This page summarises the information held within TEPCat for the transiting planetary system HAT-P-26. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011ApJ...728..138H | |
| Date of discovery paper | 2010 / 10 / 7 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 14 12 37.54 | h m s |
| Declination | +04 03 36.1 | d m s |
| Right ascension (decimal) | 213.15642 | degrees |
| Declination (decimal) | 4.06003 | degrees |
| V-band apparent magnitude | 11.74 | mag |
| K-band apparent magnitude | 9.58 | mag |
| Transit duration | 0.1023 ( 2.455 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2455304.652182 ± 0.000032 | HJD or BJD |
| Orbital period | 4.23450158 ± 0.00000018 | days |
| Reference for orbital ephemeris | 2022A+A...664A.162M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5100 ± 20 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.05 ± 0.10 | dex |
| Stellar mass | 0.796 ± 0.030 | Msun |
| Stellar radius | 0.916 ± 0.063 | Rsun |
| Stellar logarithmic surface gravity | 4.416 ± 0.063 | c.g.s. |
| Stellar mean density | 1.04 ± 0.22 ( 1.47 ± 0.31 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.124 ± 0.060 | |
| Orbital semimajor axis | 0.04748 ± 0.00060 | AU |
| Planetary mass | 0.0577 ± 0.0070 ( 18.3 ± 2.2 ) | Mjup Mearth |
| Planetary radius | 0.652 ± 0.055 ( 7.31 ± 0.62 ) | Rjup Rearth |
| Planetary surface gravity | 3.37 ± 0.69 2.53 ± 0.08 | m/s2 log(cgs) |
| Planetary mean density | 0.195 ± 0.055 ( 0.259 ± 0.073 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1080 ± 39 | K |
| Reference of detailed study | 2022A+A...664A.162M |
HAT-P-26 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)