exoclock

LTT1445Ac (HIGH)

Discovered by: Winters et al. 2022

The Star
Simbad
GAIA
2MASS		 BD-17 588A
DR2 5153091836072107136
J03015142-1635356
RA 03:01:51.3928 DEC -16:35:36.022
Parallax
145.547 mas		 P.M. RA
-369.196 mas/y		 P.M. DEC
-268.51 mas/y
MagV
10.529		 MagR
9.364		 MagI
7.887		 MagJ
7.294		 MagH
6.774		 MagK
6.496
MagG
10.047		 MagGBP
11.501		 MagGRP
8.91
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458899.91066 ± 0.00039 BJDTDB
Period
3.1239012 ± 3.6e-06 days
Transit Parameters
Winters et al. 2022
Rp/Rs
0.0396 ± 0.0018		 a/Rs
21.56 +0.78 -0.82
 i
87.43 +0.18 -0.29 deg
e
-		 ω
- deg
DepthR*
1.02 mmag		 Duration*
0.42 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Winters et al. 2022
Teff
3340.0 +150.0 -150.0 K
 Log(g)
4.989996382473231 +0.03624800431613585 -0.03624800431613585 cm/s2
 Fe/H
-0.34 +0.09 -0.09 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 71.72"
Total Observations (Recent) 7 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 7 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0604 ± 0.0032

LTT1445Ac


Space Observations
Planet
Observation Date		 Mission O-C
minutes
LTT1445Ac (HIGH)
2020-11-15		TESS-2.68 ± 1.73
LTT1445Ac (HIGH)
2020-11-08		TESS1.21 ± 1.58
LTT1445Ac (HIGH)
2020-11-02		TESS-0.78 ± 1.31
LTT1445Ac (HIGH)
2020-10-27		TESS2.28 ± 1.24
LTT1445Ac (HIGH)
2020-10-24		TESS-1.95 ± 1.87
LTT1445Ac (HIGH)
2018-11-11		TESS-0.16 ± 1.05
LTT1445Ac (HIGH)
2018-11-02		TESS0.46 ± 1.73
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