrees |
| V-band apparent magnitude | 13.44 | mag |
| K-band apparent magnitude | 11.61 | mag |
| Transit duration | 0.1403 ( 3.367 ) | day hour |
| Transit depth | 2.0 | % |
| Time of mid-transit | 2458349.53123 ± 0.00014 | HJD or BJD |
| Orbital period | 4.21802091 ± 0.00000066 | days |
| Reference for orbital ephemeris | 2024MNRAS.528.1930K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5453 +31 −32 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.302 +0.052 −0.059 | dex |
| Stellar mass | 0.961 +0.040 −0.036 | Msun |
| Stellar radius | 0.995 ± 0.013 | Rsun |
| Stellar logarithmic surface gravity | 4.4256 +0.0069 −0.0073 | c.g.s. |
| Stellar mean density | 0.978 +0.009 −0.014 ( 1.380 +0.013 −0.020 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.123 −0.0 | |
| Orbital semimajor axis | 0.05042 +0.00068 −0.00065 | AU |
| Planetary mass | 0.307 +0.021 −0.020 ( 97.6 +6.7 −6.4 ) | Mjup Mearth |
| Planetary radius | 1.205 +0.017 −0.016 ( 13.51 + 0.19 − 0.18 ) | Rjup Rearth |
| Planetary surface gravity | 5.25 +0.33 −0.32 2.72 +0.03 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.164 ± 0.011 ( 0.218 ± 0.015 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1168 ± 7 | K |
| Reference of detailed study | 2024MNRAS.528.1930K |
HAT-P-51 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)