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Qatar-6 b

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Total Reductions to Date: 17

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.5062012694095572 5.149872910784702e-07
Ephemeris (BJD_TDB) 2460087.6069166204 0.00018944427600342767
Time saved (hours) 0.0111  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 222.2100773 decimal
DEC 22.1526136 decimal
Host Star Metallicity -0.025 0.093 Alsubai et al. 2018
Host Star log(g) 4.64 0.01 Log10(cgs) Alsubai et al. 2018
Host Star Radius [R_Sun] 0.72 0.02 Sol Alsubai et al. 2018
Host Star Effective Temperature [K] 5052.0 66.0 K Alsubai et al. 2018
a/Rs 12.61 0.22 Alsubai et al. 2018
eccentricity 0.0 Alsubai et al. 2018
inclination [degrees] 86.01 0.14 deg Alsubai et al. 2018
omega [degrees] 0.0 deg Ivshina & Winn 2022
orbital period [days] 3.506195 1.8e-05 day Ivshina & Winn 2022
Rp 11.9 0.8 R_Earth Alsubai et al. 2018
Rp/Rs 0.1356 0 ExoFOP-TESS TOI
ephemeris [JD] 2457836.62562 0.00026 BJD-TDB Ivshina & Winn 2022

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2457836.62562 0.00026 BJD-TDB Ivshina & Winn 2022
2457784.0327 0.00049 BJD-TDB Alsubai et al. 2018
2459701.925342 0.000404 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002950
Parameter Value Uncertainty
Am1 0.5541 0.0086
Am2 0.58 0.24
a/Rs 12.25 0.63
Rp/Rs 0.269 0.071
ephemeris [JD] 2459333.7561 0.0097
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.5268407904653414
u1 -2.601900487594771
u2 3.2583625947112558
u3 -1.1833028490284403
duration 0.047 0.01
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 HBCA (collaborate/publish) MOBS
Light curve chart for 0002052
Parameter Value Uncertainty
Am1 0.9833 0.0036
Am2 0.016 0.023
a/Rs 12.77 0.26
Rp/Rs 0.1482 0.0098
ephemeris [JD] 2459347.79813 0.00068
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.526643670343007
u1 -2.601408748601737
u2 3.2579823120147964
u3 -1.1832171852083464
duration 0.0585 0.0019
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 0002280
Parameter Value Uncertainty
Am1 1.0028 0.0024
Am2 -0.0017 0.0015
a/Rs 11.61 0.64
Rp/Rs 0.04 0.075
ephemeris [JD] 2459649.316 0.011
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.8309745311609769
u1 -3.028482364752128
u2 3.4210553650103113
u3 -1.223547480441463
duration 0 0
Not 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) CWT
Light curve chart for 0001361
Parameter Value Uncertainty
Am1 1.0067 0.0021
Am2 -0.0062 0.0044
a/Rs 12.42 0.16
Rp/Rs 0.1483 0.0055
ephemeris [JD] 2459680.88792 0.00052
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.5271105133944438
u1 -2.6022093689478893
u2 3.258628240194239
u3 -1.1835293360834491
duration 0.0683 0.0021
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 0003451
Parameter Value Uncertainty
Am1 1.054 0.015
Am2 -0.047 0.06
a/Rs 11.52 0.63
Rp/Rs 0.138 0.035
ephemeris [JD] 2459680.9049 0.0043
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.5259963116057702
u1 -2.599366503397423
u2 3.255235050494161
u3 -1.181864810195726
duration 0.0782 0.0097
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 LJOG (collaborate/publish) MOBS
Light curve chart for 0003580
Parameter Value Uncertainty
Am1 1.056 0.014
Am2 -0.041 0.025
a/Rs 11.55 0.58
Rp/Rs 0.213 0.026
ephemeris [JD] 2459694.9005 0.0026
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.5270115471552705
u1 -2.60201626953118
u2 3.2584010619297663
u3 -1.1833962909998976
duration 0.0779 0.0051
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 WDRA (collaborate/publish) MOBS
Light curve chart for 0002938
Parameter Value Uncertainty
Am1 0.9973 0.0033
Am2 0.002 0.0022
a/Rs 12.24 0.29
Rp/Rs 0.1361 0.0089
ephemeris [JD] 2459992.9375 0.0012
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.0859482827923106
u1 -3.5753846200834616
u2 3.8503199723674464
u3 -1.3608835777020571
duration 0.0685 0.0039
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 0002963
Parameter Value Uncertainty
Am1 1.0011 0.0027
Am2 -0.00065 0.00057
a/Rs 12.53 0.18
Rp/Rs 0.1573 0.0065
ephemeris [JD] 2460003.45904 0.00051
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.833866618534956
u1 -3.0380943151569344
u2 3.4292088643630536
u3 -1.2249811166418816
duration 0.068 0.0025
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 0003069
Parameter Value Uncertainty
Am1 1.0022 0.0043
Am2 -0.0014 0.0011
a/Rs 12.62 0.24
Rp/Rs 0.1515 0.0091
ephemeris [JD] 2460031.50744 0.00073
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.1845411508189105
u1 -3.7974605779108224
u2 4.024555414151808
u3 -1.411635927089347
duration 0.0662 0.0034
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
CBB Clear with blue-blocking 500.0 nm 1000.0 nm
Organization Observer Code Secondary Observers
AAVSO HMAK (collaborate/publish)
Light curve chart for 0003410
Parameter Value Uncertainty
Am1 0.9768 0.002
Am2 0.0209 0.0043
a/Rs 12.71 0.35
Rp/Rs 0.145 0.014
ephemeris [JD] 2460066.5709 0.0011
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 1.7945596769578693
u1 -2.9894302512454893
u2 3.4269083255108486
u3 -1.232037700158315
duration 0.0639 0.0049
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 0003829
Parameter Value Uncertainty
Am1 1.113 0.011
Am2 -0.095 0.012
a/Rs 11.511 0.077
Rp/Rs 0.2233 0.0053
ephemeris [JD] 2460087.60064 0.00087
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.184449192387507
u1 -3.7967665628004297
u2 4.023605799872134
u3 -1.4112883695028131
duration 0.0899 0.0012
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 SSUF (collaborate/publish) MMU
Light curve chart for b386ee7cf18e92867e2aabcef773f082
Parameter Value Uncertainty
Am1 1.0005 0.0014
Am2 0
a/Rs 12.74 0.23
Rp/Rs 0.1527 0.0092
ephemeris [JD] 2459691.40625 0.0006
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.4026192398816866
u1 -4.182592385792784
u2 4.254097084094826
u3 -1.4741238747927428
duration 0.0647 0.0032
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 30c47f4f965a04dd36ff6f3d5fe78c53
Parameter Value Uncertainty
Am1 0.9997 0.0015
Am2 0
a/Rs 12.76 0.21
Rp/Rs 0.1531 0.0085
ephemeris [JD] 2459701.92523 0.00054
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.4023746168097064
u1 -4.1820186332232865
u2 4.253639645393976
u3 -1.4739955655962262
duration 0.0644 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 2de92643b686d2f178cec14fb133904c
Parameter Value Uncertainty
Am1 1.0002 0.0014
Am2 0
a/Rs 12.5 0.18
Rp/Rs 0.1457 0.0065
ephemeris [JD] 2459673.87589 0.00058
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.4018314392547424
u1 -4.180701750808211
u2 4.252395352052786
u3 -1.473524977133688
duration 0.0668 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 0305cb9c09bded9fc71910c7c90360ef
Parameter Value Uncertainty
Am1 1.0008 0.0012
Am2 0
a/Rs 12.43 0.15
Rp/Rs 0.1429 0.0052
ephemeris [JD] 2459677.38119 0.00052
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.4016114997899614
u1 -4.180176154438342
u2 4.2518897941226355
u3 -1.4733250761161596
duration 0.0671 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 755787138fcb7d69591c3a24e42f908f
Parameter Value Uncertainty
Am1 0.9988 0.0013
Am2 0
a/Rs 12.49 0.17
Rp/Rs 0.1443 0.006
ephemeris [JD] 2459687.90014 0.0006
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.4013161907970777
u1 -4.1790803154846925
u2 4.250454909716243
u3 -1.4726907216919147
duration 0.0668 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)
Light curve chart for d28651cb4834daca76f728599361bbfc
Parameter Value Uncertainty
Am1 1.0007 0.0014
Am2 0
a/Rs 12.64 0.19
Rp/Rs 0.1494 0.0075
ephemeris [JD] 2459715.94976 0.00055
eccentricity 0.0
inclination [degrees] 86.01
omega [degrees] 0.0
orbital period [days] 3.506195
u0 2.4018108932025455
u1 -4.180473552641014
u2 4.2519124695785475
u3 -1.4732497467816459
duration 0.0654 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)

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