results

HATS-9 b

Timing Plot

Total Reductions to Date: 1

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

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) 1.9153110330266596 1.0420557305384233e-06
Ephemeris (BJD_TDB) 2460069.7991427016 0.0014691947601771051
Time saved (hours) 0.0039  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 290.8101704 decimal
DEC -20.1663771 decimal
Host Star Metallicity 0.38 0.05 Livingston et al. 2018
Host Star log(g) 4.1 0.03 Log10(cgs) Livingston et al. 2018
Host Star Radius [R_Sun] 1.592 0.305 Sol Kruse et al. 2019
Host Star Effective Temperature [K] 5599.0 85.0 K Livingston et al. 2018
a/Rs 4.48 0.086 Kruse et al. 2019
eccentricity 0.075 Bonomo et al. 2017
inclination [degrees] 88.94 0.44 deg Bayliss et al. 2018
omega [degrees] 0.0 deg Kruse et al. 2019
orbital period [days] 1.9153196 3.8e-06 day Kruse et al. 2019
Rp 14.41 2.77 R_Earth Kruse et al. 2019
Rp/Rs 0.092 0 Kruse et al. 2019
ephemeris [JD] 2457302.17456 9.4e-05 BJD Kruse et al. 2019

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2456124.25935 0.00086 BJD, BJD-TDB Bonomo et al. 2017, Brahm et al. 2015
2457302.17456 9.4e-05 BJD Kruse et al. 2019
2457311.751365 0.00038199999999999996 BJD Livingston et al. 2018, Petigura et al. 2018
2457380.70247 3.6e-05 BJD Bayliss et al. 2018

Observations

Light curve chart for 0004774
Parameter Value Uncertainty
Am1 0.9984 0.004
Am2 0.0027 0.0021
a/Rs 4.9 0.17
Rp/Rs 0.0739 0.0053
ephemeris [JD] 2460069.8012 0.0037
eccentricity 0.075
inclination [degrees] 88.94
omega [degrees] 0.0
orbital period [days] 1.9153196
u0 2.2777899205830434
u1 -3.976613612056937
u2 4.158849814543778
u3 -1.4600260610981937
duration 0.134 0.0048
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 MJUE (collaborate/publish)