results

HAT-P-22 b

Timing Plot

Total Reductions to Date: 14

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.2122320155882877 8.130126992855209e-08
Ephemeris (BJD_TDB) 2460362.105512506 6.775445095798759e-05
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 155.6814593 decimal
DEC 50.1287115 decimal
Host Star Metallicity 0.24 0.08 Kokori et al. 2023
Host Star log(g) 4.36 0.04 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.04 0.044 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5302.0 80.0 K Yalçınkaya et al. 2024
a/Rs 8.6 0.3 Kokori et al. 2023
eccentricity 0.016 0.009 Kokori et al. 2023
inclination [degrees] 86.9 0.6 deg Kokori et al. 2023
omega [degrees] 156.0 66.0 deg Kokori et al. 2023
orbital period [days] 3.21223265 1e-07 day Yalçınkaya et al. 2024
Rp 11.88 0.83 R_Earth Mancini et al. 2018
Rp/Rs 0.1201 0 ExoFOP-TESS TOI
ephemeris [JD] 2454891.67399 0.00013 BJD-TDB Yalçınkaya et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454891.67399 0.00013 BJD-TDB Yalçınkaya et al. 2024
2454930.220975 0.0002275 BJD, BJD-TDB, BJD-UTC Mancini et al. 2018, Bonomo et al. 2017, Turner et al. 2016, Bakos et al. 2010
2456603.79429 0.00014 BJD-TDB Kokori et al. 2022
2458261.30598 6.9e-05 BJD-TDB Kokori et al. 2023
2458871.62997 0.00011 BJD-TDB Ivshina & Winn 2022
2460362.105227 8.82e-05 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001201
Parameter Value Uncertainty
Am1 1.0006 0.0087
Am2 0.002 0.079
a/Rs 7.89 0.38
Rp/Rs 0.126 0.017
ephemeris [JD] 2459616.8735 0.0027
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 1.605513387892532
u1 -2.7534950045579465
u2 3.349402430771584
u3 -1.2014207641961843
duration 0.1294 0.0052
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 MBEB (collaborate/publish)
Light curve chart for 0001234
Parameter Value Uncertainty
Am1 1.1265 0.0091
Am2 -0.0829 0.0054
a/Rs 8.66 0.67
Rp/Rs 0.099 0.014
ephemeris [JD] 2459629.7216 0.0061
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 1.9926949299541328
u1 -3.3494195549557557
u2 3.6387978258978566
u3 -1.282073146673921
duration 0.118 0.012
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 615.0 nm 690.0 nm
Organization Observer Code Secondary Observers
AAVSO LDJC (collaborate/publish)
Light curve chart for 0002240
Parameter Value Uncertainty
Am1 1.0084 0.0033
Am2 -0.00563 0.00078
a/Rs 8.511 0.079
Rp/Rs 0.108 0.0014
ephemeris [JD] 2459928.45398 0.00057
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 1.9329923825169726
u1 -3.2525527337712945
u2 3.5879359982997383
u3 -1.2683755935810037
duration 0.121 0.0014
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) PERC
Light curve chart for 0002270
Parameter Value Uncertainty
Am1 1.2066 0.0075
Am2 -0.164 0.012
a/Rs 8.62 0.7
Rp/Rs 0.123 0.016
ephemeris [JD] 2459934.8811 0.0067
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.4834179734752886
u1 -4.357249219018725
u2 4.3864900884648845
u3 -1.5126587775576525
duration 0.121 0.012
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 0002935
Parameter Value Uncertainty
Am1 0.9478 0.0042
Am2 0.0457 0.0025
a/Rs 8.78 0.22
Rp/Rs 0.084 0.003
ephemeris [JD] 2459976.6365 0.0015
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 1.8800155412892126
u1 -3.158390416044697
u2 3.530781035503544
u3 -1.2524061081353222
duration 0.1136 0.0036
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
SR Sloan r 553.1 nm 693.1 nm
Organization Observer Code Secondary Observers
AAVSO SAJB (collaborate/publish)
Light curve chart for 0004705
Parameter Value Uncertainty
Am1 1.262 0.01
Am2 -0.193 0.025
a/Rs 7.11 0.73
Rp/Rs 0.105 0.025
ephemeris [JD] 2460008.7426 0.0064
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 1.8921573077051403
u1 -3.3210286581382444
u2 3.7518689376730303
u3 -1.3229975313327227
duration 0.149 0.019
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 PMIF (collaborate/publish) UNIS
Light curve chart for de3e3327e74a05249c9d3dd15960cdd9
Parameter Value Uncertainty
Am1 1.0 0.00071
Am2 0
a/Rs 8.57 0.1
Rp/Rs 0.1067 0.0015
ephemeris [JD] 2458878.05459 0.00073
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.4833497383781973
u1 -4.35700626585188
u2 4.386223577839234
u3 -1.5125669850057255
duration 0.1196 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 8473ed6f8ea8413545e1a27d1bdc5ea3
Parameter Value Uncertainty
Am1 1.00025 0.00071
Am2 0
a/Rs 8.59 0.1
Rp/Rs 0.1066 0.0015
ephemeris [JD] 2458881.26646 0.00075
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.4831183679884834
u1 -4.356420224865
u2 4.385598672219939
u3 -1.5122967499929096
duration 0.1195 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 13d6269c3bee222a676c97271150eb05
Parameter Value Uncertainty
Am1 0.99999 0.00081
Am2 0
a/Rs 8.62 0.11
Rp/Rs 0.1065 0.0015
ephemeris [JD] 2458894.11603 0.00082
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.4832176618953197
u1 -4.356907276740102
u2 4.386256587242769
u3 -1.5125669070376704
duration 0.1186 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 b1101f0866a658b3ac65462f73463211
Parameter Value Uncertainty
Am1 0.9997 0.0012
Am2 0
a/Rs 8.36 0.12
Rp/Rs 0.1023 0.0014
ephemeris [JD] 2458897.32629 0.00094
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.483217397152605
u1 -4.356357095145152
u2 4.38531170304186
u3 -1.5121719397030766
duration 0.1228 0.0021
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 07fb2f5e9793b10fd093d5c578bbe92b
Parameter Value Uncertainty
Am1 0.99976 0.00087
Am2 0
a/Rs 8.62 0.1
Rp/Rs 0.1069 0.0016
ephemeris [JD] 2458887.69055 0.00071
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.483481022153589
u1 -4.358065110586948
u2 4.387808988612353
u3 -1.5132248347955444
duration 0.119 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 151ec19ce9b4a8d832fdcfe7d0ef63d9
Parameter Value Uncertainty
Am1 1.00014 0.00077
Am2 0
a/Rs 8.62 0.1
Rp/Rs 0.1069 0.0016
ephemeris [JD] 2458871.63023 0.00074
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.4833814008886086
u1 -4.357064274252076
u2 4.386260934129893
u3 -1.5125779954060437
duration 0.119 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 6c431cd1a1d5433a227823fc50ddaaee
Parameter Value Uncertainty
Am1 0.99983 0.0009
Am2 0
a/Rs 8.58 0.11
Rp/Rs 0.1063 0.0015
ephemeris [JD] 2458890.90363 0.00077
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.4833614241889417
u1 -4.356925055710898
u2 4.385988033329513
u3 -1.5124243364512426
duration 0.1195 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 50b31dee66f10be6e689f4204a881b0a
Parameter Value Uncertainty
Am1 1.00006 0.00073
Am2 0
a/Rs 8.61 0.11
Rp/Rs 0.1067 0.0015
ephemeris [JD] 2458874.84193 0.00077
eccentricity 0.016
inclination [degrees] 86.9
omega [degrees] 156.0
orbital period [days] 3.21223265
u0 2.48375728542502
u1 -4.358235911979709
u2 4.38755207055177
u3 -1.51307337861746
duration 0.119 0.0018
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)