exoclock

HATS-34b (LOW)

Discovered by: de Val-Borro et al. 2016

The Star
Simbad
GAIA
2MASS		 HATS-34
DR2 4904523077718046720
J00030587-6228096
RA 00:03:05.8703 DEC -62:28:09.616
Parallax
1.936 mas		 P.M. RA
2.894 mas/y		 P.M. DEC
4.911 mas/y
MagV
13.85		 MagR
13.77		 MagI*
13.026		 MagJ
12.513		 MagH
12.139		 MagK
12.095
MagG
13.679		 MagGBP
14.082		 MagGRP
13.129
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459082.21641 ± 0.00032 BJDTDB
Period
2.10615966 ± 6.2e-07 days
Transit Parameters
de Val-Borro et al. 2016
Rp/Rs
0.15 ± 0.014		 a/Rs
6.96 +0.34 -0.34
 i
82.28 +0.43 -0.59 deg
e
-		 ω
- deg
DepthR*
14.64 mmag		 Duration*
1.56 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
de Val-Borro et al. 2016
Teff
5380.0 +73.0 -73.0 K
 Log(g)
4.43 +0.04 -0.04 cm/s2
 Fe/H
0.25 +0.07 -0.07 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 10.72"
Total Observations (Recent) 62 (5)
O-C 0.76 ± 0.74 minutes
ExoClock Observations (Recent) 21 (5)
Space Observations (Recent) 40 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1404 ± 0.0024

HATS-34b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HATS-34b (LOW)
2025-12-25		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		1.71 ± 1.87
HATS-34b (LOW)
2025-11-15		Jean-Pascal Vignes
Deep Sky Chile		PlaneWave CDK 17"
QHYCCD 600 M / R / 90.0		6.22 ± 1.87
HATS-34b (LOW)
2025-10-29		Jean-Pascal Vignes
Deep Sky Chile		PlaneWave CDK 17"
QHYCCD 600 M / R / 90.0		2.44 ± 2.88
HATS-34b (LOW)
2025-08-27		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.41 ± 1.58
HATS-34b (LOW)
2025-07-20		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-1.07 ± 2.3
HATS-34b (LOW)
2024-12-13		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-0.05 ± 1.58
HATS-34b (LOW)
2024-07-29		Nicolás Castro-Morales
El Sauce		Mas500
Moravian / rpr / 90.0		-7.43 ± 2.59
HATS-34b (LOW)
2023-12-02		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		3.37 ± 1.87
HATS-34b (LOW)
2023-12-02		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 180.0		0.06 ± 1.87
HATS-34b (LOW)
2023-12-02		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		-4.4 ± 2.3
HATS-34b (LOW)
2023-11-15		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		2.91 ± 2.3
HATS-34b (LOW)
2023-09-17		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / R / 60.0		-9.95 ± 2.88
HATS-34b (LOW)
2022-11-20		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		4.21 ± 2.59
HATS-34b (LOW)
2022-09-05		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-3.07 ± 1.73
HATS-34b (LOW)
2022-09-03		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		4.08 ± 2.16
HATS-34b (LOW)
2022-09-03		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 120.0		2.92 ± 2.02
HATS-34b (LOW)
2022-09-01		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-3.33 ± 1.87
HATS-34b (LOW)
2022-07-29		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		1.36 ± 4.32
HATS-34b (LOW)
2022-01-06		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		2.64 ± 1.3
HATS-34b (LOW)
2020-11-17		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		2.28 ± 1.44
HATS-34b (LOW)
2020-01-23		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-1.94 ± 1.87

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HATS-34b (LOW)
2023-08-20		TESS-1.78 ± 3.74
HATS-34b (LOW)
2023-08-18		TESS-4.14 ± 3.02
HATS-34b (LOW)
2023-08-16		TESS-1.32 ± 3.89
HATS-34b (LOW)
2023-08-14		TESS-9.87 ± 4.18
HATS-34b (LOW)
2023-08-12		TESS-4.17 ± 2.88
HATS-34b (LOW)
2023-08-06		TESS0.12 ± 4.75
HATS-34b (LOW)
2023-08-04		TESS-2.38 ± 3.02
HATS-34b (LOW)
2023-08-01		TESS3.03 ± 3.89
HATS-34b (LOW)
2023-07-30		TESS-6.39 ± 3.17
HATS-34b (LOW)
2020-08-22		TESS-2.84 ± 3.46
HATS-34b (LOW)
2020-08-20		TESS4.88 ± 3.74
HATS-34b (LOW)
2020-08-18		TESS-1.22 ± 4.9
HATS-34b (LOW)
2020-08-16		TESS1.02 ± 4.9
HATS-34b (LOW)
2020-08-14		TESS1.83 ± 3.31
HATS-34b (LOW)
2020-08-10		TESS-4.19 ± 3.74
HATS-34b (LOW)
2020-08-08		TESS-0.65 ± 5.33
HATS-34b (LOW)
2020-08-05		TESS1.45 ± 2.88
HATS-34b (LOW)
2020-08-03		TESS0.53 ± 3.31
HATS-34b (LOW)
2020-08-01		TESS6.81 ± 3.74
HATS-34b (LOW)
2018-09-19		TESS2.67 ± 3.02
HATS-34b (LOW)
2018-09-17		TESS-2.28 ± 3.02
HATS-34b (LOW)
2018-09-15		TESS1.98 ± 4.03
HATS-34b (LOW)
2018-09-13		TESS-0.81 ± 3.17
HATS-34b (LOW)
2018-09-10		TESS1.58 ± 4.46
HATS-34b (LOW)
2018-09-08		TESS-0.64 ± 3.02
HATS-34b (LOW)
2018-09-04		TESS-0.61 ± 3.17
HATS-34b (LOW)
2018-09-02		TESS-4.85 ± 3.89
HATS-34b (LOW)
2018-08-31		TESS0.13 ± 4.46
HATS-34b (LOW)
2018-08-29		TESS5.84 ± 3.46
HATS-34b (LOW)
2018-08-25		TESS0.97 ± 5.18
HATS-34b (LOW)
2018-08-20		TESS-5.77 ± 3.17
HATS-34b (LOW)
2018-08-16		TESS-2.86 ± 8.06
HATS-34b (LOW)
2018-08-14		TESS-0.33 ± 3.46
HATS-34b (LOW)
2018-08-12		TESS3.79 ± 5.9
HATS-34b (LOW)
2018-08-06		TESS7.93 ± 3.6
HATS-34b (LOW)
2018-08-04		TESS-3.93 ± 4.18
HATS-34b (LOW)
2018-08-01		TESS3.93 ± 3.17
HATS-34b (LOW)
2018-07-30		TESS-0.02 ± 3.46
HATS-34b (LOW)
2018-07-28		TESS-4.83 ± 3.31
HATS-34b (LOW)
2018-07-26		TESS5.05 ± 2.59

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2013-12-08 de Val-Borro et al. 2016 -1.13 ± 1.08
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