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WASP-61 b

View target in exoplanet catalog

Timing Plot

Total Reductions to Date: 1

Date Processed: 05/18/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter	Value	Uncertainty
Orbital Period (Days)	3.8558972256287203	3.227306935448098e-07
Ephemeris (BJD_TDB)	2460297.666409873	0.00028455047047766204

Assumed Priors

Parameter	Value	Uncertainty	Units	Reference
RA	75.2996637		decimal
DEC	-26.0541438		decimal
Host Star Metallicity	-0.1	0.12		Patel & Espinoza 2022
Host Star log(g)	4.26	0.01	Log10(cgs)	Patel & Espinoza 2022
Host Star Radius [R_Sun]	1.36	0.03	Sol	Kokori et al. 2023
Host Star Effective Temperature [K]	6320.0	140.0	K	Kokori et al. 2023
a/R_s	7.93	0.09		Kokori et al. 2023
eccentricity	0.074			Bonomo et al. 2017
inclination [degrees]	89.3	0.5	deg	Kokori et al. 2023
omega [degrees]	0.0		deg	Kokori et al. 2023
orbital period [days]	3.85589659	5e-07	day	Kokori et al. 2023
R_p	14.52	0.6	R_Earth	ExoFOP-TESS TOI
R_p/R_s	0.0987	0		ExoFOP-TESS TOI
ephemeris [JD]	2457128.11889	0.00019	BJD-TDB	Kokori et al. 2023

Previously Published Mid-Transit Times

Value	Uncertainty	Units	Reference
2455859.5286649996	0.00023	BJD-TDB, HJD-UTC	Bonomo et al. 2017, Hellier et al. 2012
2456075.4585	0.0005	BJD-TDB	Brown et al. 2017
2456152.57714	0.00023	BJD-TDB	Kokori et al. 2022
2457128.11889	0.00019	BJD-TDB	Kokori et al. 2023
2458439.12378	0.00026	BJD-TDB	Ivshina & Winn 2022
2459175.599762	0.00076673	BJD	ExoFOP-TESS TOI
2459198.73545	0.00033	BJD	Patel & Espinoza 2022

Observations

Light curve chart for 0005201

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Parameter	Value	Uncertainty
Am1	0.9988	0.003
Am2	0.00092	0.00064
a/R_s	8.141	0.096
R_p/R_s	0.0915	0.0015
ephemeris [JD]	2460297.66921	0.00087
eccentricity	0.074
inclination [degrees]	89.3
omega [degrees]	0.0
orbital period [days]	3.85589659
u0	2.3186375759816618
u1	-4.067473187757143
u2	4.295061631347656
u3	-1.5462259555707702
duration	0.164	0.002

Included in ephemeris calculations

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

Filter	Detail	Min	Max
R	Cousins R	561.7 nm	719.7 nm

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

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