This page summarises the information held within TEPCat for the transiting planetary system K2-34. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2016A+A...594A..50L | |
Date of discovery paper | 2016 / 1 / 29 | y / m / d |
Data/telescope used for discovery | K2 | |
Right ascension | 08 30 18.90 | h m s |
Declination | +22 14 09.3 | d m s |
Right ascension (decimal) | 127.57875 | degrees |
Declination (decimal) | 22.23592 | degrees |
V-band apparent magnitude | 11.45 | mag |
K-band apparent magnitude | 10.19 | mag |
Transit duration | 0.1026 ( 2.462 ) | day hour |
Transit depth | 0.8 | % |
Time of mid-transit | 2457141.35103 ± 0.00043 | HJD or BJD |
Orbital period | 2.9956675 ± 0.0000073 | days |
Reference for orbital ephemeris | 2016A+A...594A..50L |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 6131 ± 47 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.121 ± 0.053 | dex |
Stellar mass | 1.204 ± 0.031 | Msun |
Stellar radius | 1.383 ± 0.046 | Rsun |
Stellar logarithmic surface gravity | 4.236 ± 0.025 | c.g.s. |
Stellar mean density | 0.356 ± 0.044 ( 0.502 ± 0.062 ) | ρsun g cm-3 |
Orbital eccentricity | 0.0 | |
Orbital semimajor axis | 0.04328 ± 0.00037 | AU |
Planetary mass | 1.649 ± 0.098 ( 524 ± 31 ) | Mjup Mearth |
Planetary radius | 1.217 ± 0.053 ( 13.64 ± 0.59 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | 0.92 ± 0.14 ( 1.22 ± 0.19 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 1670 ± 26 | K |
Reference of detailed study | 2016A+A...594A..50L |
Reference | λ (degrees) |
---|---|
Hirano et al. (2016) | −1 + 10 - 9 |
Page generated on 2025/01/01 John Southworth (Keele University, UK)