This page summarises the information held within TEPCat for the transiting planetary system Kepler-77. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2013A+A...557A..74G | |
| Date of discovery paper | 2013 / 5 / 17 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 18 25.91 | h m s |
| Declination | +44 20 43.5 | d m s |
| Right ascension (decimal) | 289.60796 | degrees |
| Declination (decimal) | 44.34542 | degrees |
| V-band apparent magnitude | 14.10 | mag |
| K-band apparent magnitude | 12.36 | mag |
| Transit duration | 0.12224 ( 2.9338 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2455095.865727 ± 0.000029 | HJD or BJD |
| Orbital period | 3.57878087 ± 0.00000023 | days |
| Reference for orbital ephemeris | 2013A+A...557A..74G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5520 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.20 ± 0.05 | dex |
| Stellar mass | 0.95 ± 0.04 | Msun |
| Stellar radius | 0.99 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.42 ± 0.01 | c.g.s. |
| Stellar mean density | 0.967 ± 0.016 ( 1.364 ± 0.023 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.21 −0.0 | |
| Orbital semimajor axis | 0.04501 ± 0.00063 | AU |
| Planetary mass | 0.430 ± 0.032 ( 136 ± 10 ) | Mjup Mearth |
| Planetary radius | 0.960 ± 0.016 ( 10.76 ± 0.18 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.455 ± 0.041 ( 0.604 ± 0.054 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1440 +100 −120 | K |
| Reference of detailed study | 2013A+A...557A..74G |
Kepler-77 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)