This page summarises the information held within TEPCat for the transiting planetary system HAT-P-16. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2010ApJ...720.1118B | |
| Date of discovery paper | 2010 / 5 / 12 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 00 38 17.56 | h m s |
| Declination | +42 27 47.0 | d m s |
| Right ascension (decimal) | 9.57317 | degrees |
| Declination (decimal) | 42.46306 | degrees |
| V-band apparent magnitude | 10.8 | mag |
| K-band apparent magnitude | 9.55 | mag |
| Transit duration | 0.1276 ( 3.062 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2456204.604299 ± 0.000069 | HJD or BJD |
| Orbital period | 2.77596727 ± 0.00000009 | days |
| Reference for orbital ephemeris | 2024MNRAS.530.2475Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6110 ± 67 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.18 ± 0.07 | dex |
| Stellar mass | 1.22 ± 0.03 | Msun |
| Stellar radius | 1.25 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | 4.33 ± 0.01 | c.g.s. |
| Stellar mean density | 0.63 ± 0.01 ( 0.889 ± 0.014 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.035 ± 0.003 | |
| Orbital semimajor axis | 0.0413 ± 0.0003 | AU |
| Planetary mass | 4.18 +0.07 −0.078 ( 1328 +22 −24 ) | Mjup Mearth |
| Planetary radius | 1.30 ± 0.01 ( 14.57 ± 0.11 ) | Rjup Rearth |
| Planetary surface gravity | 61.7 ± 1.4 3.790 ± 0.010 | m/s2 log(cgs) |
| Planetary mean density | 1.77 ± 0.03 ( 2.348 ± 0.040 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1617 ± 18 | K |
| Reference of detailed study | 2025AJ....170..341S |
| Reference | λ (degrees) |
|---|---|
| Moutou et al. (2011) | −10 ± 16 |
| Albrecht et al. (2012) | −2 + 55 - 46 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)