This page summarises the information held within TEPCat for the transiting planetary system HATS-77. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022AJ....163..125J | |
| Date of discovery paper | 2021 / 12 / 6 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 09 59 17.66 | h m s |
| Declination | −27 23 34.1 | d m s |
| Right ascension (decimal) | 149.82358 | degrees |
| Declination (decimal) | -27.39281 | degrees |
| V-band apparent magnitude | 16.35 | mag |
| K-band apparent magnitude | 12.93 | mag |
| Transit duration | 0.09282 ( 2.2277 ) | day hour |
| Transit depth | 3.5 | % |
| Time of mid-transit | 2459136.69378 ± 0.00020 | HJD or BJD |
| Orbital period | 3.0876262 ± 0.0000016 | days |
| Reference for orbital ephemeris | 2022AJ....163..125J |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4071 ± 13 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.253 ± 0.039 | dex |
| Stellar mass | 0.655 ± 0.014 | Msun |
| Stellar radius | 0.6428 ± 0.0066 | Rsun |
| Stellar logarithmic surface gravity | 4.638 ± 0.014 | c.g.s. |
| Stellar mean density | 2.47 +0.12 −0.09 ( 3.49 +0.17 −0.13 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.045 −0.0 | |
| Orbital semimajor axis | 0.03607 ± 0.00025 | AU |
| Planetary mass | 1.374 +0.100 −0.074 ( 436 +31 −23 ) | Mjup Mearth |
| Planetary radius | 1.165 ± 0.021 ( 13.06 ± 0.24 ) | Rjup Rearth |
| Planetary surface gravity | 25.0 +2.3 −1.6 3.40 +0.04 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.812 +0.084 −0.061 ( 1.077 +0.111 −0.081 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 828 ± 6 | K |
| Reference of detailed study | 2022AJ....163..125J |
HATS-77 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)