This page summarises the information held within TEPCat for the transiting planetary system HD 2685. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019A+A...625A..16J | |
| Date of discovery paper | 2018 / 11 / 14 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 00 29 18.95 | h m s |
| Declination | −76 18 14.6 | d m s |
| Right ascension (decimal) | 7.32896 | degrees |
| Declination (decimal) | -76.30406 | degrees |
| V-band apparent magnitude | 9.59 | mag |
| K-band apparent magnitude | 8.60 | mag |
| Transit duration | 0.18 ( 4.3 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2458325.78366 ± 0.00015 | HJD or BJD |
| Orbital period | 4.1269052 ± 0.0000011 | days |
| Reference for orbital ephemeris | 2022AcA....72....1M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6801 ± 56 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.02 ± 0.03 | dex |
| Stellar mass | 1.44 ± 0.02 | Msun |
| Stellar radius | 1.57 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | 4.22 ± 0.01 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0568 +0.0003 −0.0002 | AU |
| Planetary mass | 1.18 ± 0.09 ( 375 ± 28 ) | Mjup Mearth |
| Planetary radius | 1.44 ± 0.01 ( 16.14 ± 0.11 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 2061 ± 21 | K |
| Reference of detailed study | 2019A+A...625A..16J |
HD 2685 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)