This page summarises the information held within TEPCat for the transiting planetary system HD 260655b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...664A.199L | |
| Date of discovery paper | 2022 / 7 / 13 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 06 37 10.80 | h m s |
| Declination | +17 33 53.3 | d m s |
| Right ascension (decimal) | 99.29500 | degrees |
| Declination (decimal) | 17.56481 | degrees |
| V-band apparent magnitude | 9.77 | mag |
| K-band apparent magnitude | 5.86 | mag |
| Transit duration | 0.0479 ( 1.150 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2459497.9102 ± 0.0003 | HJD or BJD |
| Orbital period | 2.76953 ± 0.00003 | days |
| Reference for orbital ephemeris | 2022A+A...664A.199L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3803 ± 10 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.43 ± 0.04 | dex |
| Stellar mass | 0.439 ± 0.011 | Msun |
| Stellar radius | 0.439 ± 0.003 | Rsun |
| Stellar logarithmic surface gravity | 5.20 ± 0.07 | c.g.s. |
| Stellar mean density | 5.17 +0.33 −0.30 ( 7.29 +0.47 −0.42 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.039 +0.043 −0.023 | |
| Orbital semimajor axis | 0.02933 ± 0.00024 | AU |
| Planetary mass | 0.0067 ± 0.0011 ( 2.13 ± 0.35 ) | Mjup Mearth |
| Planetary radius | 0.1106 ± 0.0021 ( 1.240 ± 0.024 ) | Rjup Rearth |
| Planetary surface gravity | 13.7 ± 2.2 3.14 ± 0.06 | m/s2 log(cgs) |
| Planetary mean density | 4.7 ± 0.8 ( 6.2 ± 1.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 709 ± 4 | K |
| Reference of detailed study | 2022A+A...664A.199L |
HD 260655b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)