results

HAT-P-25 b

Total Reductions to Date: 24

Date Processed: 09/06/2025 at 07:00:04 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) - -
Ephemeris (BJD_TDB) - -
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 48.4354731 decimal
DEC 25.1973548 decimal
Host Star Metallicity 0.31 0.08 Kokori et al. 2023
Host Star log(g) 4.48 0.04 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 0.959 0.054 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5500.0 80.0 K Kokori et al. 2023
a/Rs 10.9 0.3 Kokori et al. 2023
eccentricity 0.023 0.022 Kokori et al. 2023
inclination [degrees] 88.2 0.5 deg Kokori et al. 2023
omega [degrees] 287.0 52.0 deg Kokori et al. 2023
orbital period [days] 3.65281524 3.7e-07 day Kokori et al. 2023
Rp 12.72 0.54 R_Earth Wang et al. 2018
Rp/Rs 0.0127 0 Wang et al. 2018
ephemeris [JD] 2457759.39314 0.00015 BJD-TDB Kokori et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455176.85203 0.00047 BJD-TDB, BJD-UTC Bonomo et al. 2017, Quinn et al. 2010
2456590.49235 0.00022 BJD-TDB Kokori et al. 2022
2457006.91299 0.00021 BJD-TDB Mallonn et al. 2019
2457405.06986 0.0002 BJD-TDB Ivshina & Winn 2022
2457759.39314 0.00015 BJD-TDB Kokori et al. 2023
2459450.646766 0.00018659 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0000286
Parameter Value Uncertainty
Am1 0.769 0.014
Am2 0.056 0.035
a/Rs 9.41 0.85
Rp/Rs 0.025 0.0074
ephemeris [JD] 2458796.773 0.012
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 1.9279841450357023
u1 -3.4283394626538404
u2 3.8966542592189275
u3 -1.396298883536116
duration 0.116 0.012
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CV Clear (unfiltered) reduced to V sequence 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO FMAA (collaborate/publish)
Light curve chart for 0001895
Parameter Value Uncertainty
Am1 1.125 0.065
Am2 -0.116 0.089
a/Rs 12.0 0.87
Rp/Rs 0.0253 0.0072
ephemeris [JD] 2459826.899 0.012
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 1.9284209874920226
u1 -3.4295071395186554
u2 3.8979430960118813
u3 -1.3968568859013701
duration 0.079 0.012
Not included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CV MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO OAS (collaborate/publish) MOBS
Light curve chart for 19bff12a7317f06c742c4a659a44407a
Parameter Value Uncertainty
Am1 0.9977 0.0066
Am2 0
a/Rs 9.42 0.77
Rp/Rs 0.02539 0.00089
ephemeris [JD] 2459494.4782 0.0081
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5188067205667597
u1 -4.4266841523165406
u2 4.448910948682868
u3 -1.5410334506391479
duration 0.125 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
EPW TESS (collaborate/publish)
Light curve chart for d5b67795b9ad9278fda1622bb0069356
Parameter Value Uncertainty
Am1 0.9976 0.0068
Am2 0
a/Rs 9.48 0.76
Rp/Rs 0.0254 0.00097
ephemeris [JD] 2459476.2132 0.0087
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5178104830991765
u1 -4.423986387009213
u2 4.446042450014705
u3 -1.5398664798534734
duration 0.123 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
EPW TESS (collaborate/publish)
Light curve chart for 243f1906c3e9172cae55732be4555166
Parameter Value Uncertainty
Am1 0.9975 0.0067
Am2 0
a/Rs 9.41 0.74
Rp/Rs 0.02539 0.00086
ephemeris [JD] 2459505.4364 0.0084
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5183838719999656
u1 -4.425471448342912
u2 4.447621711274747
u3 -1.540534068657073
duration 0.124 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
EPW TESS (collaborate/publish)
Light curve chart for e61ef9ac75137f944a5cbc0c0b746d23
Parameter Value Uncertainty
Am1 0.9977 0.0065
Am2 0
a/Rs 9.45 0.74
Rp/Rs 0.0254 0.00093
ephemeris [JD] 2459516.3951 0.0085
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.51869380100841
u1 -4.426509929034208
u2 4.448888066907121
u3 -1.5410718725877248
duration 0.124 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
EPW TESS (collaborate/publish)
Light curve chart for 13569a4b379e339d6e0182b65e79eb99
Parameter Value Uncertainty
Am1 0.9975 0.0068
Am2 0
a/Rs 9.4 0.75
Rp/Rs 0.0254 0.0009
ephemeris [JD] 2459465.2591 0.0085
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.518613165923058
u1 -4.425628762001278
u2 4.4473530636152505
u3 -1.540337401266306
duration 0.124 0.012
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
EPW TESS (collaborate/publish)
Light curve chart for 91fa5d6aac48558feb13f7a10731646d
Parameter Value Uncertainty
Am1 0.9976 0.0066
Am2 0
a/Rs 9.44 0.72
Rp/Rs 0.0254 0.00085
ephemeris [JD] 2459450.6449 0.0087
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5179360324589073
u1 -4.424679492104769
u2 4.447106880095198
u3 -1.540363354182281
duration 0.124 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
EPW TESS (collaborate/publish)
Light curve chart for 9552bd657ec4a0a9bcc90380ee055665
Parameter Value Uncertainty
Am1 0.9975 0.0067
Am2 0
a/Rs 9.64 0.76
Rp/Rs 0.0254 0.00094
ephemeris [JD] 2459509.091 0.0078
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.518590684499988
u1 -4.42639963659042
u2 4.44883510401605
u3 -1.541026085632808
duration 0.121 0.01
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
EPW TESS (collaborate/publish)
Light curve chart for 18a0c0b1606ed2fa6fc47cc58381fb86
Parameter Value Uncertainty
Am1 0.9983 0.0053
Am2 0
a/Rs 9.4 0.85
Rp/Rs 0.0254 0.0071
ephemeris [JD] 2458800.446 0.012
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5192643129201064
u1 -4.4280634846915925
u2 4.450541163871182
u3 -1.541741925781464
duration 0.124 0.012
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
EPW TESS (collaborate/publish)
Light curve chart for 0a761b102cf9fde41a3fbb0e5d748477
Parameter Value Uncertainty
Am1 0.9978 0.0055
Am2 0
a/Rs 9.72 0.87
Rp/Rs 0.0254 0.0072
ephemeris [JD] 2458796.794 0.012
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5184514833109612
u1 -4.426186051783044
u2 4.448758338591143
u3 -1.541023703827396
duration 0.119 0.013
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
EPW TESS (collaborate/publish)
Light curve chart for 14f0c2e2e6546953a50a8bff2e541ca3
Parameter Value Uncertainty
Am1 0.9974 0.0064
Am2 0
a/Rs 9.43 0.74
Rp/Rs 0.02538 0.00085
ephemeris [JD] 2459468.9139 0.0081
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5183137788005108
u1 -4.425431505848331
u2 4.447700757693781
u3 -1.5405829643700542
duration 0.124 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
EPW TESS (collaborate/publish)
Light curve chart for 2d6d8d0ff856f29492c5bcc0c5b2e6ea
Parameter Value Uncertainty
Am1 0.9979 0.0067
Am2 0
a/Rs 9.44 0.77
Rp/Rs 0.02538 0.00092
ephemeris [JD] 2459483.5224 0.0078
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.519373123005653
u1 -4.428161758951943
u2 4.450404661582492
u3 -1.5416159593200036
duration 0.124 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
EPW TESS (collaborate/publish)
Light curve chart for 6d0d4c2bca75e04bb757cf5c486a3be0
Parameter Value Uncertainty
Am1 0.9977 0.0066
Am2 0
a/Rs 9.41 0.73
Rp/Rs 0.0254 0.00093
ephemeris [JD] 2459490.8241 0.0079
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.518683958554696
u1 -4.426467331124293
u2 4.448781464424984
u3 -1.5409980255633777
duration 0.124 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
EPW TESS (collaborate/publish)
Light curve chart for 1201624fc38180c89333d6de502294f9
Parameter Value Uncertainty
Am1 0.9974 0.0068
Am2 0
a/Rs 9.45 0.72
Rp/Rs 0.0254 0.00093
ephemeris [JD] 2459501.784 0.0081
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5186371911742333
u1 -4.426300625625044
u2 4.448571261191748
u3 -1.5409077604520598
duration 0.123 0.01
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
EPW TESS (collaborate/publish)
Light curve chart for b20f1c642d092a75eae1b970f6329491
Parameter Value Uncertainty
Am1 0.9979 0.0066
Am2 0
a/Rs 9.41 0.78
Rp/Rs 0.02539 0.00095
ephemeris [JD] 2459498.1336 0.0082
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.518125999014029
u1 -4.4250647545637785
u2 4.447396411050265
u3 -1.540457589229145
duration 0.124 0.012
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
EPW TESS (collaborate/publish)
Light curve chart for d6d7aa35c1ee6a2c4b2a40cc2eedd1ac
Parameter Value Uncertainty
Am1 0.9976 0.0065
Am2 0
a/Rs 9.42 0.75
Rp/Rs 0.02539 0.00086
ephemeris [JD] 2459520.0495 0.0084
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.51795980615478
u1 -4.424985853467016
u2 4.447588507816272
u3 -1.5405623942298035
duration 0.124 0.012
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
EPW TESS (collaborate/publish)
Light curve chart for fdcd3fa7cb4d4591f148e36342ee811b
Parameter Value Uncertainty
Am1 0.9975 0.0055
Am2 0
a/Rs 9.4 0.85
Rp/Rs 0.0253 0.0071
ephemeris [JD] 2458793.142 0.011
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5182114324838887
u1 -4.425142481093469
u2 4.447339128493983
u3 -1.5404080136138854
duration 0.124 0.013
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
EPW TESS (collaborate/publish)
Light curve chart for 29a300f0fdfde27719671afa4e08ac02
Parameter Value Uncertainty
Am1 0.9976 0.0063
Am2 0
a/Rs 9.51 0.74
Rp/Rs 0.02539 0.00088
ephemeris [JD] 2459461.6089 0.0084
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.517851339625579
u1 -4.424561888026106
u2 4.447086039486075
u3 -1.5403754248188029
duration 0.123 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
EPW TESS (collaborate/publish)
Light curve chart for b89a033e820e822bddfd068d871845b1
Parameter Value Uncertainty
Am1 0.9975 0.0067
Am2 0
a/Rs 9.42 0.74
Rp/Rs 0.02538 0.00091
ephemeris [JD] 2459479.8713 0.0092
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.517349189538642
u1 -4.422856478685734
u2 4.444976408614037
u3 -1.5394690532316346
duration 0.123 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
EPW TESS (collaborate/publish)
Light curve chart for f16cd98404212697f662584b92cb779f
Parameter Value Uncertainty
Am1 0.9973 0.0068
Am2 0
a/Rs 9.4 0.76
Rp/Rs 0.0254 0.00097
ephemeris [JD] 2459523.7055 0.0088
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5187770600703296
u1 -4.426686349978772
u2 4.448975547496016
u3 -1.5410661912926726
duration 0.124 0.012
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
EPW TESS (collaborate/publish)
Light curve chart for e7c4b248360d5c042a492d94f8b6b7b5
Parameter Value Uncertainty
Am1 0.998 0.0064
Am2 0
a/Rs 9.47 0.72
Rp/Rs 0.0254 0.00084
ephemeris [JD] 2459454.3002 0.0078
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5186374214977723
u1 -4.426567717515748
u2 4.449072787090717
u3 -1.5411424247763912
duration 0.123 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
EPW TESS (collaborate/publish)
Light curve chart for 4ab9599231db2addd9563fc20534d240
Parameter Value Uncertainty
Am1 0.9972 0.0058
Am2 0
a/Rs 9.57 0.88
Rp/Rs 0.0254 0.0072
ephemeris [JD] 2458811.403 0.012
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.518768120489256
u1 -4.426596954983768
u2 4.448804102270692
u3 -1.5409752014838332
duration 0.122 0.012
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
EPW TESS (collaborate/publish)
Light curve chart for 0c25279f06447429467e6c32bdb5ac1f
Parameter Value Uncertainty
Am1 0.9992 0.0058
Am2 0
a/Rs 9.41 0.86
Rp/Rs 0.0254 0.0073
ephemeris [JD] 2458804.096 0.012
eccentricity 0.023
inclination [degrees] 88.2
omega [degrees] 287.0
orbital period [days] 3.65281524
u0 2.5181205490099625
u1 -4.425186175921844
u2 4.447667756297513
u3 -1.5406020631102173
duration 0.124 0.013
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
EPW TESS (collaborate/publish)