This page summarises the information held within TEPCat for the transiting planetary system V1298 Tau c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019ApJ...885L..12D | |
| Date of discovery paper | 2019 / 2 / 27 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 04 05 19.59 | h m s |
| Declination | +20 09 25.6 | d m s |
| Right ascension (decimal) | 61.33163 | degrees |
| Declination (decimal) | 20.15711 | degrees |
| V-band apparent magnitude | 10.12 | mag |
| K-band apparent magnitude | 8.09 | mag |
| Transit duration | 0.2011 ( 4.826 ) | day hour |
| Transit depth | 0.15 | % |
| Time of mid-transit | 2457064.2822 ± 0.0022 | HJD or BJD |
| Orbital period | 8.248720 ± 0.000024 | days |
| Reference for orbital ephemeris | 2023AJ....165..250S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5050 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.10 ± 0.15 | dex |
| Stellar mass | 1.157 +0.057 −0.058 | Msun |
| Stellar radius | 1.355 +0.032 −0.030 | Rsun |
| Stellar logarithmic surface gravity | 4.246 ± 0.034 | c.g.s. |
| Stellar mean density | 0.494 ± 0.053 ( 0.697 ± 0.075 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.43 −0.0 | |
| Orbital semimajor axis | 0.0839 ± 0.0014 | AU |
| Planetary mass | 0.062 +0.029 −0.028 ( 19.7 +9.2 −8.9 ) | Mjup Mearth |
| Planetary radius | 0.467 ± 0.021 ( 5.23 ± 0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.57 +0.29 −0.26 ( 0.76 +0.38 −0.34 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 979 ± 21 | K |
| Reference of detailed study | 2023AJ....165..250S |
| Reference | λ (degrees) |
|---|---|
| Feinstein et al. (2021) | 4.9 + 15.0 - 15.1 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)