This page summarises the information held within TEPCat for the transiting planetary system HAT-P-13. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2009ApJ...707..446B | |
| Date of discovery paper | 2009 / 7 / 21 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 08 39 31.81 | h m s |
| Declination | +47 21 07.3 | d m s |
| Right ascension (decimal) | 129.88254 | degrees |
| Declination (decimal) | 47.35203 | degrees |
| V-band apparent magnitude | 10.62 | mag |
| K-band apparent magnitude | 8.97 | mag |
| Transit duration | 0.1345 ( 3.228 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2456316.79044 ± 0.00012 | HJD or BJD |
| Orbital period | 2.91624121 ± 0.00000016 | days |
| Reference for orbital ephemeris | 2024MNRAS.530.2475Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5653 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.41 ± 0.08 | dex |
| Stellar mass | 1.320 ± 0.062 | Msun |
| Stellar radius | 1.756 ± 0.046 | Rsun |
| Stellar logarithmic surface gravity | 4.070 ± 0.020 | c.g.s. |
| Stellar mean density | 0.244 ± 0.013 ( 0.344 ± 0.018 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0133 ± 0.0041 | |
| Orbital semimajor axis | 0.04383 ± 0.00068 | AU |
| Planetary mass | 0.906 ± 0.030 ( 288.01 ± 9.54 ) | Mjup Mearth |
| Planetary radius | 1.487 ± 0.041 ( 16.67 ± 0.46 ) | Rjup Rearth |
| Planetary surface gravity | 10.15 ± 0.43 3.01 ± 0.02 | m/s2 log(cgs) |
| Planetary mean density | 0.257 ± 0.017 ( 0.341 ± 0.023 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1725 ± 31 | K |
| Reference of detailed study | 2012MNRAS.420.2580S |
| Reference | λ (degrees) |
|---|---|
| Winn et al. (2010) | 1.9 ± 8.6 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)