exoclock

WASP-172b (MEDIUM)

Discovered by: Hellier et al. 2019

The Star
Simbad
GAIA
2MASS
CD-46 8537
DR2 6086712585429729536
J13174412-4714152
RA 13:17:44.1223 DEC -47:14:15.277
Parallax
1.831 mas
P.M. RA
-15.976 mas/y
P.M. DEC
0.505 mas/y
MagV
10.99
MagR*
10.846
MagI*
10.522
MagJ
10.312
MagH
10.169
MagK
10.13
MagG
11.01
MagGBP
11.219
MagGRP
10.68
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458856.24722 ± 0.0002 BJDTDB
Period
5.4774317 ± 1.1e-06 days

Transit Parameters
Hellier et al. 2019
Rp/Rs
0.0849 ± 0.0012
a/Rs**
7.69 +0.12 -0.12
i
86.7 +1.1 -1.1 deg
e
-
ω
- deg
DepthR*
8.97 mmag
Duration*
5.41 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2019
Teff
6900.0 +140.0 -140.0 K
Log(g)
4.05 +0.05 -0.05 cm/s2
Fe/H
-0.1 +0.08 -0.08 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 5.4"
Total Observations (Recent) 13 (0)
O-C 0.02 ± 0.37 minutes
ExoClock Observations (Recent) 3 (0)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08958 ± 0.00038

WASP-172b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-172b (MEDIUM)
2021-06-11
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
1.25 ± 1.73
WASP-172b (MEDIUM)
2021-05-31
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-1.39 ± 2.16
WASP-172b (MEDIUM)
2021-04-28
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 60.0
-1.98 ± 2.02

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-172b (MEDIUM)
2021-05-25
TESS-0.92 ± 1.09
WASP-172b (MEDIUM)
2021-05-20
TESS-1.84 ± 1.17
WASP-172b (MEDIUM)
2021-05-14
TESS0.6 ± 1.24
WASP-172b (MEDIUM)
2021-05-09
TESS0.73 ± 1.24
WASP-172b (MEDIUM)
2021-05-03
TESS-0.36 ± 1.18
WASP-172b (MEDIUM)
2021-04-22
TESS1.29 ± 1.14
WASP-172b (MEDIUM)
2021-04-17
TESS1.23 ± 1.35
WASP-172b (MEDIUM)
2021-04-11
TESS-0.61 ± 1.15
WASP-172b (MEDIUM)
2021-04-06
TESS1.04 ± 1.12

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2015-01-09 Hellier et al. 2019 0.05 ± 0.72
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