This page summarises the information held within TEPCat for the transiting planetary system HATS-1. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2013AJ....145....5P | |
| Date of discovery paper | 2012 / 6 / 8 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 11 42 06.08 | h m s |
| Declination | −23 21 17.4 | d m s |
| Right ascension (decimal) | 175.52533 | degrees |
| Declination (decimal) | -23.35483 | degrees |
| V-band apparent magnitude | 12.05 | mag |
| K-band apparent magnitude | 10.58 | mag |
| Transit duration | 0.1007 ( 2.417 ) | day hour |
| Transit depth | 1.7 | % |
| Time of mid-transit | 2455241.28722 ± 0.00071 | HJD or BJD |
| Orbital period | 3.446459 ± 0.000004 | days |
| Reference for orbital ephemeris | 2013AJ....145....5P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5870 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.06 ± 0.12 | dex |
| Stellar mass | 0.986 ± 0.054 | Msun |
| Stellar radius | 1.038 +0.128 −0.075 | Rsun |
| Stellar logarithmic surface gravity | 4.40 ± 0.08 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.120 ± 0.092 | |
| Orbital semimajor axis | 0.0444 ± 0.0008 | AU |
| Planetary mass | 1.855 +0.262 −0.196 ( 589 +83 −62 ) | Mjup Mearth |
| Planetary radius | 1.302 +0.162 −0.098 ( 14.6 + 1.8 − 1.1 ) | Rjup Rearth |
| Planetary surface gravity | 26 ± 4 3.41 ± 0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.78 ± 0.19 ( 1.03 ± 0.25 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1359 +89 −59 | K |
| Reference of detailed study | 2013AJ....145....5P |
HATS-1 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)