This page summarises the information held within TEPCat for the transiting planetary system HATS-27. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016AJ....152..108E | |
| Date of discovery paper | 2016 / 6 / 2 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 12 54 12.60 | h m s |
| Declination | −46 35 15.8 | d m s |
| Right ascension (decimal) | 193.55250 | degrees |
| Declination (decimal) | -46.58772 | degrees |
| V-band apparent magnitude | 12.77 | mag |
| K-band apparent magnitude | 11.55 | mag |
| Transit duration | 0.2013 ( 4.831 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2457029.3374 ± 0.0011 | HJD or BJD |
| Orbital period | 4.637038 ± 0.000014 | days |
| Reference for orbital ephemeris | 2016AJ....152..108E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6438 ± 64 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.090 ± 0.040 | dex |
| Stellar mass | 1.415 ± 0.048 | Msun |
| Stellar radius | 1.74 +0.17 −0.10 | Rsun |
| Stellar logarithmic surface gravity | 4.107 ± 0.049 | c.g.s. |
| Stellar mean density | 0.269 ± 0.045 ( 0.380 ± 0.063 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.581 −0.0 | |
| Orbital semimajor axis | 0.06110 ± 0.00068 | AU |
| Planetary mass | 0.53 ± 0.13 ( 168 ± 41 ) | Mjup Mearth |
| Planetary radius | 1.50 +0.20 −0.11 ( 16.8 + 2.2 − 1.2 ) | Rjup Rearth |
| Planetary surface gravity | 5.6 +2.3 −1.6 2.7 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.136 ± 0.063 ( 0.180 ± 0.084 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1659 +66 −46 | K |
| Reference of detailed study | 2016AJ....152..108E |
HATS-27 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)