exoclock

GJ9827b (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 - Verified True
Kokori et al. 2022
Mid-time
2457831.9172 ± 0.00026 BJDTDB
Period
1.2089749 ± 1e-06 days

Transit Parameters
Rice et al. 2019
Rp/Rs
0.024 ± 0.0004
a/Rs
6.72 +0.08 -0.09
i
86.1 +0.4 -0.3 deg
e
-
ω
- deg
DepthR*
0.74 mmag
Duration*
1.27 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 75.55"
Total Observations (Recent) 41 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 40 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs 0.02441 ± 0.00015
TESS Rp/Rs 0.0276 ± 0.0013

GJ9827b


Space Observations

Planet
Observation Date
Mission O-C
minutes
GJ9827b (HIGH)
2021-09-11
TESS2.57 ± 2.59
GJ9827b (HIGH)
2021-09-10
TESS-2.94 ± 4.32
GJ9827b (HIGH)
2021-09-08
TESS2.35 ± 3.02
GJ9827b (HIGH)
2021-09-04
TESS-1.39 ± 2.02
GJ9827b (HIGH)
2021-08-26
TESS-2.22 ± 4.03
GJ9827b (HIGH)
2021-08-25
TESS0.34 ± 2.88
GJ9827b (HIGH)
2018-09-14
K20.71 ± 2.88
GJ9827b (HIGH)
2018-09-10
K21.18 ± 4.46
GJ9827b (HIGH)
2018-09-09
K2-0.15 ± 4.32
GJ9827b (HIGH)
2017-03-03
K23.71 ± 2.45
GJ9827b (HIGH)
2017-03-02
K2-2.1 ± 1.09
GJ9827b (HIGH)
2017-03-01
K2-0.69 ± 1.44
GJ9827b (HIGH)
2017-02-25
K2-2.09 ± 2.16
GJ9827b (HIGH)
2017-02-20
K20.36 ± 1.87
GJ9827b (HIGH)
2017-02-19
K21.18 ± 1.87
GJ9827b (HIGH)
2017-02-17
K22.26 ± 1.73
GJ9827b (HIGH)
2017-02-15
K2-3.39 ± 2.45
GJ9827b (HIGH)
2017-02-14
K2-0.4 ± 1.58
GJ9827b (HIGH)
2017-02-13
K20.72 ± 2.16
GJ9827b (HIGH)
2017-01-31
K2-2.42 ± 1.44
GJ9827b (HIGH)
2017-01-30
K20.43 ± 1.73
GJ9827b (HIGH)
2017-01-28
K2-6.38 ± 5.9
GJ9827b (HIGH)
2017-01-27
K2-1.23 ± 2.02
GJ9827b (HIGH)
2017-01-26
K2-5.73 ± 2.59
GJ9827b (HIGH)
2017-01-16
K2-0.69 ± 2.02
GJ9827b (HIGH)
2017-01-15
K2-1.81 ± 0.88
GJ9827b (HIGH)
2017-01-14
K2-1.83 ± 1.12
GJ9827b (HIGH)
2017-01-13
K2-3.25 ± 2.16
GJ9827b (HIGH)
2017-01-11
K2-6.02 ± 3.31
GJ9827b (HIGH)
2017-01-10
K2-1.59 ± 2.02
GJ9827b (HIGH)
2017-01-07
K2-1.35 ± 1.04
GJ9827b (HIGH)
2017-01-03
K27.26 ± 2.59
GJ9827b (HIGH)
2017-01-01
K24.74 ± 2.02
GJ9827b (HIGH)
2016-12-30
K226.88 ± 5.47
GJ9827b (HIGH)
2016-12-28
K2-4.37 ± 0.94
GJ9827b (HIGH)
2016-12-27
K22.37 ± 0.94
GJ9827b (HIGH)
2016-12-25
K2-0.33 ± 1.73
GJ9827b (HIGH)
2016-12-24
K20.88 ± 1.08
GJ9827b (HIGH)
2016-12-23
K2-1.62 ± 1.37
GJ9827b (HIGH)
2016-12-22
K21.92 ± 0.49
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