This page summarises the information held within TEPCat for the transiting planetary system HIP 41378b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...827L..10V | |
| Date of discovery paper | 2016 / 6 / 29 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 26 27.85 | h m s |
| Declination | +10 04 49.4 | d m s |
| Right ascension (decimal) | 126.61604 | degrees |
| Declination (decimal) | 10.08039 | degrees |
| V-band apparent magnitude | 8.93 | mag |
| K-band apparent magnitude | 7.72 | mag |
| Transit duration | 0.2192 ( 5.261 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2457152.282 ± 0.002 | HJD or BJD |
| Orbital period | 15.57209 ± 0.00002 | days |
| Reference for orbital ephemeris | 2026A+A...710A.275G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6290 ± 77 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.05 ± 0.10 | dex |
| Stellar mass | 1.22 +0.03 −0.02 | Msun |
| Stellar radius | 1.300 ± 0.009 | Rsun |
| Stellar logarithmic surface gravity | 4.298 ± 0.004 | c.g.s. |
| Stellar mean density | 0.557 ± 0.006 ( 0.7859 ± 0.0085 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.05 +0.03 −0.05 | |
| Orbital semimajor axis | 0.1303 ± 0.0013 | AU |
| Planetary mass | 0.0217 ± 0.0016 ( 6.90 ± 0.51 ) | Mjup Mearth |
| Planetary radius | 0.2355 ± 0.0020 ( 2.640 ± 0.022 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.56 ± 0.12 ( 2.07 ± 0.16 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 971 ± 11 | K |
| Reference of detailed study | 2026A+A...710A.275G |
HIP 41378b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/07/02 John Southworth (Keele University, UK)