exoclock

WASP-13b (LOW)

Discovered by: Skillen et al. 2009

The Star
Simbad
GAIA
2MASS
BD+34 1976
DR2 702295464353437952
J09202471+3352567
RA 09:20:24.7143 DEC +33:52:56.699
Parallax
4.367 mas
P.M. RA
-2.155 mas/y
P.M. DEC
-20.319 mas/y
MagV
10.42
MagR*
10.17
MagI*
9.767
MagJ
9.442
MagH
9.182
MagK
9.119
MagG
10.38
MagGBP
10.692
MagGRP
9.935
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457077.3036 ± 0.00028 BJDTDB
Period
4.35301101 ± 6.6e-07 days

Transit Parameters
Skillen et al. 2009
Rp/Rs
0.0933 ± 0.0021
a/Rs
8.51 +0.21 -0.21
i
86.9 +1.6 -1.2 deg
e
-
ω
- deg
DepthR*
10.97 mmag
Duration*
3.89 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Skillen et al. 2009
Teff
5826.0 +100.0 -100.0 K
Log(g)
4.04 +0.2 -0.2 cm/s2
Fe/H
0.0 +0.2 -0.2 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 31 (6)
O-C 1.91 ± 0.65 minutes
ExoClock Observations (Recent) 8 (6)
Space Observations (Recent) 6 (0)
ETD Observations (Recent) 11 (0)
Literature Mid-times (Recent) 6 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.09131 ± 0.00037

WASP-13b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-13b (LOW)
2022-02-08
Giuseppe Conzo
Explorer Orbanić Observatory
Newton GSO Truss 254mm F/3.8
Atik 414 Ex Mono / R / 60.0
-2.35 ± 3.02
WASP-13b (LOW)
2022-01-26
Jean-Bernard Pioppa
La Roque-Esclapon
KEPLER
ATIK 383 L+ / R / 60.0
4.32 ± 4.32
WASP-13b (LOW)
2022-01-05
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 45.0
3.4 ± 1.15
WASP-13b (LOW)
2022-01-05
David Wright
Yorick (private observatory)
10" Ritchey-Chretien
QSI 683WSG-8 / R / 90.0
2.39 ± 2.3
WASP-13b (LOW)
2022-01-05
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 100.0
1.52 ± 1.01
WASP-13b (LOW)
2022-01-05
Simon Dawes
William James II Observatory
Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 120.0
-2.8 ± 3.17
WASP-13b (LOW)
2021-02-03
David Wright
Yorick (private observatory)
10" Ritchey-Chretien
QSI 683WSG-8 / R / 120.0
1.74 ± 2.59
WASP-13b (LOW)
2020-04-13
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
0.22 ± 1.87

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-13b (LOW)
2020-02-17
TESS1.57 ± 0.75
WASP-13b (LOW)
2020-02-13
TESS0.52 ± 0.78
WASP-13b (LOW)
2020-02-08
TESS-0.03 ± 0.76
WASP-13b (LOW)
2020-01-30
TESS0.13 ± 0.72
WASP-13b (LOW)
2020-01-26
TESS0.03 ± 0.68
WASP-13b (LOW)
2020-01-22
TESS-1.56 ± 0.89

ETD Observations

Planet
Observation Date
Observer(s) ETD link O-C
minutes
WASP-13b (LOW)
2019-02-21
Pere Guerra1550936774-2.86 ± 1.01
WASP-13b (LOW)
2019-01-04
Fran Campos15466451012.93 ± 1.44
WASP-13b (LOW)
2014-03-16
Mark Salisbury1395472915-1.92 ± 1.58
WASP-13b (LOW)
2013-03-29
Stan Shadick13646016092.54 ± 2.59
WASP-13b (LOW)
2012-02-05
Stan Shadick13330612931.75 ± 1.58
WASP-13b (LOW)
2012-01-19
Ramon Naves1326957973-3.65 ± 1.44
WASP-13b (LOW)
2011-03-07
Stan Shadick and Colleen Ambler13115373433.55 ± 1.44
WASP-13b (LOW)
2011-02-17
Veli-Pekka Hentunen12980122924.77 ± 2.02
WASP-13b (LOW)
2010-02-25
Tomáš Hynek12671608912.61 ± 1.58
WASP-13b (LOW)
2010-02-04
Jaroslav Trnka12652695300.1 ± 3.02
WASP-13b (LOW)
2009-12-26
Hana Kučáková1261887802-2.06 ± 2.59

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2011-01-14 Barros et al. 2012 1.32 ± 0.73
2010-02-04 Barros et al. 2012 -2.13 ± 0.65
2009-05-05 Barros et al. 2012 -4.17 ± 0.85
2009-01-30 Barros et al. 2012 0.8 ± 0.7
2008-02-16 Barros et al. 2012 3.29 ± 1.37
2008-01-26 Skillen et al. 2009 2.65 ± 1.01
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