exoclock

K2-174b (HIGH)

Discovered by: Mayo et al. 2018

The Star
Simbad
GAIA
2MASS		 K2-174
DR2 46217666333148416
J04031027+1620509
RA 04:03:10.2793 DEC +16:20:50.761
Parallax
9.978 mas		 P.M. RA
31.845 mas/y		 P.M. DEC
-62.191 mas/y
MagV*
12.426		 MagR*
11.739		 MagI*
11.095		 MagJ
10.231		 MagH
9.649		 MagK
9.496
MagG
12.008		 MagGBP
12.716		 MagGRP
11.215
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457220.7169 ± 0.0016 BJDTDB
Period
19.562379 ± 5.6e-05 days
Transit Parameters
Livingston et al. 2019
Rp/Rs
0.036 ± 0.001		 a/Rs
26.6 +0.2 -0.2
 i
89.95 +0.04 -0.05 deg
e
-		 ω
- deg
DepthR*
1.83 mmag		 Duration*
5.82 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Mayo et al. 2018
Teff
4500.0 +50.0 -50.0 K
 Log(g)
4.62 +0.1 -0.1 cm/s2
 Fe/H
-0.24 +0.08 -0.08 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 33.16"
Total Observations (Recent) 9 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs 0.03428 ± 0.0004
TESS Rp/Rs 0.0331 ± 0.0018

K2-174b


Space Observations
Planet
Observation Date		 Mission O-C
minutes
K2-174b (HIGH)
2023-11-04		TESS-23.97 ± 25.92
K2-174b (HIGH)
2021-10-22		TESS-6.54 ± 7.92
K2-174b (HIGH)
2021-10-02		TESS23.24 ± 17.28
K2-174b (HIGH)
2021-09-12		TESS10.82 ± 14.4
K2-174b (HIGH)
2021-08-24		TESS4.17 ± 23.04
K2-174b (HIGH)
2015-04-10		K216.55 ± 4.61
K2-174b (HIGH)
2015-03-21		K20.25 ± 2.45
K2-174b (HIGH)
2015-03-02		K2-1.36 ± 2.02
K2-174b (HIGH)
2015-02-10		K2-13.78 ± 5.47
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