exoclock

LTT9779b (HIGH)

Discovered by: Jenkins et al. 2020

The Star
Simbad
GAIA
2MASS		 CD-38 15670
DR2 2307504062045842688
J23544020-3737408
RA 23:54:40.2073 DEC -37:37:40.523
Parallax
12.403 mas		 P.M. RA
247.615 mas/y		 P.M. DEC
-69.801 mas/y
MagV
9.76		 MagR*
9.36		 MagI*
8.933		 MagJ
8.446		 MagH
8.153		 MagK
8.016
MagG
9.6		 MagGBP
10.015		 MagGRP
9.058
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459108.25997 ± 0.00012 BJDTDB
Period
0.79206407 ± 1.3e-07 days
Transit Parameters
Jenkins et al. 2020
Rp/Rs
0.0455 ± 0.0022		 a/Rs
3.877 +0.09 -0.091
 i
76.39 +0.43 -0.43 deg
e
-		 ω
- deg
DepthR*
1.81 mmag		 Duration*
0.82 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Jenkins et al. 2020
Teff
5443.0 +14.0 -13.0 K
 Log(g)
4.35 +0.16 -0.12 cm/s2
 Fe/H
0.27 +0.03 -0.03 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 31.22"
Total Observations (Recent) 86 (0)
O-C 6.6 ± 6.05 minutes
ExoClock Observations (Recent) 1 (0)
Space Observations (Recent) 85 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.04348 ± 0.00039

LTT9779b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
LTT9779b (HIGH)
2024-09-04		Karolina Prucnal
DeepSkyChile - ROTUZ		PlaneWave CDK 20
QHY268M pro / R / 20.0		6.6 ± 6.05

Space Observations
Planet
Observation Date		 Mission O-C
minutes
LTT9779b (HIGH)
2023-09-18		TESS2.92 ± 1.58
LTT9779b (HIGH)
2023-09-17		TESS2.73 ± 2.16
LTT9779b (HIGH)
2023-09-16		TESS-2.08 ± 1.58
LTT9779b (HIGH)
2023-09-16		TESS-5.73 ± 1.87
LTT9779b (HIGH)
2023-09-15		TESS-0.74 ± 1.44
LTT9779b (HIGH)
2023-09-14		TESS0.5 ± 1.87
LTT9779b (HIGH)
2023-09-13		TESS-0.28 ± 1.41
LTT9779b (HIGH)
2023-09-13		TESS4.0 ± 3.46
LTT9779b (HIGH)
2023-09-12		TESS4.52 ± 2.02
LTT9779b (HIGH)
2023-09-11		TESS1.32 ± 1.28
LTT9779b (HIGH)
2023-09-10		TESS-0.78 ± 1.04
LTT9779b (HIGH)
2023-09-09		TESS0.77 ± 1.87
LTT9779b (HIGH)
2023-09-09		TESS0.86 ± 1.87
LTT9779b (HIGH)
2023-09-08		TESS-2.13 ± 1.38
LTT9779b (HIGH)
2023-09-04		TESS1.59 ± 1.34
LTT9779b (HIGH)
2023-09-03		TESS1.51 ± 4.32
LTT9779b (HIGH)
2023-09-02		TESS-3.3 ± 1.87
LTT9779b (HIGH)
2023-09-01		TESS1.55 ± 1.73
LTT9779b (HIGH)
2023-09-01		TESS1.05 ± 1.38
LTT9779b (HIGH)
2023-08-31		TESS-0.14 ± 1.87
LTT9779b (HIGH)
2023-08-30		TESS-2.55 ± 1.41
LTT9779b (HIGH)
2023-08-29		TESS-0.57 ± 1.37
LTT9779b (HIGH)
2023-08-28		TESS1.13 ± 1.2
LTT9779b (HIGH)
2023-08-28		TESS0.8 ± 1.28
LTT9779b (HIGH)
2023-08-26		TESS-2.03 ± 1.44
LTT9779b (HIGH)
2020-09-19		TESS2.85 ± 1.24
LTT9779b (HIGH)
2020-09-18		TESS1.23 ± 1.17
LTT9779b (HIGH)
2020-09-18		TESS1.64 ± 1.87
LTT9779b (HIGH)
2020-09-17		TESS1.73 ± 1.73
LTT9779b (HIGH)
2020-09-16		TESS-2.5 ± 1.44
LTT9779b (HIGH)
2020-09-15		TESS-0.68 ± 1.21
LTT9779b (HIGH)
2020-09-14		TESS1.14 ± 2.45
LTT9779b (HIGH)
2020-09-14		TESS0.52 ± 2.02
LTT9779b (HIGH)
2020-09-13		TESS-3.01 ± 1.12
LTT9779b (HIGH)
2020-09-12		TESS-3.22 ± 1.38
LTT9779b (HIGH)
2020-09-11		TESS-0.17 ± 1.05
LTT9779b (HIGH)
2020-09-11		TESS-2.28 ± 1.58
LTT9779b (HIGH)
2020-09-10		TESS-0.89 ± 1.87
LTT9779b (HIGH)
2020-09-06		TESS-1.3 ± 1.73
LTT9779b (HIGH)
2020-09-05		TESS0.26 ± 1.24
LTT9779b (HIGH)
2020-09-04		TESS-2.12 ± 3.46
LTT9779b (HIGH)
2020-09-03		TESS1.3 ± 1.09
LTT9779b (HIGH)
2020-09-03		TESS-1.5 ± 2.02
LTT9779b (HIGH)
2020-09-02		TESS1.77 ± 1.02
LTT9779b (HIGH)
2020-09-01		TESS-0.18 ± 1.35
LTT9779b (HIGH)
2020-08-31		TESS0.79 ± 1.73
LTT9779b (HIGH)
2020-08-30		TESS0.97 ± 1.4
LTT9779b (HIGH)
2020-08-30		TESS-1.19 ± 1.25
LTT9779b (HIGH)
2020-08-29		TESS1.5 ± 1.58
LTT9779b (HIGH)
2020-08-28		TESS2.05 ± 1.11
LTT9779b (HIGH)
2020-08-27		TESS1.15 ± 1.27
LTT9779b (HIGH)
2020-08-26		TESS-1.11 ± 1.37
LTT9779b (HIGH)
2018-09-19		TESS1.07 ± 2.02
LTT9779b (HIGH)
2018-09-18		TESS-2.06 ± 1.28
LTT9779b (HIGH)
2018-09-18		TESS0.54 ± 2.02
LTT9779b (HIGH)
2018-09-17		TESS-0.87 ± 1.21
LTT9779b (HIGH)
2018-09-16		TESS2.31 ± 2.3
LTT9779b (HIGH)
2018-09-15		TESS-1.57 ± 1.07
LTT9779b (HIGH)
2018-09-14		TESS1.53 ± 1.08
LTT9779b (HIGH)
2018-09-14		TESS0.89 ± 1.32
LTT9779b (HIGH)
2018-09-13		TESS0.95 ± 1.73
LTT9779b (HIGH)
2018-09-12		TESS1.18 ± 1.87
LTT9779b (HIGH)
2018-09-11		TESS0.99 ± 2.3
LTT9779b (HIGH)
2018-09-10		TESS-0.21 ± 3.17
LTT9779b (HIGH)
2018-09-10		TESS-0.8 ± 1.01
LTT9779b (HIGH)
2018-09-09		TESS1.84 ± 2.45
LTT9779b (HIGH)
2018-09-08		TESS-1.09 ± 1.44
LTT9779b (HIGH)
2018-09-07		TESS0.62 ± 0.98
LTT9779b (HIGH)
2018-09-05		TESS-0.5 ± 1.4
LTT9779b (HIGH)
2018-09-04		TESS-1.22 ± 1.35
LTT9779b (HIGH)
2018-09-03		TESS1.44 ± 1.08
LTT9779b (HIGH)
2018-09-03		TESS-0.88 ± 1.73
LTT9779b (HIGH)
2018-09-02		TESS-1.56 ± 1.41
LTT9779b (HIGH)
2018-09-01		TESS-1.56 ± 1.73
LTT9779b (HIGH)
2018-08-31		TESS1.36 ± 1.34
LTT9779b (HIGH)
2018-08-30		TESS-1.8 ± 2.02
LTT9779b (HIGH)
2018-08-30		TESS-0.7 ± 1.73
LTT9779b (HIGH)
2018-08-29		TESS-0.75 ± 1.58
LTT9779b (HIGH)
2018-08-28		TESS0.2 ± 2.59
LTT9779b (HIGH)
2018-08-27		TESS0.73 ± 1.58
LTT9779b (HIGH)
2018-08-26		TESS-0.19 ± 1.44
LTT9779b (HIGH)
2018-08-26		TESS0.97 ± 1.27
LTT9779b (HIGH)
2018-08-25		TESS-1.59 ± 1.58
LTT9779b (HIGH)
2018-08-24		TESS1.96 ± 2.16
LTT9779b (HIGH)
2018-08-23		TESS1.19 ± 1.73
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