This page summarises the information held within TEPCat for the transiting planetary system HD 202772. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....157...51W | |
| Date of discovery paper | 2018 / 10 / 5 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 21 18 47.90 | h m s |
| Declination | −26 36 59.0 | d m s |
| Right ascension (decimal) | 319.69958 | degrees |
| Declination (decimal) | -26.61639 | degrees |
| V-band apparent magnitude | 8.32 | mag |
| K-band apparent magnitude | 7.15 | mag |
| Transit duration | 0.2346 ( 5.630 ) | day hour |
| Transit depth | 0.38 | % |
| Time of mid-transit | 2458338.61047 ± 0.00024 | HJD or BJD |
| Orbital period | 3.308958 ± 0.000083 | days |
| Reference for orbital ephemeris | 2019AJ....157...51W |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6272 +71 −77 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.30 ± 0.06 | dex |
| Stellar mass | 1.720 +0.064 −0.066 | Msun |
| Stellar radius | 2.591 +0.078 −0.053 | Rsun |
| Stellar logarithmic surface gravity | 3.848 +0.030 −0.027 | c.g.s. |
| Stellar mean density | 0.099 +0.011 −0.009 ( 0.140 +0.016 −0.013 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.038 +0.042 −0.027 | |
| Orbital semimajor axis | 0.05208 +0.00064 −0.00068 | AU |
| Planetary mass | 1.017 +0.070 −0.068 ( 323 +22 −21 ) | Mjup Mearth |
| Planetary radius | 1.545 +0.052 −0.060 ( 17.32 + 0.58 − 0.67 ) | Rjup Rearth |
| Planetary surface gravity | 10.6 +1.0 −0.8 3.03 +0.04 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.259 +0.032 −0.026 ( 0.344 +0.042 −0.034 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2132 +28 −30 | K |
| Reference of detailed study | 2019AJ....157...51W |
HD 202772 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)