This page summarises the information held within TEPCat for the transiting planetary system HAT-P-3. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2007ApJ...666L.121T | |
| Date of discovery paper | 2007 / 6 / 14 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 13 44 22.59 | h m s |
| Declination | +48 01 43.2 | d m s |
| Right ascension (decimal) | 206.09412 | degrees |
| Declination (decimal) | 48.02867 | degrees |
| V-band apparent magnitude | 11.86 | mag |
| K-band apparent magnitude | 9.45 | mag |
| Transit duration | 0.08646 ( 2.0750 ) | day hour |
| Transit depth | 1.5 | % |
| Time of mid-transit | 2457150.39472 ± 0.00058 | HJD or BJD |
| Orbital period | 2.89973838 ± 0.00000027 | days |
| Reference for orbital ephemeris | 2018A+A...613A..41M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5190 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.08 | dex |
| Stellar mass | 0.925 ± 0.045 | Msun |
| Stellar radius | 0.850 ± 0.023 | Rsun |
| Stellar logarithmic surface gravity | 4.545 ± 0.023 | c.g.s. |
| Stellar mean density | 1.51 ± 0.11 ( 2.13 ± 0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03878 ± 0.00065 | AU |
| Planetary mass | 0.595 ± 0.024 ( 189.14 ± 7.63 ) | Mjup Mearth |
| Planetary radius | 0.911 ± 0.034 ( 10.21 ± 0.38 ) | Rjup Rearth |
| Planetary surface gravity | 17.8 ± 1.2 3.25 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.735 ± 0.075 ( 0.975 ± 0.099 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1170 ± 17 | K |
| Reference of detailed study | 2018A+A...613A..41M |
| Reference | λ (degrees) |
|---|---|
| Mancini et al. (2018) | 21.2 ± 8.7 |
| Bourrier et al. (2023) | −25.3 + 29.4 - 22.8 |
Page generated on 2024/09/10 John Southworth (Keele University, UK)