results

Qatar-6 b

Timing Plot

Total Reductions to Date: 18

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 3.5062011627897984 5.065464481797913e-07
Ephemeris (BJD_TDB) 2460087.6068664896 0.00019040802013431241
Time saved (hours) 0.0026  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 222.2100773 decimal
DEC 22.1526136 decimal
Host Star Metallicity 0.04 0.05 Rice et al. 2023
Host Star log(g) 4.56 0.03 Log10(cgs) Rice et al. 2023
Host Star Radius [R_Sun] 0.785 0.033 Sol Rice et al. 2023
Host Star Effective Temperature [K] 5063.0 42.0 K Rice et al. 2023
a/Rs 12.39 0.31 Rice et al. 2023
eccentricity 0.051 0.032 Rice et al. 2023
inclination [degrees] 85.95 0.24 deg Rice et al. 2023
omega [degrees] 58.0 79.0 deg Rice et al. 2023
orbital period [days] 3.5062 2.6e-05 day Rice et al. 2023
Rp 13.05 0.71 R_Earth Rice et al. 2023
Rp/Rs 0.1356 0 ExoFOP-TESS TOI
ephemeris [JD] 2458611.4968 0.0082 BJD Rice et al. 2023

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2458611.4968 0.0082 BJD Rice et al. 2023
2457836.62562 0.00026 BJD-TDB Ivshina & Winn 2022
2457784.0327 0.00049 BJD-TDB Alsubai et al. 2018
2459701.925342 0.00040413 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0002950
Parameter Value Uncertainty
Am1 0.4928 0.0076
Am2 0.68 0.26
a/Rs 11.65 0.85
Rp/Rs 0.261 0.073
ephemeris [JD] 2459333.754 0.011
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.496914061025895
u1 -2.565863511918
u2 3.242652752070835
u3 -1.1737032528594384
duration 0.048 0.011
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 0.9828 0.0036
Am2 0.016 0.024
a/Rs 12.77 0.24
Rp/Rs 0.1385 0.0071
ephemeris [JD] 2459347.79834 0.00069
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.495776067104754
u1 -2.5623299070751195
u2 3.2383200391098046
u3 -1.1717661508847104
duration 0.0576 0.0016
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 1.0027 0.0024
Am2 -0.0016 0.0016
a/Rs 12.06 0.88
Rp/Rs 0.042 0.076
ephemeris [JD] 2459649.314 0.011
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.8092590150418617
u1 -3.0131299117488304
u2 3.429930416928903
u3 -1.2260594691119886
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 0008795
Parameter Value Uncertainty
Am1 1.045 0.029
Am2 -0.033 0.012
a/Rs 13.33 0.72
Rp/Rs 0.269 0.03
ephemeris [JD] 2459652.8481 0.004
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.4960275649034036
u1 -2.5635137156807186
u2 3.2399589078337594
u3 -1.1724727087772946
duration 0.0722 0.0085
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 GHUA (collaborate/publish) MOBS
Light curve chart for 0003451
Parameter Value Uncertainty
Am1 1.012 0.014
Am2 -0.007 0.06
a/Rs 10.93 0.9
Rp/Rs 0.124 0.031
ephemeris [JD] 2459680.9082 0.0047
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.4964345874992335
u1 -2.5644877577998053
u2 3.2408429869576194
u3 -1.1727897683647242
duration 0.083 0.012
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 0006408
Parameter Value Uncertainty
Am1 0.983 0.011
Am2 0.014 0.018
a/Rs 13.79 0.73
Rp/Rs 0.208 0.029
ephemeris [JD] 2459694.8998 0.003
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.496618971715015
u1 -2.5649563360852525
u2 3.2414698245746933
u3 -1.1731324119027913
duration 0.0598 0.0072
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 ASJB (collaborate/publish) MOBS
Light curve chart for 0006342
Parameter Value Uncertainty
Am1 0.9524 0.0089
Am2 0.042 0.012
a/Rs 11.78 0.46
Rp/Rs 0.157 0.011
ephemeris [JD] 2459705.4293 0.0021
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.8863043690148895
u1 -3.279039694690136
u2 3.7066443926776236
u3 -1.3139090117690713
duration 0.0763 0.0061
Included in ephemeris calculations
Light Curve ( PNG, PDF - high resolution )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Filter Detail Min Max
NA Custom 400.0 nm 900.0 nm
Organization Observer Code Secondary Observers
AAVSO UNIS (collaborate/publish)
Light curve chart for 0002938
Parameter Value Uncertainty
Am1 0.9965 0.0032
Am2 0.0026 0.0022
a/Rs 12.25 0.25
Rp/Rs 0.1336 0.0062
ephemeris [JD] 2459992.9379 0.001
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.020929441775247
u1 -3.4118368026925623
u2 3.692426891277793
u3 -1.3015194753390293
duration 0.0677 0.003
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 1.001 0.0027
Am2 -0.00059 0.00058
a/Rs 12.55 0.14
Rp/Rs 0.15 0.0042
ephemeris [JD] 2460003.459 0.00052
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.8097688602421647
u1 -3.01474988727179
u2 3.431809211816534
u3 -1.2268281336489664
duration 0.0664 0.0017
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 1.0021 0.0043
Am2 -0.0014 0.0012
a/Rs 12.63 0.21
Rp/Rs 0.1437 0.0061
ephemeris [JD] 2460031.50732 0.00072
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.1436503421339212
u1 -3.712443521701343
u2 3.955846895352363
u3 -1.3870536568382295
duration 0.0646 0.0026
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 0.9769 0.002
Am2 0.0208 0.0039
a/Rs 12.73 0.27
Rp/Rs 0.1369 0.0085
ephemeris [JD] 2460066.57084 0.00094
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 1.7516392205356568
u1 -2.90638920537522
u2 3.3608071079411
u3 -1.2060570730216087
duration 0.0626 0.0034
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 1.09 0.011
Am2 -0.075 0.013
a/Rs 10.86 0.11
Rp/Rs 0.2065 0.0039
ephemeris [JD] 2460087.59928 0.00089
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.143609378148377
u1 -3.7125469226463688
u2 3.956136570354907
u3 -1.387198966905887
duration 0.0947 0.0016
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 12.75 0.18
Rp/Rs 0.144 0.0058
ephemeris [JD] 2459691.40629 0.00061
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.351845176073687
u1 -4.059536813025304
u2 4.139826764720166
u3 -1.4321350660803231
duration 0.0632 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 30c47f4f965a04dd36ff6f3d5fe78c53
Parameter Value Uncertainty
Am1 0.9997 0.0015
Am2 0
a/Rs 12.75 0.17
Rp/Rs 0.1441 0.0054
ephemeris [JD] 2459701.92527 0.00055
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.3513982140798495
u1 -4.058398560944549
u2 4.138674564004384
u3 -1.4316741554686274
duration 0.0633 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 2de92643b686d2f178cec14fb133904c
Parameter Value Uncertainty
Am1 1.0002 0.0014
Am2 0
a/Rs 12.56 0.15
Rp/Rs 0.1404 0.0041
ephemeris [JD] 2459673.87587 0.00058
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.352273344671123
u1 -4.060268227599818
u2 4.140273983786107
u3 -1.4322790391625224
duration 0.0651 0.0018
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 0.0013
Am2 0
a/Rs 12.51 0.13
Rp/Rs 0.1396 0.0036
ephemeris [JD] 2459677.38124 0.00052
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.351860534636069
u1 -4.05975820460366
u2 4.140250630198141
u3 -1.4323528985360081
duration 0.0653 0.0016
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 12.56 0.14
Rp/Rs 0.1397 0.0038
ephemeris [JD] 2459687.90021 0.00055
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.351426911005016
u1 -4.058043712755
u2 4.1380362840248885
u3 -1.4314194206133588
duration 0.0651 0.0017
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 12.67 0.16
Rp/Rs 0.1426 0.0048
ephemeris [JD] 2459715.94986 0.00055
eccentricity 0.051
inclination [degrees] 85.95
omega [degrees] 58.0
orbital period [days] 3.5062
u0 2.3516850065357304
u1 -4.058831408598579
u2 4.138969043845254
u3 -1.4318225801069615
duration 0.064 0.0019
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)