results

HAT-P-13 b

Timing Plot

Total Reductions to Date: 12

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 2.9162412288640156 1.9124924998171222e-07
Ephemeris (BJD_TDB) 2460017.4998695417 0.0002696511161887093
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 129.8823772 decimal
DEC 47.3519076 decimal
Host Star Metallicity 0.41 0.08 Kokori et al. 2023
Host Star log(g) 4.13 0.04 Log10(cgs) Kokori et al. 2023
Host Star Radius [R_Sun] 1.56 0.08 Sol Kokori et al. 2023
Host Star Effective Temperature [K] 5653.0 90.0 K Yalçınkaya et al. 2024
a/Rs 5.8 0.3 Kokori et al. 2023
eccentricity 0.021 0.009 Kokori et al. 2023
inclination [degrees] 83.4 0.6 deg Kokori et al. 2023
omega [degrees] 181.0 45.0 deg Kokori et al. 2023
orbital period [days] 2.91624121 1.6e-07 day Yalçınkaya et al. 2024
Rp 16.78 0.82 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.0852 0 ExoFOP-TESS TOI
ephemeris [JD] 2456316.79044 0.00012 BJD-TDB Yalçınkaya et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454779.929775 0.000565 BJD Winn et al. 2010, Bakos et al. 2009
2455176.5387833333 0.00024 BJD, BJD-TDB Bonomo et al. 2017, Turner et al. 2016, Sada & Ramón-Fox 2016
2455456.49826 0.00016 BJD-TDB Kokori et al. 2022
2455511.90654 0.00043 BJD-TDB Ivshina & Winn 2022
2455631.47279 0.00019 BJD-TDB Kokori et al. 2023
2456316.79044 0.00012 BJD-TDB Yalçınkaya et al. 2024
2459580.063121 0.00043519 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001235
Parameter Value Uncertainty
Am1 0.9951 0.0016
Am2 0.005 0.0024
a/Rs 5.821 0.086
Rp/Rs 0.0851 0.0026
ephemeris [JD] 2459629.6385 0.0019
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.0294895216364606
u1 -3.506382346923171
u2 3.8543161213225634
u3 -1.3774232386020673
duration 0.1316 0.0025
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 0001311
Parameter Value Uncertainty
Am1 0.9972 0.0039
Am2 0.0022 0.0067
a/Rs 5.88 0.22
Rp/Rs 0.0903 0.0053
ephemeris [JD] 2459661.7161 0.0033
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.286758470171377
u1 -3.992148931339569
u2 4.170752317063179
u3 -1.4653617937459344
duration 0.1358 0.0084
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 0002962
Parameter Value Uncertainty
Am1 1.007 0.0041
Am2 -0.0058 0.0018
a/Rs 5.24 0.11
Rp/Rs 0.0978 0.0028
ephemeris [JD] 2459979.5784 0.0021
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.028958778026315
u1 -3.5049203829064153
u2 3.852703033513563
u3 -1.376741371223714
duration 0.1646 0.005
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 0002981
Parameter Value Uncertainty
Am1 1.0175 0.0029
Am2 -0.0111 0.0028
a/Rs 4.7 0.11
Rp/Rs 0.0995 0.0044
ephemeris [JD] 2460017.4805 0.0026
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.0295096311713006
u1 -3.505808267986505
u2 3.8533479467177094
u3 -1.3770492524831464
duration 0.1919 0.0056
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 2fe3fb27835e05e055dc7f8ba0aeaaf9
Parameter Value Uncertainty
Am1 1.00005 0.00086
Am2 0
a/Rs 5.829 0.059
Rp/Rs 0.082 0.0012
ephemeris [JD] 2459582.97935 0.00099
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.61053097045985
u1 -4.631139080713046
u2 4.613162615553691
u3 -1.5925544365590154
duration 0.1367 0.0024
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 58ac24199a5f36393272ab7ec6a54e9f
Parameter Value Uncertainty
Am1 0.99992 0.00093
Am2 0
a/Rs 5.856 0.054
Rp/Rs 0.0821 0.0012
ephemeris [JD] 2459600.47676 0.00091
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.610339045794883
u1 -4.630597433108694
u2 4.612601910077381
u3 -1.5923434540304466
duration 0.1355 0.002
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 537ef0fdeb06d806648d49710ff687b8
Parameter Value Uncertainty
Am1 1.0 0.0011
Am2 0
a/Rs 5.898 0.054
Rp/Rs 0.0833 0.0013
ephemeris [JD] 2459591.72868 0.00092
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.610548342865508
u1 -4.631137534621194
u2 4.6131417708708655
u3 -1.5925525103740101
duration 0.1342 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 c8137da8b770604b07b62b74d242f882
Parameter Value Uncertainty
Am1 1.0 0.00093
Am2 0
a/Rs 5.897 0.056
Rp/Rs 0.0845 0.0013
ephemeris [JD] 2459603.39415 0.00094
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.609498981908997
u1 -4.629259780638195
u2 4.612028551617785
u3 -1.592267684164006
duration 0.1348 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 78724f6dabcd96b36859c1557ceeee70
Parameter Value Uncertainty
Am1 0.99993 0.00087
Am2 0
a/Rs 5.946 0.057
Rp/Rs 0.0826 0.0012
ephemeris [JD] 2459597.56077 0.00093
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.6096079879049343
u1 -4.628983894794876
u2 4.611228543021371
u3 -1.5918525674187682
duration 0.132 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 1387abc1307ca03892d10c353a5cc3ba
Parameter Value Uncertainty
Am1 0.99986 0.001
Am2 0
a/Rs 5.882 0.052
Rp/Rs 0.0839 0.0012
ephemeris [JD] 2459606.31016 0.00089
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.6105026049333597
u1 -4.631058158063821
u2 4.613142230985724
u3 -1.592586609114087
duration 0.1352 0.002
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 f2df1ce6446415398c6ba78bac3f84c5
Parameter Value Uncertainty
Am1 0.99999 0.00092
Am2 0
a/Rs 5.914 0.052
Rp/Rs 0.0832 0.0012
ephemeris [JD] 2459588.8122 0.00086
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.610125310511517
u1 -4.629895293649165
u2 4.611802301265265
u3 -1.5920322494064072
duration 0.1339 0.002
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 af7a0951315a619adde0469b53fdd1cf
Parameter Value Uncertainty
Am1 0.9995 0.001
Am2 0
a/Rs 5.812 0.056
Rp/Rs 0.0821 0.0013
ephemeris [JD] 2459585.89571 0.00094
eccentricity 0.021
inclination [degrees] 83.4
omega [degrees] 181.0
orbital period [days] 2.91624121
u0 2.6103780091830107
u1 -4.630712271319975
u2 4.612728022224867
u3 -1.592393691352898
duration 0.1377 0.0023
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)