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HAT-P-44 b

View target in exoplanet catalog
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Total Reductions to Date: 26

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 4.301191692076441 3.2581696964949174e-07
Ephemeris (BJD_TDB) 2460049.7431242056 0.0002528580786519826
Time saved (hours) 0.0002  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 213.1438604 decimal
DEC 47.0147826 decimal
Host Star Metallicity 0.33 0.1 Kokori et al. 2022
Host Star log(g) 4.46 0.06 Log10(cgs) Kokori et al. 2022
Host Star Radius [R_Sun] 0.95 0.08 Sol Kokori et al. 2022
Host Star Effective Temperature [K] 5295.0 100.0 K Kokori et al. 2022
a/Rs 11.49 0.46 Hartman et al. 2014
eccentricity 0.044 0.052 Hartman et al. 2014
inclination [degrees] 89.1 0.4 deg Hartman et al. 2014
omega [degrees] 113.0 90.0 deg Hartman et al. 2014
orbital period [days] 4.3011902 1.3e-06 day Ivshina & Winn 2022
Rp 15.37 1.05 R_Earth ExoFOP-TESS TOI
Rp/Rs 0.1485 0 ExoFOP-TESS TOI
ephemeris [JD] 2457133.53487 0.00042 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2457133.53487 0.00042 BJD-TDB Ivshina & Winn 2022
2457284.0768 0.0004 BJD-TDB Kokori et al. 2022
2456204.47794 0.00019 BJD-TDB Mallonn et al. 2019
2459688.443452 0.000503 BJD ExoFOP-TESS TOI
2455696.93695 0.00024 BJD Hartman et al. 2014

Observations

Light curve chart for 0000489
Parameter Value Uncertainty
Am1 0.4423 0.0065
Am2 0.001 0.014
a/Rs 13.43 1.44
Rp/Rs 0.136 0.015
ephemeris [JD] 2457808.8286 0.0096
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.8648878201163617
u1 -3.2329739218396143
u2 3.64464898027219
u3 -1.2765628242394351
duration 0.109 0.013
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 0000488
Parameter Value Uncertainty
Am1 1228.12 25.24
Am2 -0.15 0.017
a/Rs 9.2 1.25
Rp/Rs 0.156 0.019
ephemeris [JD] 2457864.758 0.0055
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.8655457654438539
u1 -3.2352760305082167
u2 3.647583648073333
u3 -1.2778533286557376
duration 0.164 0.023
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 0001223
Parameter Value Uncertainty
Am1 1.0033 0.0054
Am2 -0.002 0.0047
a/Rs 11.42 0.41
Rp/Rs 0.1379 0.0059
ephemeris [JD] 2459623.9258 0.0018
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.5766819375116807
u1 -2.6661968492295034
u2 3.2421712783488
u3 -1.152656318318861
duration 0.1296 0.0047
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 0001366
Parameter Value Uncertainty
Am1 1.123 0.025
Am2 -0.094 0.045
a/Rs 9.7 1.11
Rp/Rs 0.168 0.022
ephemeris [JD] 2459679.8527 0.0059
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.924171254965091
u1 -3.1968462785500047
u2 3.5065367128979523
u3 -1.2338616370615698
duration 0.146 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 600.0 nm 690.0 nm
Organization Observer Code Secondary Observers
AAVSO MAEB (collaborate/publish)
Light curve chart for 0001415
Parameter Value Uncertainty
Am1 1.096 0.018
Am2 -0.084 0.043
a/Rs 13.28 0.8
Rp/Rs 0.112 0.017
ephemeris [JD] 2459692.7484 0.0046
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.8653268122319817
u1 -3.2354151502460033
u2 3.648276357146271
u3 -1.2781879647686951
duration 0.1082 0.0071
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 NANF (collaborate/publish)
Light curve chart for 0002757
Parameter Value Uncertainty
Am1 1.0042 0.0049
Am2 0.0027 0.0025
a/Rs 11.49 0.33
Rp/Rs 0.1376 0.0029
ephemeris [JD] 2459989.5282 0.0016
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.5770854280463047
u1 -2.6671283450012004
u2 3.2432115421637744
u3 -1.153168576881261
duration 0.1291 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 HMAK (collaborate/publish)
Light curve chart for 0003218
Parameter Value Uncertainty
Am1 1.0016 0.0033
Am2 -0.0013 0.0082
a/Rs 11.81 0.48
Rp/Rs 0.1342 0.0059
ephemeris [JD] 2460049.7418 0.0025
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 1.864823530567873
u1 -3.2335222758146758
u2 3.6456931976101976
u3 -1.2769943980383327
duration 0.1247 0.0054
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 MBEB (collaborate/publish)
Light curve chart for 70b2b4b7658b5077a0b43e23ad1b3def
Parameter Value Uncertainty
Am1 1.0 0.0037
Am2 0
a/Rs 11.71 0.2
Rp/Rs 0.1302 0.0021
ephemeris [JD] 2459675.53883 0.00095
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.4440431486734866
u1 -4.2511814619363415
u2 4.280766998261249
u3 -1.4736286212099952
duration 0.1255 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 70019924cfb2f8253bb2c7a1a216b005
Parameter Value Uncertainty
Am1 1.0001 0.0038
Am2 0
a/Rs 11.42 0.21
Rp/Rs 0.1328 0.0022
ephemeris [JD] 2458952.93949 0.00099
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.443372784838676
u1 -4.248889957230218
u2 4.2780751398290136
u3 -1.472557903689185
duration 0.1288 0.0025
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 3df37fd5dfe114d1fe8d78cedb56479f
Parameter Value Uncertainty
Am1 1.0003 0.0012
Am2 0
a/Rs 11.26 0.66
Rp/Rs 0.1305 0.0053
ephemeris [JD] 2458746.4807 0.0031
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.4438038813058656
u1 -4.25030528072943
u2 4.279831769303605
u3 -1.473330306105578
duration 0.1301 0.0081
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 548df51686b9b9bae6c378292583b9c5
Parameter Value Uncertainty
Am1 0.9995 0.004
Am2 0
a/Rs 11.7 0.23
Rp/Rs 0.1363 0.0022
ephemeris [JD] 2458940.0339 0.001
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.4440369740655807
u1 -4.2507977670491925
u2 4.280203689025144
u3 -1.4734428322615267
duration 0.1262 0.0026
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 193946aa8ff3b7025c63e30b6a1b941e
Parameter Value Uncertainty
Am1 0.999 0.0045
Am2 0
a/Rs 11.08 0.34
Rp/Rs 0.132 0.0035
ephemeris [JD] 2458935.7375 0.0016
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.44357296717131
u1 -4.249841532719366
u2 4.279448321569265
u3 -1.473179692252459
duration 0.1327 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 a02f2a95211df8781dcfc27f18f9fe18
Parameter Value Uncertainty
Am1 0.9997 0.0041
Am2 0
a/Rs 11.73 0.23
Rp/Rs 0.1269 0.0024
ephemeris [JD] 2459688.4413 0.001
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444045508757702
u1 -4.251186214665845
u2 4.280880096969733
u3 -1.4737393272715065
duration 0.1248 0.0025
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 96c35ae2db18a87b694fc9d8c22edf98
Parameter Value Uncertainty
Am1 1.00021 0.00097
Am2 0
a/Rs 11.73 0.62
Rp/Rs 0.1332 0.0049
ephemeris [JD] 2458742.181 0.0027
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.443863748393101
u1 -4.250084014913752
u2 4.27923512047509
u3 -1.4730147901888668
duration 0.1259 0.0068
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 626767acb0ed115c4ac775a40cbc85c4
Parameter Value Uncertainty
Am1 0.9999 0.0011
Am2 0
a/Rs 11.56 0.67
Rp/Rs 0.1319 0.0054
ephemeris [JD] 2458755.0825 0.0031
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.445080539308308
u1 -4.253517659210418
u2 4.283000706436053
u3 -1.474563522712259
duration 0.1273 0.0078
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 c3501d593764bc6406c21e23f6cda3fe
Parameter Value Uncertainty
Am1 1.0003 0.0043
Am2 0
a/Rs 11.52 0.25
Rp/Rs 0.1254 0.0024
ephemeris [JD] 2459684.1413 0.0012
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.443499307704856
u1 -4.249527080728765
u2 4.278981088929909
u3 -1.472953252144213
duration 0.1269 0.0029
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 0d7097443d8db5ffdf6beb38fa1a6d67
Parameter Value Uncertainty
Am1 1.0001 0.0039
Am2 0
a/Rs 11.47 0.18
Rp/Rs 0.1302 0.0021
ephemeris [JD] 2459645.43256 0.00087
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.4436900624769016
u1 -4.25019711446843
u2 4.279787357033131
u3 -1.4732802412678008
duration 0.1284 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 eb42c222dd625ba831d3aca6ce40610c
Parameter Value Uncertainty
Am1 1.0001 0.004
Am2 0
a/Rs 11.44 0.24
Rp/Rs 0.131 0.0022
ephemeris [JD] 2459658.3345 0.0011
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444009430390134
u1 -4.250617346379598
u2 4.279970552790893
u3 -1.4733625730248971
duration 0.1281 0.0028
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 6df868cb3b4cb05084ba8d475e61d4eb
Parameter Value Uncertainty
Am1 1.00001 0.00086
Am2 0
a/Rs 11.12 0.75
Rp/Rs 0.1309 0.0047
ephemeris [JD] 2458759.3833 0.0031
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444058820342153
u1 -4.25083027860222
u2 4.280146999258135
u3 -1.4733754772189083
duration 0.1326 0.0097
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 751b6f036500319ad458616458fa9433
Parameter Value Uncertainty
Am1 0.9996 0.0042
Am2 0
a/Rs 11.38 0.2
Rp/Rs 0.13 0.0022
ephemeris [JD] 2459671.2381 0.00093
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444167759049821
u1 -4.250919446738924
u2 4.2801502874825506
u3 -1.4733985360142383
duration 0.1288 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 e0af44356467787954c8a0b6fbbdff40
Parameter Value Uncertainty
Am1 0.9997 0.0044
Am2 0
a/Rs 11.48 0.24
Rp/Rs 0.1289 0.0024
ephemeris [JD] 2459641.1309 0.0011
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.4442218589729388
u1 -4.251104567402304
u2 4.2803540647060245
u3 -1.4734712924944144
duration 0.1281 0.0027
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 ed9f3264fae7d3e83f48209b052587c7
Parameter Value Uncertainty
Am1 0.9999 0.0041
Am2 0
a/Rs 11.36 0.22
Rp/Rs 0.1338 0.0023
ephemeris [JD] 2459649.7324 0.0011
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444408768145123
u1 -4.251728046534264
u2 4.280978276223134
u3 -1.473658934042446
duration 0.1298 0.0026
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 bf188169bfeb78a08cf2603bbd03cf34
Parameter Value Uncertainty
Am1 1.0007 0.0044
Am2 0
a/Rs 11.55 0.27
Rp/Rs 0.1352 0.0025
ephemeris [JD] 2458944.3373 0.0012
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444213682583696
u1 -4.250655032806919
u2 4.279602628399718
u3 -1.473161214405447
duration 0.1276 0.0031
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 a4e38e64d0cae3a7a94d60840e4bae1a
Parameter Value Uncertainty
Am1 1.0004 0.0042
Am2 0
a/Rs 11.21 0.2
Rp/Rs 0.1283 0.0022
ephemeris [JD] 2458948.638 0.001
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444589653909548
u1 -4.252149054001904
u2 4.281498799264671
u3 -1.4739393353730121
duration 0.131 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 bf2e91dd6d315f3ef5aa51ed60602872
Parameter Value Uncertainty
Am1 1.0002 0.0043
Am2 0
a/Rs 11.12 0.22
Rp/Rs 0.1315 0.0023
ephemeris [JD] 2458931.4314 0.0011
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.4436007655746392
u1 -4.250065621698417
u2 4.279799511220731
u3 -1.4733345913229705
duration 0.1327 0.0027
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 991190c7a61497b270919adfefd908b4
Parameter Value Uncertainty
Am1 1.0 0.0039
Am2 0
a/Rs 11.86 0.21
Rp/Rs 0.1329 0.0021
ephemeris [JD] 2459662.63482 0.00092
eccentricity 0.044
inclination [degrees] 89.1
omega [degrees] 113.0
orbital period [days] 4.3011902
u0 2.444264836678735
u1 -4.251230110577488
u2 4.28050150245467
u3 -1.4735361647714735
duration 0.1246 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)

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