This page summarises the information held within TEPCat for the transiting planetary system KOI-4777. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022AJ....163....3C | |
| Date of discovery paper | 2021 / 12 / 9 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 09 02.92 | h m s |
| Declination | +42 01 56.0 | d m s |
| Right ascension (decimal) | 287.26217 | degrees |
| Declination (decimal) | 42.03222 | degrees |
| V-band apparent magnitude | 16.92 | mag |
| K-band apparent magnitude | 12.45 | mag |
| Transit duration | 0.030 ( 0.72 ) | day hour |
| Transit depth | 0.015 | % |
| Time of mid-transit | 2454965.219 ± 0.002 | HJD or BJD |
| Orbital period | 0.412000 ± 0.000001 | days |
| Reference for orbital ephemeris | 2022AJ....163....3C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3515 ± 69 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.1 ± 0.1 | dex |
| Stellar mass | 0.41 ± 0.02 | Msun |
| Stellar radius | 0.40 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | 4.77 ± 0.04 | c.g.s. |
| Stellar mean density | 6.3 ± 0.4 ( 8.89 ± 0.56 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0080 ± 0.0003 | AU |
| Planetary mass | 0.0 +0.31 −0.0 ( 0 +98 −0 ) | Mjup Mearth |
| Planetary radius | 0.046 ± 0.003 ( 0.516 ± 0.034 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1180 ± 20 | K |
| Reference of detailed study | 2022AJ....163....3C |
KOI-4777 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)