results

HAT-P-30 b

Timing Plot

Total Reductions to Date: 19

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.810600705216666 1.5407813580975841e-07
Ephemeris (BJD_TDB) 2459992.7764539793 0.00012543762280707658
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 123.9498431 decimal
DEC 5.8368669 decimal
Host Star Metallicity 0.13 0.08 Kokori et al. 2023
Host Star log(g) 4.36 0.03 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.215 0.051 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 6304.0 88.0 K Yalçınkaya et al. 2024
a/Rs 6.771 0.013 Kokori et al. 2023
eccentricity 0.016 0.02 Bonomo et al. 2017
inclination [degrees] 82.7 0.19 deg Kokori et al. 2023
omega [degrees] 114.0 200.0 deg Knutson et al. 2014
orbital period [days] 2.8106007 1.3e-07 day Yalçınkaya et al. 2024
Rp 16.0 0.82 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1045 0 ExoFOP-TESS TOI
ephemeris [JD] 2457775.212778 7.7e-05 BJD-TDB Yalçınkaya et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455456.46606 0.00029 BJD-TDB, BJD-UTC Bonomo et al. 2017, Maciejewski et al. 2016, Johnson et al. 2011
2455931.45837 0.00018 BJD-TDB Kokori et al. 2022
2457426.69746 0.00032 BJD-TDB Ivshina & Winn 2022
2457775.212778 7.7e-05 BJD-TDB Yalçınkaya et al. 2024
2457825.80333 0.00011 BJD-TDB Kokori et al. 2023
2458491.915477 0.00010395 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002057
Parameter Value Uncertainty
Am1 1.0066 0.0055
Am2 -0.0046 0.0017
a/Rs 6.835 0.036
Rp/Rs 0.11 0.0047
ephemeris [JD] 2459264.8285 0.0019
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 1.9158337894563269
u1 -3.3751934255525406
u2 3.957957500252166
u3 -1.498597805177789
duration 0.092 0.0015
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 WWC (collaborate/publish)
Light curve chart for 0005163
Parameter Value Uncertainty
Am1 1.259 0.013
Am2 -0.205 0.037
a/Rs 6.711 0.038
Rp/Rs 0.175 0.026
ephemeris [JD] 2459638.6286 0.0083
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.1240901081799346
u1 -3.844932939933064
u2 4.332323439581614
u3 -1.6114805432718353
duration 0.1059 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 MObs CV 350.0 nm 850.0 nm
Organization Observer Code Secondary Observers
AAVSO PMIF (collaborate/publish) UNIS
Light curve chart for 0002227
Parameter Value Uncertainty
Am1 1.0112 0.0074
Am2 -0.007 0.014
a/Rs 6.836 0.033
Rp/Rs 0.129 0.011
ephemeris [JD] 2459930.941 0.0026
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.506090124244257
u1 -4.460953458426068
u2 4.588596506196497
u3 -1.6337331036392708
duration 0.096 0.0024
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
RJ Johnson R 590.0 nm 810.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0002578
Parameter Value Uncertainty
Am1 0.9917 0.0098
Am2 0.0057 0.0035
a/Rs 6.832 0.038
Rp/Rs 0.093 0.013
ephemeris [JD] 2459978.7126 0.005
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.5055746108489276
u1 -4.4594347542207755
u2 4.587010155561159
u3 -1.6331499438375334
duration 0.0886 0.0031
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
RJ Johnson R 590.0 nm 810.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0002764
Parameter Value Uncertainty
Am1 0.987 0.003
Am2 0.0106 0.0016
a/Rs 6.835 0.03
Rp/Rs 0.0909 0.0027
ephemeris [JD] 2459992.7774 0.0011
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.2451153109097106
u1 -3.949798794417712
u2 4.257438272062615
u3 -1.552754725113839
duration 0.0881 0.0011
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 HHJA (collaborate/publish)
Light curve chart for 79d498796c0a0994d047dd567483e8bf
Parameter Value Uncertainty
Am1 1.0 0.001
Am2 0
a/Rs 6.836 0.016
Rp/Rs 0.1064 0.0013
ephemeris [JD] 2458494.726 0.00057
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8352360027007903
u1 -5.1190682822422255
u2 5.031703117413329
u3 -1.7478707628936747
duration 0.09111 0.00065
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 abe54dc44d90e7039bf14962ff2c6553
Parameter Value Uncertainty
Am1 1.0001 0.0021
Am2 0
a/Rs 6.78 0.026
Rp/Rs 0.1055 0.0011
ephemeris [JD] 2459231.10395 0.00043
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8346601600154275
u1 -5.117504244924154
u2 5.030160976711475
u3 -1.7473168168475088
duration 0.09269 0.00096
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 cdb3cc36388a6cb0a782ba08cfa778a5
Parameter Value Uncertainty
Am1 1.00014 0.00093
Am2 0
a/Rs 6.836 0.017
Rp/Rs 0.108 0.0013
ephemeris [JD] 2458497.53634 0.00054
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8356379253489137
u1 -5.12069808673779
u2 5.033763492640009
u3 -1.748703256242211
duration 0.09183 0.00068
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 14afa7dc3d39979492c3a8892a00e045
Parameter Value Uncertainty
Am1 0.9996 0.0034
Am2 0
a/Rs 6.706 0.029
Rp/Rs 0.1036 0.0016
ephemeris [JD] 2459253.58744 0.00066
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8352578991642634
u1 -5.11935363933756
u2 5.032163130927762
u3 -1.748067315769391
duration 0.0949 0.001
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 e0337ba5dc9ba2d7b57fd25a2045b147
Parameter Value Uncertainty
Am1 0.9999 0.0011
Am2 0
a/Rs 6.794 0.03
Rp/Rs 0.109 0.0015
ephemeris [JD] 2458508.77935 0.00061
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.835862881987203
u1 -5.1209824376093
u2 5.033901281181723
u3 -1.7487816505486524
duration 0.0933 0.0011
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 5298c0c7b2b5f644801418246634af69
Parameter Value Uncertainty
Am1 0.9999 0.0011
Am2 0
a/Rs 6.787 0.031
Rp/Rs 0.1073 0.0016
ephemeris [JD] 2458514.39963 0.00064
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8354176699396043
u1 -5.119383500103421
u2 5.031857703427326
u3 -1.747891798282987
duration 0.0933 0.0011
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 8974b54edce3efa9a5089044bb4a1ac0
Parameter Value Uncertainty
Am1 1.00043 0.00097
Am2 0
a/Rs 6.835 0.026
Rp/Rs 0.1088 0.0014
ephemeris [JD] 2458491.91551 0.00062
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8348848486855696
u1 -5.117601008865235
u2 5.029802431921182
u3 -1.747086196791619
duration 0.09211 0.00098
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 df37d80d964296a9232a29251a13d3ff
Parameter Value Uncertainty
Am1 1.0 0.0022
Am2 0
a/Rs 6.836 0.015
Rp/Rs 0.1087 0.001
ephemeris [JD] 2459245.15643 0.00044
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.836080990404611
u1 -5.12105300228651
u2 5.033539964220246
u3 -1.7485678773327566
duration 0.09197 0.00061
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 b697d2492522e4706a2bebb296cb3504
Parameter Value Uncertainty
Am1 1.0 0.0021
Am2 0
a/Rs 6.836 0.012
Rp/Rs 0.10851 0.00094
ephemeris [JD] 2459236.72422 0.00043
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8353578837564926
u1 -5.119774635832555
u2 5.032724330209384
u3 -1.7483075031398854
duration 0.09197 0.00054
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 6683eb8703f3aac6a424f31c577280a0
Parameter Value Uncertainty
Am1 1.0 0.0027
Am2 0
a/Rs 6.816 0.026
Rp/Rs 0.1086 0.0012
ephemeris [JD] 2459247.96702 0.00051
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8350401574188924
u1 -5.119093421148469
u2 5.032248429335546
u3 -1.7481950906196237
duration 0.09272 0.00096
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 2ae63ad8896eda50e33935a54bbb2767
Parameter Value Uncertainty
Am1 1.0 0.0021
Am2 0
a/Rs 6.836 0.016
Rp/Rs 0.10826 0.00096
ephemeris [JD] 2459233.9141 0.00043
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.835414527748119
u1 -5.119154770062505
u2 5.031469868298896
u3 -1.7477295510097663
duration 0.092 0.00064
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 a3001984636a68324cd7a50ed089b1e3
Parameter Value Uncertainty
Am1 1.0001 0.0022
Am2 0
a/Rs 6.836 0.013
Rp/Rs 0.1083 0.001
ephemeris [JD] 2459239.53575 0.00043
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8353062802455455
u1 -5.119781262225358
u2 5.032968595381009
u3 -1.7484935384041207
duration 0.09197 0.00059
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 1ab445f800cce24ec77066604ac21d60
Parameter Value Uncertainty
Am1 1.0 0.0023
Am2 0
a/Rs 6.836 0.017
Rp/Rs 0.10847 0.00097
ephemeris [JD] 2459250.77742 0.00045
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.8352393802868208
u1 -5.119420414823276
u2 5.032404966857152
u3 -1.7482238573320195
duration 0.092 0.00068
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 f8fe2e985a15eabb11e5a5fa5fe7ab1a
Parameter Value Uncertainty
Am1 0.9999 0.0011
Am2 0
a/Rs 6.836 0.02
Rp/Rs 0.1047 0.0014
ephemeris [JD] 2458511.59027 0.0006
eccentricity 0.016
inclination [degrees] 82.7
omega [degrees] 114.0
orbital period [days] 2.8106007
u0 2.83568535758915
u1 -5.1209749067209405
u2 5.034233681957371
u3 -1.748944057809653
duration 0.09111 0.00079
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)