This page summarises the information held within TEPCat for the transiting planetary system TOI-561b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021MNRAS.501.4148L | |
| Date of discovery paper | 2020 / 9 / 8 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 09 52 44.44 | h m s |
| Declination | +06 12 58.0 | d m s |
| Right ascension (decimal) | 148.18517 | degrees |
| Declination (decimal) | 6.21611 | degrees |
| V-band apparent magnitude | 10.25 | mag |
| K-band apparent magnitude | 8.39 | mag |
| Transit duration | 0.0545 ( 1.308 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2459317.75002 ± 0.00041 | HJD or BJD |
| Orbital period | 0.4465697 ± 0.0000003 | days |
| Reference for orbital ephemeris | 2024MNRAS.535.2763P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5372 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.40 ± 0.05 | dex |
| Stellar mass | 0.806 ± 0.036 | Msun |
| Stellar radius | 0.843 ± 0.005 | Rsun |
| Stellar logarithmic surface gravity | 4.47 ± 0.01 | c.g.s. |
| Stellar mean density | 1.34 ± 0.06 ( 1.891 ± 0.085 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01064 ± 0.00016 | AU |
| Planetary mass | 0.0064 ± 0.0007 ( 2.03 ± 0.22 ) | Mjup Mearth |
| Planetary radius | 0.1246 ± 0.0024 ( 1.397 ± 0.027 ) | Rjup Rearth |
| Planetary surface gravity | 10.1 ± 1.2 3.00 ± 0.05 | m/s2 log(cgs) |
| Planetary mean density | 3.09 ± 0.38 ( 4.10 ± 0.50 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2319 ± 34 | K |
| Reference of detailed study | 2024MNRAS.535.2763P |
TOI-561b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)