This page summarises the information held within TEPCat for the transiting planetary system HAT-P-39. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012AJ....144..139H | |
| Date of discovery paper | 2012 / 7 / 16 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 07 35 01.97 | h m s |
| Declination | +17 49 48.3 | d m s |
| Right ascension (decimal) | 113.75821 | degrees |
| Declination (decimal) | 17.83008 | degrees |
| V-band apparent magnitude | 12.42 | mag |
| K-band apparent magnitude | 11.16 | mag |
| Transit duration | 0.1745 ( 4.188 ) | day hour |
| Transit depth | 1.1 | % |
| Time of mid-transit | 2455208.7504 ± 0.0012 | HJD or BJD |
| Orbital period | 3.5438744 ± 0.0000010 | days |
| Reference for orbital ephemeris | arXiv:2312.03319 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6340 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.19 ± 0.10 | dex |
| Stellar mass | 1.404 ± 0.051 | Msun |
| Stellar radius | 1.625 +0.081 −0.062 | Rsun |
| Stellar logarithmic surface gravity | 4.16 ± 0.03 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0509 ± 0.0006 | AU |
| Planetary mass | 0.599 ± 0.099 ( 190 ± 31 ) | Mjup Mearth |
| Planetary radius | 1.571 +0.108 −0.081 ( 17.61 + 1.21 − 0.91 ) | Rjup Rearth |
| Planetary surface gravity | 5.9 ± 1.3 2.77 ± 0.09 | m/s2 log(cgs) |
| Planetary mean density | 0.14 ± 0.03 ( 0.186 ± 0.040 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1752 ± 43 | K |
| Reference of detailed study | 2012AJ....144..139H |
HAT-P-39 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)