exoclock

WASP-91b (LOW)

Discovered by: Anderson et al. 2017

The Star
Simbad
GAIA
2MASS
WASP-91
DR2 6386751579018596864
J23512286-7009103
RA 23:51:22.8514 DEC -70:09:10.276
Parallax
6.64 mas
P.M. RA
96.184 mas/y
P.M. DEC
-1.746 mas/y
MagV
11.98
MagR*
11.366
MagI*
10.995
MagJ
10.275
MagH
9.838
MagK
9.712
MagG
11.624
MagGBP
12.128
MagGRP
10.996
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458514.194235 ± 7.7e-05 BJDTDB
Period
2.79857894 ± 2.3e-07 days

Transit Parameters
Anderson et al. 2017
Rp/Rs
0.1225 ± 0.0012
a/Rs
9.1 +0.3 -0.3
i
86.8 +0.4 -0.4 deg
e
-
ω
- deg
DepthR*
19.09 mmag
Duration*
2.36 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Anderson et al. 2017
Teff
4920.0 +80.0 -80.0 K
Log(g)
4.3 +0.2 -0.2 cm/s2
Fe/H
0.19 +0.13 -0.13 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 34 (5)
O-C -0.6 ± 0.36 minutes
ExoClock Observations (Recent) 8 (5)
Space Observations (Recent) 25 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.12146 ± 0.00028

WASP-91b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-91b (LOW)
2023-08-03
Marcelo Emilio
Pico dos Dias
Boller & Chivens
Ikon 14912 / R / 40.0
0.59 ± 0.73
WASP-91b (LOW)
2023-07-06
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.08 ± 1.24
WASP-91b (LOW)
2023-07-06
Raylan Ari Prestes Martins
Observatório Pico dos Dias
B&C
Ikon 14912 / R / 40.0
-3.95 ± 0.73
WASP-91b (LOW)
2023-06-08
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.46 ± 0.78
WASP-91b (LOW)
2023-05-25
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.79 ± 0.78
WASP-91b (LOW)
2022-07-04
David Patterson
Numurkah Observatory
Sky Watcher Esprit 120ED APO
ZWOASI294MM Pro / Lum / 60.0
-3.49 ± 2.74
WASP-91b (LOW)
2021-12-29
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2.11 ± 1.15
WASP-91b (LOW)
2021-12-01
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
1.52 ± 0.86

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-91b (LOW)
2020-08-23
TESS0.76 ± 0.62
WASP-91b (LOW)
2020-08-20
TESS-0.56 ± 0.58
WASP-91b (LOW)
2020-08-18
TESS0.13 ± 0.59
WASP-91b (LOW)
2020-08-15
TESS0.7 ± 0.52
WASP-91b (LOW)
2020-08-09
TESS-0.6 ± 0.55
WASP-91b (LOW)
2020-08-06
TESS0.22 ± 0.58
WASP-91b (LOW)
2020-08-04
TESS-0.25 ± 0.5
WASP-91b (LOW)
2020-08-01
TESS-1.16 ± 0.56
WASP-91b (LOW)
2020-07-29
TESS0.58 ± 0.56
WASP-91b (LOW)
2020-07-26
TESS-0.01 ± 0.52
WASP-91b (LOW)
2020-07-23
TESS-0.16 ± 0.48
WASP-91b (LOW)
2020-07-21
TESS-0.03 ± 0.6
WASP-91b (LOW)
2020-07-15
TESS0.7 ± 0.55
WASP-91b (LOW)
2020-07-12
TESS-0.64 ± 0.53
WASP-91b (LOW)
2020-07-09
TESS-0.28 ± 0.59
WASP-91b (LOW)
2020-07-07
TESS0.29 ± 0.55
WASP-91b (LOW)
2018-08-21
TESS-0.79 ± 0.62
WASP-91b (LOW)
2018-08-15
TESS-0.01 ± 0.56
WASP-91b (LOW)
2018-08-12
TESS0.61 ± 0.66
WASP-91b (LOW)
2018-08-10
TESS-0.2 ± 0.6
WASP-91b (LOW)
2018-08-07
TESS1.09 ± 0.79
WASP-91b (LOW)
2018-08-04
TESS-0.9 ± 0.58
WASP-91b (LOW)
2018-08-01
TESS0.08 ± 0.58
WASP-91b (LOW)
2018-07-29
TESS-0.89 ± 0.49
WASP-91b (LOW)
2018-07-27
TESS0.32 ± 0.62

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2013-01-05 Anderson et al. 2017 0.12 ± 0.29
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