This page summarises the information held within TEPCat for the transiting planetary system Kepler-1704. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....162..154D | |
| Date of discovery paper | 2021 / 7 / 16 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 24 48.30 | h m s |
| Declination | +51 08 39.4 | d m s |
| Right ascension (decimal) | 291.20125 | degrees |
| Declination (decimal) | 51.14428 | degrees |
| V-band apparent magnitude | 13.39 | mag |
| K-band apparent magnitude | 11.79 | mag |
| Transit duration | 0.2502 ( 6.005 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2455072.22337 ± 0.00064 | HJD or BJD |
| Orbital period | 988.88112 ± 0.00091 | days |
| Reference for orbital ephemeris | 2022AJ....164..264D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5772 ± 115 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.20 ± 0.06 | dex |
| Stellar mass | 1.131 +0.040 −0.051 | Msun |
| Stellar radius | 1.697 +0.058 −0.059 | Rsun |
| Stellar logarithmic surface gravity | 4.031 ± 0.032 | c.g.s. |
| Stellar mean density | 0.230 +0.026 −0.023 ( 0.325 +0.037 −0.032 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.921 +0.010 −0.015 | |
| Orbital semimajor axis | 2.026 +0.021 −0.034 | AU |
| Planetary mass | 4.15 ± 0.29 ( 1319 ± 92 ) | Mjup Mearth |
| Planetary radius | 1.065 +0.043 −0.041 ( 11.94 + 0.48 − 0.46 ) | Rjup Rearth |
| Planetary surface gravity | 86.5 +8.1 −7.6 3.94 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 3.06 +0.41 −0.36 ( 4.06 +0.54 −0.48 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 254 ± 4 | K |
| Reference of detailed study | 2021AJ....162..154D |
Kepler-1704 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)