This page summarises the information held within TEPCat for the transiting planetary system HAT-P-52. 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 | 02 50 53.20 | h m s |
| Declination | +29 01 20.6 | d m s |
| Right ascension (decimal) | 42.72167 | degrees |
| Declination (decimal) | 29.02239 | degrees |
| V-band apparent magnitude | 14.07 | mag |
| K-band apparent magnitude | 11.62 | mag |
| Transit duration | 0.1003 ( 2.407 ) | day hour |
| Transit depth | 1.8 | % |
| Time of mid-transit | 2456645.13981 ± 0.00032 | HJD or BJD |
| Orbital period | 2.7535965 ± 0.0000011 | days |
| Reference for orbital ephemeris | 2019A+A...622A..81M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5131 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.280 ± 0.080 | dex |
| Stellar mass | 0.887 ± 0.027 | Msun |
| Stellar radius | 0.893 ± 0.047 | Rsun |
| Stellar logarithmic surface gravity | 4.483 ± 0.051 | c.g.s. |
| Stellar mean density | 1.24 ± 0.21 ( 1.75 ± 0.30 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.047 −0.0 | |
| Orbital semimajor axis | 0.03694 ± 0.00038 | AU |
| Planetary mass | 0.818 ± 0.029 ( 260.03 ± 9.22 ) | Mjup Mearth |
| Planetary radius | 1.009 ± 0.072 ( 11.31 ± 0.81 ) | Rjup Rearth |
| Planetary surface gravity | 19.8 +3.2 −2.7 3.30 +0.07 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.74 ± 0.16 ( 0.98 ± 0.21 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1218 ± 37 | K |
| Reference of detailed study | 2015AJ....150..168H |
HAT-P-52 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)