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 | 2456194.12204 ± 0.00040 | HJD or BJD |
| Orbital period | 4.2180278 ± 0.0000059 | days |
| Reference for orbital ephemeris | 2015AJ....150..168H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5449 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.270 ± 0.080 | dex |
| Stellar mass | 0.976 ± 0.028 | Msun |
| Stellar radius | 1.041 +0.038 −0.029 | Rsun |
| Stellar logarithmic surface gravity | 4.392 ± 0.027 | c.g.s. |
| Stellar mean density | 0.867 +0.071 −0.096 ( 1.22 +0.10 −0.14 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.123 −0.0 | |
| Orbital semimajor axis | 0.05069 ± 0.00049 | AU |
| Planetary mass | 0.309 ± 0.018 ( 98.2 ± 5.7 ) | Mjup Mearth |
| Planetary radius | 1.293 ± 0.054 ( 14.49 ± 0.61 ) | Rjup Rearth |
| Planetary surface gravity | 4.58 +0.41 −0.51 2.66 +0.04 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.134 ± 0.018 ( 0.178 ± 0.024 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1192 ± 21 | K |
| Reference of detailed study | 2015AJ....150..168H |
HAT-P-51 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/17 John Southworth (Keele University, UK)