This page summarises the information held within TEPCat for the transiting planetary system HATS-28. 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 | 18 57 36.00 | h m s |
| Declination | −49 08 18.5 | d m s |
| Right ascension (decimal) | 284.40000 | degrees |
| Declination (decimal) | -49.13847 | degrees |
| V-band apparent magnitude | 13.93 | mag |
| K-band apparent magnitude | 12.09 | mag |
| Transit duration | 0.0981 ( 2.354 ) | day hour |
| Transit depth | 2.1 | % |
| Time of mid-transit | 2457034.28300 ± 0.00046 | HJD or BJD |
| Orbital period | 3.1810781 ± 0.0000039 | days |
| Reference for orbital ephemeris | 2016AJ....152..108E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5498 ± 84 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.010 ± 0.060 | dex |
| Stellar mass | 0.929 ± 0.036 | Msun |
| Stellar radius | 0.922 ± 0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.476 ± 0.039 | c.g.s. |
| Stellar mean density | 1.19 ± 0.19 ( 1.68 ± 0.27 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.202 −0.0 | |
| Orbital semimajor axis | 0.04131 ± 0.00053 | AU |
| Planetary mass | 0.672 ± 0.087 ( 213 ± 27 ) | Mjup Mearth |
| Planetary radius | 1.194 ± 0.070 ( 13.38 ± 0.78 ) | Rjup Rearth |
| Planetary surface gravity | 11.6 +2.2 −1.9 3.06 +0.08 −0.08 | m/s2 log(cgs) |
| Planetary mean density | 0.36 ± 0.08 ( 0.48 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1253 ± 35 | K |
| Reference of detailed study | 2016AJ....152..108E |
HATS-28 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)