exoclock

WASP-26b

Discovered by: Smalley et al. 2010

The Star
Simbad
GAIA
2MASS
WASP-26
DR2 2416782701664155008
J00182469-1516022
RA 00:18:24.7008 DEC -15:16:02.277
Parallax
3.929 mas
P.M. RA
27.393 mas/y
P.M. DEC
-24.407 mas/y
MagV
11.3
MagR
10.99
MagI
10.46
MagJ
10.021
MagH
9.775
MagK
9.69
MagG
10.994
MagGBP
11.314
MagGRP
10.538
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2456631.49797 ± 0.00023 BJDTDB
Period
2.7565963 ± 6e-07 days

Transit Parameters
Southworth et al. 2014
Rp/Rs
0.0991 ± 0.0018
a/Rs
6.64 +0.16 -0.16
i
82.8 +0.3 -0.3 deg
e
-
ω
- deg
DepthR*
9.9 mmag
Duration*
2.3 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Smalley et al. 2010
Teff
5950.0 +100.0 -100.0 K
Log(g)
4.3 +0.2 -0.2 cm/s2
Fe/H
-0.02 +0.09 -0.09 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
MEDIUM
5 (1)

5

-0.4±0.7

WASP-26b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-10-30 Mike Miller
Georgetown Observatory
Meade 10 inch ACF f8 f5.6
QSI 660 / V / 60.0
-0.4 ± 4.3
2020-09-06 Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 120.0
2.4 ± 1.4 - Data available
2020-08-15 Francois Regembal
HRTobs
Astrosib RC360
SBIG STX 16803 / Lum / 120.0
0.6 ± 2.7 - Data available
2020-08-12 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-2.0 ± 0.9 - Data available
2019-10-27 Stephen Futcher
Hampshire Astronomical Group, Clanfield Observatory
Meade Schmidt-Cassegrain Reflector
Starlight Xpress SX-46 / R / 60.0
3.3 ± 3.3 - Data available


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2013-09-13 2456548.79992 ± 0.00038 BJD_TDB Southworth et al. 2014 -0.2 ± 0.5
2013-09-02 2456537.77389 ± 0.00036 BJD_TDB Southworth et al. 2014 0.3 ± 0.5
2013-08-22 2456526.74716 ± 0.00041 BJD_TDB Southworth et al. 2014 -0.2 ± 0.6
2012-09-17 2456187.68731 ± 0.00043 BJD_TDB Southworth et al. 2014 1.9 ± 0.6
2009-10-19 2455123.6379 ± 0.0005 HJD_UTC Smalley et al. 2010 -1.7 ± 0.7
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