exoclock
exoclock
WASP-31b
Discovered by: Anderson et al. 2011
The Star
Simbad
GAIA
2MASS
WASP-31
DR2 3545873945303316224
J11174536-1903171
RA 11:17:45.3578 DEC -19:03:17.216
Parallax
2.577 mas
P.M. RA
-28.708 mas/y
P.M. DEC
0.99 mas/y
MagV
11.66
MagR
11.98
MagI*
11.069
MagJ
10.912
MagH
10.709
MagK
10.65
MagG
11.816
MagGBP
12.083
MagGRP
11.398
* calculated from GAIA magnitudes

Ephemeris - Verified True
Kokori et al. 2020
Mid-time
2456088.4374 ± 0.0001 BJDTDB
Period
3.4058853 ± 5e-07 days

Transit Parameters
Anderson et al. 2011
Rp/Rs
0.1271 ± 0.0011
a/Rs
8.0 +0.19 -0.19
i
84.41 +0.22 -0.22 deg
e
-
ω
- deg
DepthR*
17.25 mmag
Duration*
2.67 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Anderson et al. 2011
Teff
6302.0 +102.0 -102.0 K
Log(g)
4.31 +0.023 -0.023 cm/s2
Fe/H
-0.2 +0.09 -0.09 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
5 (3)
2.0±0.5
7
WASP-31b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-06-12 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
5.3 ± 1.0
2021-03-30 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
4.9 ± 1.2
2021-03-23 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
4.4 ± 1.2
2020-05-07 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 90.0
-4.7 ± 1.2
2020-04-02 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 180.0
-0.4 ± 1.0 - Data available


Literature Mid-times
Observation
Date
Mid-time Time format Reference O-C
minutes
2013-03-19 2456371.12637 ± 0.00043 BJD_TDB Sing et al. 2015 0.7 ± 0.6
2013-03-09 2456360.90835 ± 0.00032 BJD_TDB Sing et al. 2015 0.2 ± 0.5
2012-07-10 2456119.08991 ± 0.00041 BJD_TDB Sing et al. 2015 -0.7 ± 0.6
2012-06-26 2456105.46683 ± 0.00037 BJD_TDB Sing et al. 2015 0.0 ± 0.5
2012-05-13 2456061.19042 ± 0.00049 BJD_TDB Sing et al. 2015 0.1 ± 0.7
2011-01-26 2455587.7719 ± 0.0014 BJD_TDB Dragomir et al. 2011 -0.5 ± 2.0
2009-12-27 2455192.6887 ± 0.0003 HJD_UTC Anderson et al. 2011 -0.1 ± 0.4
© 2019-2021 ExoClock Project - Privacy policy