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WASP-82 b

View target in exoplanet catalog

Timing Plot

Total Reductions to Date: 2

Date Processed: 05/09/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter	Value	Uncertainty
Orbital Period (Days)	2.7057844939119424	5.449792033683451e-07
Ephemeris (BJD_TDB)	2460232.9015130163	0.0004267531594701895

Assumed Priors

Parameter	Value	Uncertainty	Units	Reference
RA	72.6605916		decimal
DEC	1.8938365		decimal
Host Star Metallicity	0.12	0.11		Kokori et al. 2023
Host Star log(g)	3.973	0.013	Log10(cgs)	Kokori et al. 2023
Host Star Radius [R_Sun]	2.18	0.08	Sol	Kokori et al. 2023
Host Star Effective Temperature [K]	6490.0	100.0	K	Kokori et al. 2023
a/R_s	4.37	0.14		Kokori et al. 2023
eccentricity	0.0			Stassun et al. 2017
inclination [degrees]	87.9	1.4	deg	Kokori et al. 2023
omega [degrees]	0.0		deg	Kokori et al. 2023
orbital period [days]	2.70578401	5.5e-07	day	Kokori et al. 2023
R_p	18.49	0.99	R_Earth	ExoFOP-TESS TOI
R_p/R_s	0.0866	0		ExoFOP-TESS TOI
ephemeris [JD]	2458217.09214	0.00014	BJD-TDB	Kokori et al. 2023

Previously Published Mid-Transit Times

Value	Uncertainty	Units	Reference
2456157.9898	0.0005	HJD-UTC	West et al. 2016
2456931.8446	0.000555	BJD-TDB, HJD-UTC	Ivshina & Winn 2022, Smith 2015
2458217.09214	0.00014	BJD-TDB	Kokori et al. 2023
2458438.96587	0.0004	BJD	ExoFOP-TESS TOI
2458449.78954	0.00017	BJD	Patel & Espinoza 2022

Observations

Light curve chart for 0002205

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Parameter	Value	Uncertainty
Am1	1.045	0.011
Am2	-0.0385	0.0064
a/R_s	4.97	0.2
R_p/R_s	0.1574	0.0057
ephemeris [JD]	2459883.8557	0.0051
eccentricity	0.0
inclination [degrees]	87.9
omega [degrees]	0.0
orbital period [days]	2.70578401
u0	2.8767000894314774
u1	-5.189627598353498
u2	5.04093292160248
u3	-1.728005337564705
duration	0.1993	0.0077

Not included in ephemeris calculations

Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )

Filter	Detail	Min	Max
I	Cousins I	721.0 nm	875.0 nm

Organization	Observer Code	Secondary Observers
AAVSO	LPAC (collaborate/publish)

Light curve chart for 0004743

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Parameter	Value	Uncertainty
Am1	0.9933	0.0076
Am2	0.00382	0.00099
a/R_s	4.23	0.15
R_p/R_s	0.1023	0.0052
ephemeris [JD]	2460232.8967	0.0035
eccentricity	0.0
inclination [degrees]	87.9
omega [degrees]	0.0
orbital period [days]	2.70578401
u0	2.539933120097017
u1	-4.5552452578212295
u2	4.649570785751163
u3	-1.634258578742946
duration	0.2249	0.0084

Included in ephemeris calculations

Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )

Filter	Detail	Min	Max
RJ	Johnson R	590.0 nm	810.0 nm

Organization	Observer Code	Secondary Observers
AAVSO	MBEB (collaborate/publish)

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