exoclock

LTT3780c (HIGH)

Discovered by: Cloutier et al. 2020

The Star
Simbad
GAIA
2MASS		 G 162-44
DR2 3767281845873242112
J10183516-1142599
RA 10:18:35.1370 DEC -11:43:00.241
Parallax
45.464 mas		 P.M. RA
-341.409 mas/y		 P.M. DEC
-247.87 mas/y
MagV
13.14		 MagR
12.84		 MagI*
10.496		 MagJ
9.007		 MagH
8.439		 MagK
8.204
MagG
11.846		 MagGBP
13.352		 MagGRP
10.658
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459343.24501 ± 0.00074 BJDTDB
Period
12.252247 ± 1.3e-05 days
Transit Parameters
Cloutier et al. 2020
Rp/Rs
0.057 ± 0.0035		 a/Rs**
51.2 +0.9 -0.9
 i
89.18 +0.47 -0.22 deg
e
-		 ω
- deg
DepthR*
3.63 mmag		 Duration*
1.39 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Cloutier et al. 2020
Teff
3331.0 +157.0 -157.0 K
 Log(g)
4.9 +0.03 -0.03 cm/s2
 Fe/H
0.28 +0.11 -0.13 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 31.89"
Total Observations (Recent) 6 (0)
O-C -9.86 ± 3.17 minutes
ExoClock Observations (Recent) 1 (0)
Space Observations (Recent) 5 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0564 ± 0.0023

LTT3780c


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
LTT3780c (HIGH)
2024-04-20		Florence Libotte
Montsec		Joan Oró 80cm
MEIA2 / I / 75.0		-9.86 ± 3.17

Space Observations
Planet
Observation Date		 Mission O-C
minutes
LTT3780c (HIGH)
2023-03-01		TESS1.51 ± 2.02
LTT3780c (HIGH)
2023-02-17		TESS-1.44 ± 2.02
LTT3780c (HIGH)
2021-02-11		TESS-3.57 ± 5.33
LTT3780c (HIGH)
2019-03-16		TESS1.44 ± 2.3
LTT3780c (HIGH)
2019-03-04		TESS-0.94 ± 2.16
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