Skip Navigation
menu close modal

results

WASP-25 b

View target in exoplanet catalog
chart

Total Reductions to Date: 12

Date Processed: 09/18/2023 at 00:07:19 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.7648334876372918 1.898512274858799e-07
Ephemeris (BJD_TDB) 2460048.8056506338 0.00017441411008176322
Time saved (hours) 0.0014  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 195.3597581 decimal
DEC -27.5222273 decimal
Host Star Metallicity -0.05 0.1 Patel & Espinoza 2022
Host Star log(g) 4.5 0.15 Log10(cgs) Patel & Espinoza 2022
Host Star Radius [R_Sun] 0.8 0.08 Sol Patel & Espinoza 2022
Host Star Effective Temperature [K] 5750.0 100.0 K Patel & Espinoza 2022
a/Rs 11.2 0.25 Patel & Espinoza 2022
eccentricity 0.083 Bonomo et al. 2017
inclination [degrees] 88.0 0.5 deg Bonomo et al. 2017
omega [degrees] 0.0 deg Enoch et al. 2010
orbital period [days] 3.7648304 4.5e-06 day Patel & Espinoza 2022
Rp 13.955 0.09 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1492 0 ExoFOP-TESS TOI
ephemeris [JD] 2458580.52049 0.00014 BJD Patel & Espinoza 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455274.99649 0.00017 HJD Enoch et al. 2010
2455888.66484 0.00013 BJD-TDB Bonomo et al. 2017, Southworth et al. 2014
2456396.9176 0.0004 BJD-TDB Kokori et al. 2022
2456449.62486 0.00016 BJD-TDB Ivshina & Winn 2022
2458572.990673 0.000252 BJD ExoFOP-TESS TOI
2458580.52049 0.00014 BJD Patel & Espinoza 2022

Observations

Light curve chart for 0003582
Parameter Value Uncertainty
Am1 0.98 0.011
Am2 0.0093 0.0043
a/Rs 11.05 0.59
Rp/Rs 0.138 0.012
ephemeris [JD] 2455662.7712 0.0035
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 1.7529685294712067
u1 -3.0389063036502915
u2 3.675572876324037
u3 -1.3896350473746484
duration 0.1159 0.0069
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 MCNA (collaborate/publish) MOBS , KJUA
Light curve chart for 0004203
Parameter Value Uncertainty
Am1 1.364 0.025
Am2 -0.152 0.017
a/Rs 11.83 0.73
Rp/Rs 0.023 0.052
ephemeris [JD] 2456031.75 0.012
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 1.752667246593126
u1 -3.0388083895675324
u2 3.6760947671700523
u3 -1.3899535694175653
duration 0.0971 0.0086
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 DKEB (collaborate/publish) MOBS
Light curve chart for 0000268
Parameter Value Uncertainty
Am1 0.8537 0.0075
Am2 0.0145 0.0077
a/Rs 10.24 0.46
Rp/Rs 0.137 0.012
ephemeris [JD] 2458960.7661 0.0026
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.010611445167289
u1 -3.625990970316753
u2 4.151953378452539
u3 -1.5365737914341495
duration 0.1266 0.0064
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 0000343
Parameter Value Uncertainty
Am1 0.934 0.0052
Am2 -0.0146 0.0025
a/Rs 12.44 0.23
Rp/Rs 0.126 0.0046
ephemeris [JD] 2459028.5448 0.0018
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 1.7540328000495058
u1 -3.0412443845894215
u2 3.678066213448508
u3 -1.390854574101135
duration 0.1001 0.0022
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 DIGA (collaborate/publish)
Light curve chart for 0001066
Parameter Value Uncertainty
Am1 1.029 0.012
Am2 -0.012 0.019
a/Rs 12.06 0.35
Rp/Rs 0.156 0.013
ephemeris [JD] 2459295.8458 0.0018
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.010305801451243
u1 -3.6252053852857147
u2 4.15077589234901
u3 -1.5358762466631584
duration 0.107 0.0037
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 KADB (collaborate/publish) MOBS
Light curve chart for 0003192
Parameter Value Uncertainty
Am1 1.387 0.015
Am2 -0.15 0.029
a/Rs 11.76 0.68
Rp/Rs 0.175 0.022
ephemeris [JD] 2460048.8195 0.0044
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.0096449018345113
u1 -3.622848353659313
u2 4.147665290268896
u3 -1.534461776639065
duration 0.1018 0.0059
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 cd7cf124b3cecc3e54d4a56572b48787
Parameter Value Uncertainty
Am1 1.0004 0.0019
Am2 0
a/Rs 11.1 0.14
Rp/Rs 0.1386 0.0016
ephemeris [JD] 2458591.81495 0.00065
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.6721630215744243
u1 -4.808121124338784
u2 4.829390537039055
u3 -1.6934323623111691
duration 0.1155 0.0017
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 4353baded3e1c7bc7058c5c72c3e02ef
Parameter Value Uncertainty
Am1 0.9993 0.002
Am2 0
a/Rs 11.1 0.19
Rp/Rs 0.1414 0.0023
ephemeris [JD] 2458595.57972 0.0009
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.671992922186849
u1 -4.807002060093566
u2 4.827573879400025
u3 -1.6925646695568517
duration 0.116 0.0022
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 408362d83593e4f57bb66ee499df0ce7
Parameter Value Uncertainty
Am1 0.9996 0.0018
Am2 0
a/Rs 11.01 0.13
Rp/Rs 0.139 0.0016
ephemeris [JD] 2458572.99057 0.00061
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.6728479898159416
u1 -4.81092167874393
u2 4.832895234486733
u3 -1.694821473542993
duration 0.1168 0.0016
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 7524d3b06157c71d59c0e7b2eeb67ea8
Parameter Value Uncertainty
Am1 1.0 0.0019
Am2 0
a/Rs 10.98 0.13
Rp/Rs 0.1377 0.0017
ephemeris [JD] 2458588.05022 0.00063
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.671724739331088
u1 -4.806797419843617
u2 4.8277590962993795
u3 -1.692686343847634
duration 0.1168 0.0016
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 db219d8bf2d3a51d58bd2fc2549a4b5b
Parameter Value Uncertainty
Am1 0.9995 0.0025
Am2 0
a/Rs 10.91 0.15
Rp/Rs 0.1411 0.0018
ephemeris [JD] 2458580.52083 0.00071
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.6700812569791026
u1 -4.8016036609477695
u2 4.821891594103623
u3 -1.6903691182831722
duration 0.1181 0.0019
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 6bed0ed8a7978a02aa500ac0650419c3
Parameter Value Uncertainty
Am1 0.9993 0.0022
Am2 0
a/Rs 10.99 0.13
Rp/Rs 0.1404 0.0017
ephemeris [JD] 2458576.75599 0.00064
eccentricity 0.083
inclination [degrees] 88.0
omega [degrees] 0.0
orbital period [days] 3.7648304
u0 2.672298127714956
u1 -4.808740958059514
u2 4.830254911492753
u3 -1.6938120091717885
duration 0.1174 0.0016
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)

Explore Alien Worlds

Exoplanet Travel Bureau

This set of travel posters envision a day when the creativity of scientists and engineers will allow us to do things we can only dream of now.
More

Strange New Worlds

Explore an interactive gallery of some of the most intriguing and exotic planets discovered so far.
More
A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.

Historic Timeline

A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.
More