This page summarises the information held within TEPCat for the transiting planetary system HAT-P-47. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1606.04556 | |
| Date of discovery paper | 2016 / 6 / 16 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 02 33 13.97 | h m s |
| Declination | +30 21 37.8 | d m s |
| Right ascension (decimal) | 38.30821 | degrees |
| Declination (decimal) | 30.36050 | degrees |
| V-band apparent magnitude | 10.69 | mag |
| K-band apparent magnitude | 9.40 | mag |
| Transit duration | 0.1287 ( 3.089 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2455661.63669 ± 0.00041 | HJD or BJD |
| Orbital period | 4.732182 ± 0.000013 | days |
| Reference for orbital ephemeris | arXiv:1606.04556 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6703 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.0 ± 0.08 | dex |
| Stellar mass | 1.387 ± 0.038 | Msun |
| Stellar radius | 1.515 ± 0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.22 ± 0.02 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 +0.202 −0.0 | |
| Orbital semimajor axis | 0.0615 ± 0.0006 | AU |
| Planetary mass | 0.206 ± 0.039 ( 65 ± 12 ) | Mjup Mearth |
| Planetary radius | 1.313 ± 0.045 ( 14.72 ± 0.50 ) | Rjup Rearth |
| Planetary surface gravity | 2.95 +0.52 −0.66 2.47 +0.07 −0.11 | m/s2 log(cgs) |
| Planetary mean density | 0.083 ± 0.015 ( 0.110 ± 0.020 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1605 ± 22 | K |
| Reference of detailed study | arXiv:1606.04556 |
HAT-P-47 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)