exoclock

HATS-4b (MEDIUM)

Discovered by: Jordán et al. 2014

The Star
Simbad
GAIA
2MASS
HATS-4
DR2 2937583121652951936
J06162689-2232487
RA 06:16:26.9016 DEC -22:32:48.815
Parallax
2.372 mas
P.M. RA
0.266 mas/y
P.M. DEC
2.484 mas/y
MagV
13.459
MagR*
13.039
MagI*
12.584
MagJ
12.032
MagH
11.697
MagK
11.612
MagG
13.286
MagGBP
13.721
MagGRP
12.711
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458219.36583 ± 0.00023 BJDTDB
Period
2.51672679 ± 4.2e-07 days

Transit Parameters
Jordán et al. 2014
Rp/Rs
0.113 ± 0.003
a/Rs
8.43 +0.17 -0.22
i
88.5 +0.6 -0.6 deg
e
-
ω
- deg
DepthR*
17.11 mmag
Duration*
2.5 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Jordán et al. 2014
Teff
5403.0 +50.0 -50.0 K
Log(g)
4.51 +0.02 -0.02 cm/s2
Fe/H
0.43 +0.08 -0.08 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 8.01"
Total Observations (Recent) 32 (0)
O-C -2.2 ± 0.52 minutes
ExoClock Observations (Recent) 12 (0)
Space Observations (Recent) 19 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.11884 ± 0.00094

HATS-4b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HATS-4b (MEDIUM)
2023-02-23
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
-1.53 ± 1.27
HATS-4b (MEDIUM)
2023-02-13
Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
-1.68 ± 2.02
HATS-4b (MEDIUM)
2023-02-13
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / Lum / 120.0
-2.65 ± 0.92
HATS-4b (MEDIUM)
2023-02-08
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
-2.76 ± 0.86
HATS-4b (MEDIUM)
2022-11-27
Adam Popowicz
Otivar dome2
Newton 12" ASA
ASI ZWO 1600MM / R / 240.0
-0.19 ± 2.59
HATS-4b (MEDIUM)
2022-11-24
David Patterson
Numurkah Observatory
Sky Watcher Esprit 120ED APO
ZWOASI294MM Pro / Lum / 120.0
1.14 ± 2.74
HATS-4b (MEDIUM)
2022-02-08
Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
4.28 ± 1.3
HATS-4b (MEDIUM)
2022-01-13
David Arnot
OSO PIRATE
PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / Clear / 60.0
0.06 ± 1.58
HATS-4b (MEDIUM)
2021-01-24
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.4 ± 1.44
HATS-4b (MEDIUM)
2021-01-19
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.54 ± 0.72
HATS-4b (MEDIUM)
2020-11-12
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
2.01 ± 1.01
HATS-4b (MEDIUM)
2020-09-20
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
2.39 ± 0.86

Space Observations

Planet
Observation Date
Mission O-C
minutes
HATS-4b (MEDIUM)
2021-01-11
TESS-0.5 ± 1.44
HATS-4b (MEDIUM)
2021-01-09
TESS-2.04 ± 1.58
HATS-4b (MEDIUM)
2021-01-06
TESS0.44 ± 1.87
HATS-4b (MEDIUM)
2021-01-04
TESS1.63 ± 2.59
HATS-4b (MEDIUM)
2021-01-01
TESS0.52 ± 1.44
HATS-4b (MEDIUM)
2020-12-29
TESS-0.59 ± 1.58
HATS-4b (MEDIUM)
2020-12-27
TESS-2.14 ± 1.87
HATS-4b (MEDIUM)
2020-12-24
TESS-0.95 ± 1.44
HATS-4b (MEDIUM)
2020-12-22
TESS1.25 ± 1.87
HATS-4b (MEDIUM)
2020-12-19
TESS-5.48 ± 1.73
HATS-4b (MEDIUM)
2019-01-05
TESS-0.57 ± 1.87
HATS-4b (MEDIUM)
2019-01-02
TESS-0.82 ± 2.02
HATS-4b (MEDIUM)
2018-12-31
TESS-1.21 ± 1.58
HATS-4b (MEDIUM)
2018-12-28
TESS1.56 ± 1.73
HATS-4b (MEDIUM)
2018-12-26
TESS2.03 ± 2.02
HATS-4b (MEDIUM)
2018-12-23
TESS-1.34 ± 1.43
HATS-4b (MEDIUM)
2018-12-21
TESS-3.51 ± 1.73
HATS-4b (MEDIUM)
2018-12-18
TESS-2.89 ± 1.58
HATS-4b (MEDIUM)
2018-12-16
TESS-1.7 ± 1.58

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2011-09-03 Jordán et al. 2014 0.22 ± 0.52
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