This page summarises the information held within TEPCat for the transiting planetary system HAT-P-15. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2010ApJ...724..866K | |
| Date of discovery paper | 2010 / 5 / 28 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 04 24 59.52 | h m s |
| Declination | +39 27 38.2 | d m s |
| Right ascension (decimal) | 66.24800 | degrees |
| Declination (decimal) | 39.46061 | degrees |
| V-band apparent magnitude | 12.16 | mag |
| K-band apparent magnitude | 9.64 | mag |
| Transit duration | 0.2285 ( 5.484 ) | day hour |
| Transit depth | 1.3 | % |
| Time of mid-transit | 2454638.56019 ± 0.00048 | HJD or BJD |
| Orbital period | 10.863502 ± 0.000037 | days |
| Reference for orbital ephemeris | 2010ApJ...724..866K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5620 ± 20 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.10 | dex |
| Stellar mass | 1.020 +0.066 −0.060 | Msun |
| Stellar radius | 1.092 +0.049 −0.050 | Rsun |
| Stellar logarithmic surface gravity | 4.371 +0.047 −0.045 | c.g.s. |
| Stellar mean density | 1.11 +0.18 −0.15 ( 1.57 +0.25 −0.21 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.200 +0.026 −0.028 | |
| Orbital semimajor axis | 0.0964 ± 0.0014 | AU |
| Planetary mass | 1.946 ± 0.066 ( 618 ± 20 ) | Mjup Mearth |
| Planetary radius | 1.072 ± 0.043 ( 12.02 ± 0.48 ) | Rjup Rearth |
| Planetary surface gravity | 41.7 ± 2.9 3.62 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 1.48 ± 0.17 ( 1.96 ± 0.23 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 904 ± 20 | K |
| Reference of detailed study | 2022A+A...664A.162M |
| Reference | λ (degrees) |
|---|---|
| Mancini et al. (2022) | 13 ± 6 |
Page generated on 2025/03/12 John Southworth (Keele University, UK)