This page summarises the information held within TEPCat for the transiting planetary system HATS-55. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....158...63E | |
| Date of discovery paper | 2018 / 12 / 20 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 07 37 08.02 | h m s |
| Declination | −32 45 19.5 | d m s |
| Right ascension (decimal) | 114.28342 | degrees |
| Declination (decimal) | -32.75542 | degrees |
| V-band apparent magnitude | 13.47 | mag |
| K-band apparent magnitude | 12.02 | mag |
| Transit duration | 0.1160 ( 2.784 ) | day hour |
| Transit depth | 1.4 | % |
| Time of mid-transit | 2457413.13042 ± 0.00051 | HJD or BJD |
| Orbital period | 4.2042001 ± 0.0000033 | days |
| Reference for orbital ephemeris | 2019AJ....158...63E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6095 ± 92 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.220 ± 0.049 | dex |
| Stellar mass | 1.196 +0.009 −0.012 | Msun |
| Stellar radius | 1.126 ± 0.011 | Rsun |
| Stellar logarithmic surface gravity | 4.412 ± 0.007 | c.g.s. |
| Stellar mean density | 0.836 ± 0.021 ( 1.180 ± 0.030 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.092 −0.0 | |
| Orbital semimajor axis | 0.05412 +0.00014 −0.00018 | AU |
| Planetary mass | 0.921 ± 0.076 ( 292 ± 24 ) | Mjup Mearth |
| Planetary radius | 1.251 ± 0.026 ( 14.02 ± 0.29 ) | Rjup Rearth |
| Planetary surface gravity | 14.6 +1.5 −1.3 3.16 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.443 ± 0.047 ( 0.588 ± 0.062 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1367 ± 10 | K |
| Reference of detailed study | 2019AJ....158...63E |
HATS-55 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)