Skip Navigation
menu close modal

results

KOI-13 b

View target in exoplanet catalog

Total Reductions to Date: 1

Date Processed: 09/24/2023 at 00:07:22 (PDT)

Exoplanet Watch Ephemeris

Parameter Value Uncertainty
Orbital Period (Days) - -
Ephemeris (BJD_TDB) - -
Time saved (hours) -  

Assumed Priors

Parameter Value Uncertainty Units Reference
RA 286.9713876 decimal
DEC 46.8682463 decimal
Host Star Metallicity 0.07 0.15 Q1-Q17 DR25 KOI Table
Host Star log(g) 3.87 0.34 Log10(cgs) Q1-Q17 DR25 KOI Table
Host Star Radius [R_Sun] 2.49 0.24 Sol Berger et al. 2018
Host Star Effective Temperature [K] 7986.07 177.2 K Gajdoš et al. 2019
a/Rs 4.29 0.08 Beatty et al. 2017
eccentricity 0.00016 4e-05 Beatty et al. 2017
inclination [degrees] 86.04 0.44 deg Beatty et al. 2017
omega [degrees] 128.0 44.0 deg Beatty et al. 2017
orbital period [days] 1.76358747 1e-08 day Gajdoš et al. 2019
Rp 17.63 1.67 R_Earth Berger et al. 2018
Rp/Rs 0.0678 0 Q1-Q17 DR25 KOI Table
ephemeris [JD] 2454953.56598 4e-06 BJD Gajdoš et al. 2019

Previously Published Mid-Transit Times

Value Uncertainty Units Reference
2454953.5656603845 2.3384615384615385e-05 BJD, JD Gajdoš et al. 2019, Q1-Q17 DR25 Supplemental KOI Table, Q1-Q17 DR25 KOI Table, Holczer et al. 2016, Morton et al. 2016, Q1-Q17 DR24 KOI Table, Esteves et al. 2015, Q1-Q16 KOI Table, Q1-Q12 KOI Table, Q1-Q8 KOI Table, Batalha et al. 2013, Barnes et al. 2011, Borucki et al. 2011
2455138.7439 0.0013 BJD Shporer et al. 2011
2459420.733727 0.000377 BJD ExoFOP-TESS TOI

Observations

Light curve chart for 0001580
Parameter Value Uncertainty
Am1 0.968 0.014
Am2 0.0268 0.0078
a/Rs 4.68 0.12
Rp/Rs 0.127 0.022
ephemeris [JD] 2459748.781 0.0046
eccentricity 0.00016
inclination [degrees] 86.04
omega [degrees] 128.0
orbital period [days] 1.76358747
u0 1.6390025560424848
u1 -2.1866161070481804
u2 2.5005839953144933
u3 -0.9529704070471927
duration 0.1243 0.0051
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 LPAC (collaborate/publish)

Explore Alien Worlds

Exoplanet Travel Bureau

This set of travel posters envision a day when the creativity of scientists and engineers will allow us to do things we can only dream of now.
More

Strange New Worlds

Explore an interactive gallery of some of the most intriguing and exotic planets discovered so far.
More
A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.

Historic Timeline

A planetary tour through time. The ancients debated the existence of planets beyond our own; now we know of thousands.
More