exoclock
The Star
Simbad
GAIA
2MASS
CD-51 2720
DR2 5489780919480009472
J07493960-5207136
RA 07:49:39.6019 DEC -52:07:13.574
Parallax
3.051 mas
P.M. RA
-4.516 mas/y
P.M. DEC
-2.283 mas/y
MagV
11.39
MagR*
10.862
MagI*
10.751
MagJ
10.205
MagH
9.919
MagK
9.854
MagG
11.069
MagGBP
11.372
MagGRP
10.631
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459283.21849 ± 0.0001 BJDTDB
Period
3.32946556 ± 6.5e-07 days

Transit Parameters
Rodriguez et al. 2016
Rp/Rs
0.1001 ± 0.0022
a/Rs
6.7 +0.14 -0.35
i
88.3 +1.2 -1.7 deg
e
-
ω
- deg
DepthR*
13.19 mmag
Duration*
4.13 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Rodriguez et al. 2016
Teff
6003.0 +56.0 -52.0 K
Log(g)
4.17 +0.02 -0.04 cm/s2
Fe/H
0.05 +0.03 -0.03 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 5.0"
Total Observations (Recent) 51 (0)
O-C -
ExoClock Observations (Recent) 7 (0)
Space Observations (Recent) 42 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 2 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.09644 ± 0.00017

KELT-15b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
KELT-15b (HIGH)
2024-01-09
Francois Regembal
HRT Deep Sky Chile
Astrosib RC360
Moravian C3 PRO 61000 / Lum / 100.0
-1.57 ± 1.31
KELT-15b (HIGH)
2023-12-20
Francois Regembal
HRT Deep Sky Chile
Astrosib RC360
Moravian C3 PRO 61000 / Lum / 100.0
2.61 ± 1.73
KELT-15b (HIGH)
2023-12-20
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 90.0
2.32 ± 1.58
KELT-15b (HIGH)
2023-02-10
Magdalena Szkudlarek
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 10.0
-0.54 ± 1.17
KELT-15b (HIGH)
2020-12-13
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 60.0
5.78 ± 1.87
KELT-15b (HIGH)
2020-12-03
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 60.0
5.06 ± 2.16
KELT-15b (HIGH)
2020-03-25
Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 70.0
1.29 ± 1.3

Space Observations

Planet
Observation Date
Mission O-C
minutes
KELT-15b (HIGH)
2023-03-08
TESS0.55 ± 0.79
KELT-15b (HIGH)
2023-03-05
TESS0.41 ± 0.81
KELT-15b (HIGH)
2023-03-02
TESS0.45 ± 0.81
KELT-15b (HIGH)
2023-02-23
TESS-0.67 ± 0.76
KELT-15b (HIGH)
2023-02-20
TESS-1.41 ± 0.91
KELT-15b (HIGH)
2023-02-16
TESS-0.73 ± 0.78
KELT-15b (HIGH)
2023-02-10
TESS0.14 ± 0.86
KELT-15b (HIGH)
2023-02-03
TESS0.57 ± 0.75
KELT-15b (HIGH)
2023-01-27
TESS-0.16 ± 0.75
KELT-15b (HIGH)
2023-01-24
TESS-0.54 ± 0.79
KELT-15b (HIGH)
2023-01-21
TESS-0.01 ± 0.92
KELT-15b (HIGH)
2021-03-29
TESS1.45 ± 0.82
KELT-15b (HIGH)
2021-03-26
TESS-1.51 ± 0.81
KELT-15b (HIGH)
2021-03-23
TESS-0.81 ± 0.82
KELT-15b (HIGH)
2021-03-16
TESS-0.87 ± 0.81
KELT-15b (HIGH)
2021-03-13
TESS0.42 ± 0.88
KELT-15b (HIGH)
2021-03-09
TESS-0.09 ± 0.84
KELT-15b (HIGH)
2021-03-03
TESS-1.38 ± 0.88
KELT-15b (HIGH)
2021-02-27
TESS-0.06 ± 0.75
KELT-15b (HIGH)
2021-02-21
TESS2.33 ± 1.04
KELT-15b (HIGH)
2021-02-17
TESS1.11 ± 0.81
KELT-15b (HIGH)
2021-02-14
TESS0.23 ± 0.85
KELT-15b (HIGH)
2021-02-11
TESS0.52 ± 0.88
KELT-15b (HIGH)
2021-02-07
TESS0.95 ± 0.88
KELT-15b (HIGH)
2021-02-04
TESS0.76 ± 0.75
KELT-15b (HIGH)
2021-02-01
TESS0.13 ± 0.85
KELT-15b (HIGH)
2021-01-28
TESS0.18 ± 0.85
KELT-15b (HIGH)
2021-01-25
TESS-0.98 ± 0.85
KELT-15b (HIGH)
2021-01-22
TESS-0.16 ± 0.76
KELT-15b (HIGH)
2021-01-18
TESS-1.0 ± 0.82
KELT-15b (HIGH)
2021-01-15
TESS-2.08 ± 0.84
KELT-15b (HIGH)
2019-03-24
TESS-0.8 ± 0.81
KELT-15b (HIGH)
2019-03-21
TESS0.49 ± 0.81
KELT-15b (HIGH)
2019-03-18
TESS-1.0 ± 0.86
KELT-15b (HIGH)
2019-03-11
TESS0.56 ± 0.79
KELT-15b (HIGH)
2019-03-08
TESS0.54 ± 0.79
KELT-15b (HIGH)
2019-03-04
TESS-1.0 ± 0.81
KELT-15b (HIGH)
2019-01-30
TESS0.63 ± 0.85
KELT-15b (HIGH)
2019-01-27
TESS-1.86 ± 0.85
KELT-15b (HIGH)
2019-01-23
TESS0.73 ± 0.86
KELT-15b (HIGH)
2019-01-13
TESS1.4 ± 0.79
KELT-15b (HIGH)
2019-01-10
TESS0.11 ± 0.76

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2019-03-21 Edwards et al. 2021 1.23 ± 5.16
2019-02-19 Edwards et al. 2021 -2.36 ± 3.46
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