This page summarises the information held within TEPCat for the transiting planetary system Ross 176. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025A+A...700A.216G | |
| Date of discovery paper | 2025 / 7 / 22 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 20 22 45.54 | h m s |
| Declination | +47 18 31.0 | d m s |
| Right ascension (decimal) | 305.68975 | degrees |
| Declination (decimal) | 47.30861 | degrees |
| V-band apparent magnitude | 11.89 | mag |
| K-band apparent magnitude | 8.42 | mag |
| Transit duration | 0.08 ( 1.9 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2459829.7627 ± 0.0008 | HJD or BJD |
| Orbital period | 5.0066338 ± 0.0000008 | days |
| Reference for orbital ephemeris | 2025A+A...700A.216G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4041 ± 69 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.19 ± 0.02 | dex |
| Stellar mass | 0.577 ± 0.024 | Msun |
| Stellar radius | 0.569 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 5.07 ± 0.04 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.25 ± 0.04 | |
| Orbital semimajor axis | 0.0464 +0.0012 −0.0010 | AU |
| Planetary mass | 0.0144 +0.0028 −0.0029 ( 4.58 +0.89 −0.92 ) | Mjup Mearth |
| Planetary radius | 0.164 ± 0.007 ( 1.838 ± 0.078 ) | Rjup Rearth |
| Planetary surface gravity | 13.2 ± 2.9 3.12 ± 0.09 | m/s2 log(cgs) |
| Planetary mean density | 3.04 +0.37 −0.61 ( 4.03 +0.49 −0.81 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 682 +7 −8 | K |
| Reference of detailed study | 2025A+A...700A.216G |
Ross 176 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)