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HAT-P-51 b

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Total Reductions to Date: 9

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 4.218020325011258 7.179994832707662e-07
Ephemeris (BJD_TDB) 2459939.7253550566 0.00041499123304576446
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 21.0651251 decimal
DEC 32.8107 decimal
Host Star Metallicity 0.27 0.08 Kokori et al. 2022
Host Star log(g) 4.39 0.03 Log10(cgs) Kokori et al. 2022
Host Star Radius [R_Sun] 1.04 0.04 Sol Kokori et al. 2022
Host Star Effective Temperature [K] 5449.0 50.0 K Kokori et al. 2022
a/Rs 10.48 0.28 Hartman et al. 2015
eccentricity 0.07 Bonomo et al. 2017
inclination [degrees] 88.48 0.57 deg Bonomo et al. 2017
omega [degrees] 0.0 deg Kokori et al. 2022
orbital period [days] 4.2180226 9e-07 day Kokori et al. 2022
Rp 13.7 0.82 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1361 0 ExoFOP-TESS TOI
ephemeris [JD] 2457868.67797 0.00024 BJD-TDB Kokori et al. 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456194.12243 0.0004 BJD-TDB, BJD-UTC Bonomo et al. 2017, Hartman et al. 2015
2457868.67797 0.00024 BJD-TDB Kokori et al. 2022
2459855.36278 0.000976 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001087
Parameter Value Uncertainty
Am1 1.0023 0.0057
Am2 -0.001 0.014
a/Rs 10.77 0.27
Rp/Rs 0.1305 0.0038
ephemeris [JD] 2459551.6617 0.0018
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 1.6451750194164836
u1 -2.845924100383883
u2 3.4527722461020782
u3 -1.2520231136843631
duration 0.1363 0.0038
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 CCHD (collaborate/publish)
Light curve chart for 0002263
Parameter Value Uncertainty
Am1 1.003 0.0048
Am2 -0.0021 0.0018
a/Rs 10.48 0.32
Rp/Rs 0.1296 0.0032
ephemeris [JD] 2459939.7258 0.0017
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 1.7207037568770924
u1 -3.0107534079344678
u2 3.5848250295601796
u3 -1.294775325084749
duration 0.1404 0.0045
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 418.0 nm 700.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0004407
Parameter Value Uncertainty
Am1 0.993 0.022
Am2 0.0069 0.0063
a/Rs 9.09 0.79
Rp/Rs 0.108 0.029
ephemeris [JD] 2460192.7955 0.0099
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 1.645212324716157
u1 -2.8459667804072524
u2 3.4527759636739273
u3 -1.2520214565324603
duration 0.16 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 CPHB (collaborate/publish) MOBS
Light curve chart for cff8bdb33f5a21bfbe08ab9606d09f08
Parameter Value Uncertainty
Am1 1.0003 0.0056
Am2 0
a/Rs 10.67 0.28
Rp/Rs 0.1301 0.0034
ephemeris [JD] 2459859.5805 0.0016
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 2.51464154485065
u1 -4.41306271390198
u2 4.428556054305033
u3 -1.5301348192630746
duration 0.1378 0.0039
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 b5257b2001e30003a9fdf95b0e445708
Parameter Value Uncertainty
Am1 1.0002 0.0052
Am2 0
a/Rs 10.41 0.26
Rp/Rs 0.1231 0.003
ephemeris [JD] 2459876.4543 0.0016
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 2.5152684906749436
u1 -4.414811210422468
u2 4.430425882356703
u3 -1.530883096590688
duration 0.1403 0.004
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 da8889f532eeb66a661f70a883ae4508
Parameter Value Uncertainty
Am1 0.9998 0.0054
Am2 0
a/Rs 10.27 0.28
Rp/Rs 0.1236 0.003
ephemeris [JD] 2459872.2363 0.0017
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 2.5150009562897178
u1 -4.413908504745293
u2 4.4293384227049195
u3 -1.5304308082470581
duration 0.1429 0.0043
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 8043b6985cd878174ef76fae1e007529
Parameter Value Uncertainty
Am1 1.0002 0.0054
Am2 0
a/Rs 10.6 0.27
Rp/Rs 0.1259 0.0031
ephemeris [JD] 2459880.6767 0.0015
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 2.514902196608953
u1 -4.4137743026201885
u2 4.429296593932332
u3 -1.530424421919434
duration 0.1378 0.0038
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 b15db942d11d1569600749d271f93723
Parameter Value Uncertainty
Am1 1.0006 0.0051
Am2 0
a/Rs 10.92 0.27
Rp/Rs 0.1289 0.0031
ephemeris [JD] 2459855.3639 0.0014
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 2.514518084862948
u1 -4.412449284478364
u2 4.427722246600632
u3 -1.5297909810070132
duration 0.1342 0.0034
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 356b64a4d30754a4db4be47ec08bffa3
Parameter Value Uncertainty
Am1 0.9994 0.0052
Am2 0
a/Rs 10.76 0.24
Rp/Rs 0.1266 0.003
ephemeris [JD] 2459868.0179 0.0014
eccentricity 0.07
inclination [degrees] 88.48
omega [degrees] 0.0
orbital period [days] 4.2180226
u0 2.5154401248782468
u1 -4.414875081342197
u2 4.430224471870211
u3 -1.5307894493907717
duration 0.1362 0.0032
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)

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