exoclock

GJ9827d (HIGH)

Discovered by: Niraula et al. 2017

The Star
Simbad
GAIA
2MASS
BD-02 5958
DR2 2643842302456085888
J23270480-0117108
RA 23:27:04.8376 DEC -01:17:10.585
Parallax
33.685 mas
P.M. RA
376.019 mas/y
P.M. DEC
216.071 mas/y
MagV
10.1
MagR
10.09
MagI
8.89
MagJ
7.984
MagH
7.379
MagK
7.193
MagG
9.838
MagGBP
10.601
MagGRP
9.016
*Calculated from GAIA magnitudes.

Ephemeris - Not verified False
Rodriguez et al. 2018
Mid-time
2457740.9611 ± 0.0004 BJDTDB
Period
6.20147 ± 6e-05 days

Transit Parameters
Rice et al. 2019
Rp/Rs
0.0307 ± 0.0006
a/Rs
20.0 +0.23 -0.25
i
87.44 +0.04 -0.04 deg
e
-
ω
- deg
DepthR*
0.84 mmag
Duration*
1.22 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Niraula et al. 2017
Teff
4255.0 +110.0 -110.0 K
Log(g)
4.7 +0.15 -0.15 cm/s2
Fe/H
-0.28 +0.12 -0.12 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 67.39"
Total Observations (Recent) 9 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs 0.03159 ± 0.0004
TESS Rp/Rs -

GJ9827d


Space Observations

Planet
Observation Date
Mission O-C
minutes
GJ9827d (HIGH)
2017-03-02
K2-0.49 ± 2.3
GJ9827d (HIGH)
2017-02-24
K23.07 ± 3.6
GJ9827d (HIGH)
2017-02-18
K22.16 ± 4.18
GJ9827d (HIGH)
2017-01-30
K2-1.71 ± 1.38
GJ9827d (HIGH)
2017-01-24
K2-1.18 ± 1.44
GJ9827d (HIGH)
2017-01-18
K21.66 ± 1.44
GJ9827d (HIGH)
2017-01-06
K20.46 ± 0.79
GJ9827d (HIGH)
2016-12-30
K2-16.47 ± 5.04
GJ9827d (HIGH)
2016-12-24
K22.09 ± 0.72
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