exoclock
The Star
Simbad
GAIA
2MASS
HATS-50
DR2 6850309426503755520
J20014273-2604392
RA 20:01:42.7298 DEC -26:04:39.292
Parallax
1.293 mas
P.M. RA
7.327 mas/y
P.M. DEC
3.975 mas/y
MagV*
14.07
MagR*
13.656
MagI*
13.26
MagJ
12.643
MagH
12.373
MagK
12.289
MagG
13.894
MagGBP
14.279
MagGRP
13.342
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457973.29953 ± 0.00054 BJDTDB
Period
3.8296901 ± 1.4e-06 days

Transit Parameters
Henning et al. 2018
Rp/Rs
0.1038 ± 0.0025
a/Rs
9.72 +0.44 -0.44
i
87.54 +0.66 -0.66 deg
e
-
ω
- deg
DepthR*
13.66 mmag
Duration*
3.08 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Henning et al. 2018
Teff
5990.0 +110.0 -110.0 K
Log(g)
4.41 +0.04 -0.04 cm/s2
Fe/H
0.0 +0.0 0.0 dex
ExoClock Status
Observing Priority ALERT
Minimum aperture 9.99"
Total Observations (Recent) 11 (2)
O-C 10.25 ± 1.09 minutes
ExoClock Observations (Recent) 9 (2)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 2 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

HATS-50b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HATS-50b (ALERT)
2025-10-08
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
1.7 ± 2.88
HATS-50b (ALERT)
2025-09-15
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
15.01 ± 1.87
HATS-50b (ALERT)
2024-06-20
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
10.45 ± 2.02
HATS-50b (ALERT)
2024-05-05
Agata Woźniak
DeepSkyChile - ROTUZ
PlaneWave CDK 20
QHY268M pro / Lum / 120.0
8.26 ± 2.3
HATS-50b (ALERT)
2023-08-15
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
0.94 ± 2.16
HATS-50b (ALERT)
2023-08-11
Jean-Pascal Vignes
Deep Sky Chile
PlaneWave CDK 17"
QHYCCD 600 M / V / 180.0
2.22 ± 3.31
HATS-50b (ALERT)
2023-07-07
Yen-Hsing Lin
NTHU Observatory
Showa 10"
ASI6200MM Pro / Lum / 300.0
-1.07 ± 8.78
HATS-50b (ALERT)
2023-06-03
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 240.0
-1.92 ± 2.88
HATS-50b (ALERT)
2023-06-03
Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
-3.22 ± 3.74

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2018-06-10 Mallonn 2019 0.95 ± 2.59
2014-07-31 Henning et al. 2018 -0.12 ± 0.98
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