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TOI-1246 b

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Total Reductions to Date: 2

Date Processed: 05/12/2025 at 07:00:28 (PDT)

Exoplanet Watch Ephemeris

Parameter	Value	Uncertainty
Orbital Period (Days)	-	-
Ephemeris (BJD_TDB)	-	-

Assumed Priors

Parameter	Value	Uncertainty	Units	Reference
RA	251.1158702		decimal
DEC	70.4299917		decimal
Host Star Metallicity	0.17	0.06		Turtelboom et al. 2022
Host Star log(g)	4.4	0.1	Log10(cgs)	Turtelboom et al. 2022
Host Star Radius [R_Sun]	0.86	0.05	Sol	Turtelboom et al. 2022
Host Star Effective Temperature [K]	5151.0	100.0	K	Turtelboom et al. 2022
a/R_s	13.4	0.5		Turtelboom et al. 2022
eccentricity	0.0			Turtelboom et al. 2022
inclination [degrees]	87.9	0.4	deg	Turtelboom et al. 2022
omega [degrees]	0.0		deg	Turtelboom et al. 2022
orbital period [days]	4.30744	2e-05	day	Turtelboom et al. 2022
R_p	3.01	0.06	R_Earth	Turtelboom et al. 2022
R_p/R_s	0.0331	0		ExoFOP-TESS TOI
ephemeris [JD]	2458686.5658	0.001	BJD	Turtelboom et al. 2022

Previously Published Mid-Transit Times

Value	Uncertainty	Units	Reference
2458686.5658	0.001	BJD	Turtelboom et al. 2022
2459737.587215	0.0020169	BJD	ExoFOP-TESS TOI

Observations

Light curve chart for 0004091

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Parameter	Value	Uncertainty
Am1	0.9894	0.0095
Am2	0.007	0.014
a/R_s	15.9	1.49
R_p/R_s	0.053	0.017
ephemeris [JD]	2460146.808	0.012
eccentricity	0.0
inclination [degrees]	87.9
omega [degrees]	0.0
orbital period [days]	4.30744
u0	2.4056483321455104
u1	-4.1746350878286025
u2	4.2237640559746366
u3	-1.4547772373525554
duration	0.076	0.011

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 0006140

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Parameter	Value	Uncertainty
Am1	1.0262	0.0095
Am2	-0.015	0.0043
a/R_s	11.92	1.44
R_p/R_s	0.0	0.012
ephemeris [JD]	2460439.693	0.012
eccentricity	0.0
inclination [degrees]	87.9
omega [degrees]	0.0
orbital period [days]	4.30744
u0	1.5357983750744184
u1	-2.608098834351239
u2	3.2261388900626553
u3	-1.1538383827126193
duration	0.105	0.015

Not included in ephemeris calculations

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

Filter	Detail	Min	Max
V	Johnson V	502.8 nm	586.8 nm

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

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