results

HAT-P-19 b

Timing Plot

Total Reductions to Date: 22

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 4.008783035056135 2.457467548431403e-07
Ephemeris (BJD_TDB) 2460230.795122334 0.00020856866820231326
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 9.5165832 decimal
DEC 34.7114025 decimal
Host Star Metallicity 0.166 0.07 Kang et al. 2024
Host Star log(g) 4.5687 0.0066 Log10(cgs) Kang et al. 2024
Host Star Radius [R_Sun] 0.773 0.011 Sol Kang et al. 2024
Host Star Effective Temperature [K] 4962.0 39.0 K Kang et al. 2024
a/Rs 12.84 0.06 Kang et al. 2024
eccentricity 0.07 0.04 Kokori et al. 2023
inclination [degrees] 89.52 0.2 deg Kang et al. 2024
omega [degrees] 256.0 77.0 deg Kokori et al. 2023
orbital period [days] 4.00878322 1.9e-07 day Kang et al. 2024
Rp 11.3 0.16 R_Earth Kang et al. 2024
Rp/Rs 0.1466 0 ExoFOP-TESS TOI
ephemeris [JD] 2456610.863945 7.1e-05 BJD-TDB Kang et al. 2024

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2455091.5346966665 0.00027666666666666665 BJD-TDB, BJD-UTC Bonomo et al. 2017, Seeliger et al. 2015, Hartman et al. 2011
2456610.863945 7.1e-05 BJD-TDB Kang et al. 2024
2456899.49658 0.0001 BJD-TDB Kokori et al. 2022
2456927.55807 0.00011 BJD-TDB Kokori et al. 2023
2456935.57551 0.00012 BJD-TDB Ivshina & Winn 2022
2459853.969135 0.00041594 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0006641
Parameter Value Uncertainty
Am1 1.0 0.11
Am2 0.016 0.027
a/Rs 13.13 0.17
Rp/Rs 0.22 0.079
ephemeris [JD] 2455728.911 0.012
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.4756661961914403
u1 -2.487639570266322
u2 3.10526623732767
u3 -1.0932928169807155
duration 0.1247 0.0084
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 FSUB (collaborate/publish) MOBS
Light curve chart for 0000271
Parameter Value Uncertainty
Am1 0.899 0.013
Am2 -0.001 0.0046
a/Rs 13.11 0.17
Rp/Rs 0.145 0.01
ephemeris [JD] 2458831.7282 0.0033
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7778595819125724
u1 -3.0383976851341945
u2 3.4608138474506505
u3 -1.2002756926588836
duration 0.1188 0.0019
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 0001833
Parameter Value Uncertainty
Am1 0.9937 0.0053
Am2 0.005 0.0036
a/Rs 13.14 0.13
Rp/Rs 0.1299 0.005
ephemeris [JD] 2459805.8646 0.0012
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.1245278463986574
u1 -3.6525731697423462
u2 3.8678298028160416
u3 -1.3397844218371975
duration 0.117 0.0013
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CBB Astrodon ExoPlanet-BB 500.0 nm 1000.0 nm
Organization Observer Code Secondary Observers
AAVSO MBEB (collaborate/publish)
Light curve chart for 0001857
Parameter Value Uncertainty
Am1 0.834 0.028
Am2 0.183 0.081
a/Rs 13.05 0.18
Rp/Rs 0.127 0.056
ephemeris [JD] 2459813.873 0.011
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7780113748791753
u1 -3.038617072365879
u2 3.4606600754063885
u3 -1.200054326351831
duration 0.1174 0.0061
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 OAS (collaborate/publish) MOBS
Light curve chart for 0001860
Parameter Value Uncertainty
Am1 1.109 0.025
Am2 -0.09 0.15
a/Rs 13.14 0.17
Rp/Rs 0.173 0.033
ephemeris [JD] 2459817.8935 0.0055
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7783488712942892
u1 -3.0395458620012508
u2 3.4616282638919187
u3 -1.2004312216026762
duration 0.1216 0.0038
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 OAS (collaborate/publish) MOBS
Light curve chart for 0002826
Parameter Value Uncertainty
Am1 1.031 0.012
Am2 -0.029 0.047
a/Rs 13.12 0.17
Rp/Rs 0.163 0.014
ephemeris [JD] 2459821.9016 0.0024
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7778443991960986
u1 -3.0379722931761948
u2 3.4598907461367094
u3 -1.1997628006002237
duration 0.1205 0.0022
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 KMUA (collaborate/publish) MOBS
Light curve chart for 0004431
Parameter Value Uncertainty
Am1 0.967 0.015
Am2 0.0192 0.0025
a/Rs 13.14 0.17
Rp/Rs 0.15 0.011
ephemeris [JD] 2460194.7196 0.0053
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.4761170172355502
u1 -2.4889705335535335
u2 3.1066881474083585
u3 -1.0938345847971145
duration 0.1191 0.002
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 0004473
Parameter Value Uncertainty
Am1 0.96 0.014
Am2 0.0305 0.0048
a/Rs 13.13 0.17
Rp/Rs 0.149 0.011
ephemeris [JD] 2460202.7129 0.0028
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.777814357737351
u1 -3.0377461111191004
u2 3.4593870977081083
u3 -1.1994552927774742
duration 0.1189 0.0019
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 0004551
Parameter Value Uncertainty
Am1 0.976 0.012
Am2 0.0217 0.0055
a/Rs 12.54 0.17
Rp/Rs 0.141 0.009
ephemeris [JD] 2460206.7268 0.0028
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.4758754275723416
u1 -2.488843253661397
u2 3.106876229634362
u3 -1.093908357249243
duration 0.1238 0.002
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 0004605
Parameter Value Uncertainty
Am1 1.04 0.019
Am2 -0.033 0.015
a/Rs 12.59 0.17
Rp/Rs 0.128 0.019
ephemeris [JD] 2460210.7512 0.0058
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7783331332001744
u1 -3.0395200804643783
u2 3.4616617531197655
u3 -1.2004747542727818
duration 0.122 0.0027
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 0004619
Parameter Value Uncertainty
Am1 0.977 0.022
Am2 0.02 0.017
a/Rs 13.12 0.17
Rp/Rs 0.145 0.016
ephemeris [JD] 2460214.7573 0.0067
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7779279623262343
u1 -3.0378206723179053
u2 3.459332166602176
u3 -1.1994394050624386
duration 0.1187 0.0023
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 0004679
Parameter Value Uncertainty
Am1 1.0511 0.0086
Am2 -0.0438 0.0043
a/Rs 12.56 0.16
Rp/Rs 0.1121 0.0044
ephemeris [JD] 2460222.7569 0.0017
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7777406151762476
u1 -3.037496793316533
u2 3.4592335040264155
u3 -1.199477274339534
duration 0.1206 0.0016
Not 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 BIRC (collaborate/publish)
Light curve chart for 0004678
Parameter Value Uncertainty
Am1 1.058 0.013
Am2 -0.048 0.03
a/Rs 13.11 0.17
Rp/Rs 0.125 0.015
ephemeris [JD] 2460222.7934 0.0037
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.7776290926634384
u1 -3.037234460905134
u2 3.459010734661534
u3 -1.1994053148765618
duration 0.1167 0.0022
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 0004729
Parameter Value Uncertainty
Am1 1.024 0.02
Am2 -0.022 0.059
a/Rs 13.14 0.16
Rp/Rs 0.147 0.021
ephemeris [JD] 2460226.8065 0.005
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.778449778265572
u1 -3.039958852376319
u2 3.4622301206793544
u3 -1.2007209949773583
duration 0.1186 0.0027
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 0004769
Parameter Value Uncertainty
Am1 1.081 0.013
Am2 -0.07 0.037
a/Rs 13.14 0.15
Rp/Rs 0.174 0.011
ephemeris [JD] 2460230.7956 0.0021
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 1.778293525172237
u1 -3.0395097775738242
u2 3.4618900972845097
u3 -1.20067379329674
duration 0.1217 0.0019
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 222cbe21a4116890b143b85f13475d9d
Parameter Value Uncertainty
Am1 1.0003 0.0073
Am2 0
a/Rs 13.134 0.089
Rp/Rs 0.1329 0.0016
ephemeris [JD] 2459861.9864 0.00066
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.325522058625281
u1 -3.994969676789828
u2 4.065711096735675
u3 -1.3962634179873108
duration 0.11736 0.00083
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 0125a9e8355236895675fef792c01ae4
Parameter Value Uncertainty
Am1 1.0001 0.0072
Am2 0
a/Rs 13.136 0.087
Rp/Rs 0.1343 0.0016
ephemeris [JD] 2459874.01475 0.00064
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.325628961630721
u1 -3.9947133310451606
u2 4.065020488167807
u3 -1.3959360581798417
duration 0.11742 0.00083
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 a4e467de9057d9c6f0daee8e7961a4af
Parameter Value Uncertainty
Am1 1.0002 0.007
Am2 0
a/Rs 13.14 0.062
Rp/Rs 0.13 0.0017
ephemeris [JD] 2459853.96864 0.00072
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.3263696294786627
u1 -3.9970362701119004
u2 4.0676542374304105
u3 -1.396987536184401
duration 0.11701 0.0006
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 4ad23e364d63d85daaf4978e435f4cbf
Parameter Value Uncertainty
Am1 1.0001 0.0073
Am2 0
a/Rs 13.14 0.061
Rp/Rs 0.1333 0.002
ephemeris [JD] 2459882.03028 0.00073
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.325507023120216
u1 -3.995059390244663
u2 4.065987567080409
u3 -1.3964351393680263
duration 0.11743 0.0006
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 35d538a3c041ffad1c224cb904b3224c
Parameter Value Uncertainty
Am1 1.0006 0.0075
Am2 0
a/Rs 13.139 0.073
Rp/Rs 0.1362 0.0017
ephemeris [JD] 2459870.00512 0.00065
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.3256698480742797
u1 -3.9953280562664584
u2 4.066071748748713
u3 -1.3964134799673436
duration 0.11784 0.00071
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 14b22e648de735c73dad3540754cc210
Parameter Value Uncertainty
Am1 1.0001 0.0073
Am2 0
a/Rs 13.139 0.062
Rp/Rs 0.1318 0.0016
ephemeris [JD] 2459878.02185 0.00066
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.325795250363072
u1 -3.9959726425845283
u2 4.066999210364419
u3 -1.3968217575399522
duration 0.117 0.00062
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 87064960f2c37c38ca0c18a5af34de61
Parameter Value Uncertainty
Am1 1.001 0.0073
Am2 0
a/Rs 13.139 0.051
Rp/Rs 0.1364 0.0017
ephemeris [JD] 2459857.97789 0.0006
eccentricity 0.07
inclination [degrees] 89.52
omega [degrees] 256.0
orbital period [days] 4.00878322
u0 2.3257635127052367
u1 -3.9959818700866734
u2 4.067111714277873
u3 -1.3968932962917497
duration 0.11777 0.00053
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)