exoclock

HATS-48Ab (LOW)

Discovered by: Hartman et al. 2020

The Star
Simbad
GAIA
2MASS		 HATS-48
DR2 6638412919991750912
J19144126-5934458
RA 19:14:41.2747 DEC -59:34:45.757
Parallax
3.765 mas		 P.M. RA
3.125 mas/y		 P.M. DEC
6.146 mas/y
MagV
14.35		 MagR
14.05		 MagI*
13.052		 MagJ
12.16		 MagH
11.591		 MagK
11.427
MagG
13.895		 MagGBP
14.58		 MagGRP
13.113
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458932.57529 ± 0.00022 BJDTDB
Period
3.13166665 ± 6.3e-07 days
Transit Parameters
Hartman et al. 2020
Rp/Rs
0.1148 ± 0.002		 a/Rs
11.33 +0.049 -0.049
 i
89.58 +0.18 -0.18 deg
e
-		 ω
- deg
DepthR*
18.64 mmag		 Duration*
2.35 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2020
Teff
4546.0 +23.0 -18.0 K
 Log(g)
4.591 +0.039 -0.039 cm/s2
 Fe/H
0.186 +0.051 -0.051 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 11.59"
Total Observations (Recent) 33 (3)
O-C 3.11 ± 0.78 minutes
ExoClock Observations (Recent) 12 (3)
Space Observations (Recent) 20 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1077 ± 0.0014

HATS-48Ab


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HATS-48Ab (LOW)
2025-09-12		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		2.9 ± 1.04
HATS-48Ab (LOW)
2025-07-05		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		2.96 ± 1.58
HATS-48Ab (LOW)
2025-03-11		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		3.34 ± 2.02
HATS-48Ab (LOW)
2024-05-27		Nicolás Castro-Morales
El Sauce		Mas500
Moravian / rpr / 90.0		5.4 ± 3.46
HATS-48Ab (LOW)
2023-09-29		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		2.42 ± 2.02
HATS-48Ab (LOW)
2023-08-13		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / V / 180.0		3.14 ± 2.3
HATS-48Ab (LOW)
2023-04-22		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.48 ± 1.2
HATS-48Ab (LOW)
2023-04-22		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 90.0		-1.03 ± 1.44
HATS-48Ab (LOW)
2023-04-19		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-2.62 ± 1.35
HATS-48Ab (LOW)
2023-03-28		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-3.87 ± 1.58
HATS-48Ab (LOW)
2022-09-15		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 240.0		-1.37 ± 1.37
HATS-48Ab (LOW)
2022-04-05		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		1.03 ± 2.16

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HATS-48Ab (LOW)
2023-07-19		TESS3.91 ± 3.02
HATS-48Ab (LOW)
2023-07-15		TESS4.58 ± 1.87
HATS-48Ab (LOW)
2023-07-09		TESS-1.27 ± 2.16
HATS-48Ab (LOW)
2023-07-06		TESS-1.9 ± 2.88
HATS-48Ab (LOW)
2023-07-03		TESS2.66 ± 2.3
HATS-48Ab (LOW)
2020-07-27		TESS2.94 ± 3.17
HATS-48Ab (LOW)
2020-07-24		TESS0.02 ± 3.02
HATS-48Ab (LOW)
2020-07-21		TESS0.54 ± 2.45
HATS-48Ab (LOW)
2020-07-14		TESS-1.71 ± 1.87
HATS-48Ab (LOW)
2020-07-11		TESS0.54 ± 2.74
HATS-48Ab (LOW)
2020-07-08		TESS-0.37 ± 2.74
HATS-48Ab (LOW)
2019-07-17		TESS0.78 ± 2.16
HATS-48Ab (LOW)
2019-07-14		TESS1.16 ± 2.45
HATS-48Ab (LOW)
2019-07-11		TESS-0.18 ± 2.02
HATS-48Ab (LOW)
2019-07-08		TESS0.49 ± 2.16
HATS-48Ab (LOW)
2019-07-05		TESS-2.87 ± 4.18
HATS-48Ab (LOW)
2019-07-01		TESS1.69 ± 2.16
HATS-48Ab (LOW)
2019-06-28		TESS-1.09 ± 3.6
HATS-48Ab (LOW)
2019-06-25		TESS1.16 ± 2.3
HATS-48Ab (LOW)
2019-06-22		TESS2.12 ± 2.02

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2015-03-19 Hartman et al. 2020 -0.11 ± 0.65
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