exoclock

GJ1214b

Discovered by: Charbonneau et al. 2009

The Star
Simbad
GAIA
2MASS		 G 139-21
DR2 4393265392167891712
J17151894+0457496
RA 17:15:18.9337 DEC +04:57:50.064
Parallax
68.265 mas		 P.M. RA
580.447 mas/y		 P.M. DEC
-749.588 mas/y
MagV
15.1		 MagR
14.394		 MagI
11.52		 MagJ
9.75		 MagH
9.094		 MagK
8.782
MagG
13.009		 MagGBP
14.932		 MagGRP
11.696
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2455881.57931 ± 2.2e-05 BJDTDB
Period
1.58040454 ± 4e-08 days
Transit Parameters
Berta et al. 2012
Rp/Rs
0.116 ± 0.0005		 a/Rs
15.31 +0.21 -0.29
 i
89.3 +0.4 -0.3 deg
e
-		 ω
- deg
DepthR*
18.78 mmag		 Duration*
0.87 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Charbonneau et al. 2009
Teff
3026.0 +130.0 -130.0 K
 Log(g)
4.99 +0.03 -0.03 cm/s2
 Fe/H
0.0 +0.0 -0.0 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes 		LOW
12 (4)

69

1.49±0.24

GJ1214b


ExoClock Observations

Observation
Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
2022-07-19 Ivo Peretto
MarSEC Marana Space Explorer Center		 R-C
Moravia G2-1600 MkII / Clear / 180.0		 0.4 ± 0.9
2022-06-12 Adrian Jones
Private Observatory (I64)		 Meade ACF 30cm
QSI 583 / Lum / 200.0		 -0.9 ± 1.9
2022-05-20 Dim Stouraitis
Galilaios		 SCT
SXVF-H9 Starlight-Xpress / R / 100.0		 1.7 ± 2.7
2022-05-12 Robert Roth
TURMX Observatory		 Planewave CDK17
QHY600M / Lum / 120.0		 2.4 ± 0.9
2021-06-30 Adam Popowicz
Otivar dome2		 Newton 12" ASA
ASI ZWO 1600MM / R / 400.0		 -1.5 ± 4.3
2021-06-11 Mario Morales Aimar
Observatorio de Sencelles MPC K14		 Reflector 10"
SBIG ST7-XME / Clear / 240.0		 2.7 ± 1.6
2021-03-23 Paul Benni
Acton Sky Portal		 C11 EdgeHD
SBIG ST8XME / Astrodon ExoPlanet-BB / 100.0		 2.3 ± 0.4
2020-08-03 Yves Jongen
Deep Sky Chile		 Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		 3.2 ± 1.0 - Data available
2020-05-15 Manfred Raetz
privat observatory Herges-Hallenberg		 SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 180.0		 0.2 ± 1.3 - Data available
2019-09-29 Xesco Rubia
Stupa Observatory		 TOA130NFB
Moravian G4-16000 MKII / Lum / 180.0		 3.2 ± 3.2 - Data available
2018-07-07 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / Lum / 60.0		 0.6 ± 0.4 - Data available
2015-07-19 Antonio Marino
UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY		 SC11
CCD Atik 314L / Clear / 90.0		 0.8 ± 3.0 - Data available


Literature Mid-times

Observation
Date		 Mid-time Time format Reference O-C
minutes
2017-07-28 2457962.97224 ± 0.00021 BJD_TDB Mallonn et al. 2019 0.2 ± 0.3
2017-06-30 2457934.52493 ± 0.00014 BJD_TDB Mallonn et al. 2019 0.2 ± 0.2
2017-06-22 2457926.62277 ± 0.00025 BJD_TDB Mallonn et al. 2019 -0.0 ± 0.4
2017-06-18 2457923.46207 ± 0.00015 BJD_TDB Mallonn et al. 2019 0.1 ± 0.2
2017-06-18 2457923.46172 ± 9e-05 BJD_TDB Mallonn et al. 2019 -0.4 ± 0.1
2017-06-17 2457921.88174 ± 0.00024 BJD_TDB Mallonn et al. 2019 0.2 ± 0.3
2017-06-11 2457915.56 ± 0.00024 BJD_TDB Mallonn et al. 2019 0.1 ± 0.3
2017-06-07 2457912.3993 ± 0.00021 BJD_TDB Mallonn et al. 2019 0.2 ± 0.3
2017-06-07 2457912.3991 ± 0.00022 BJD_TDB Mallonn et al. 2019 -0.1 ± 0.3
2017-06-01 2457906.07729 ± 0.00018 BJD_TDB Mallonn et al. 2019 -0.3 ± 0.3
2017-05-30 2457904.49709 ± 0.00015 BJD_TDB Mallonn et al. 2019 -0.0 ± 0.2
2017-05-23 2457896.59512 ± 0.00012 BJD_TDB Mallonn et al. 2019 0.0 ± 0.2
2017-05-19 2457893.43461 ± 0.00024 BJD_TDB Mallonn et al. 2019 0.5 ± 0.3
2017-05-19 2457893.43435 ± 0.00017 BJD_TDB Mallonn et al. 2019 0.1 ± 0.2
2017-05-19 2457893.43414 ± 0.00023 BJD_TDB Mallonn et al. 2019 -0.2 ± 0.3
2017-05-05 2457879.21055 ± 0.0002 BJD_TDB Mallonn et al. 2019 -0.1 ± 0.3
2017-05-04 2457877.63028 ± 0.00016 BJD_TDB Mallonn et al. 2019 0.1 ± 0.2
2017-04-23 2457866.56781 ± 0.0002 BJD_TDB Mallonn et al. 2019 0.6 ± 0.3
2017-04-23 2457866.56742 ± 0.00012 BJD_TDB Mallonn et al. 2019 0.0 ± 0.2
2017-04-18 2457861.82581 ± 0.00042 BJD_TDB Mallonn et al. 2019 -0.6 ± 0.6
2017-04-04 2457847.60296 ± 0.0002 BJD_TDB Mallonn et al. 2019 0.6 ± 0.3
2017-04-04 2457847.6025 ± 0.00016 BJD_TDB Mallonn et al. 2019 -0.1 ± 0.2
2017-03-27 2457839.70063 ± 0.00011 BJD_TDB Mallonn et al. 2019 0.1 ± 0.2
2011-11-08 2455873.677187 ± 6.2e-05 BJD_TDB Fraine et al. 2013 -0.1 ± 0.1
2011-11-06 2455872.096721 ± 9.4e-05 BJD_TDB Fraine et al. 2013 -0.2 ± 0.1
2011-08-25 2455799.398686 ± 0.00027 BJD_TDB Harpsøe et al. 2013 0.6 ± 0.4
2011-08-25 2455799.398465 ± 0.00027 BJD_TDB Harpsøe et al. 2013 0.3 ± 0.4
2011-08-25 2455799.39783 ± 0.0005 BJD_TDB Harpsøe et al. 2013 -0.7 ± 0.7
2011-08-10 2455783.59415 ± 0.00024 BJD_UTC Cáceres et al. 2014 1.0 ± 0.3
2011-06-14 2455726.7001 ± 0.001 BJD_UTC Cáceres et al. 2014 1.9 ± 1.4
2011-06-03 2455715.637033 ± 0.00017 BJD_TDB Harpsøe et al. 2013 0.3 ± 0.2
2011-05-19 2455701.413161 ± 5.9e-05 BJD_TDB Fraine et al. 2013 -0.0 ± 0.1
2011-05-18 2455699.83386 ± 0.00094 BJD_UTC Cáceres et al. 2014 2.7 ± 1.4
2011-05-18 2455699.83255 ± 6.8e-05 BJD_TDB Fraine et al. 2013 -0.3 ± 0.1
2011-05-16 2455698.252258 ± 4.7e-05 BJD_TDB Fraine et al. 2013 -0.2 ± 0.1
2011-05-15 2455696.671937 ± 7.3e-05 BJD_TDB Fraine et al. 2013 -0.1 ± 0.1
2011-05-12 2455693.511181 ± 5.8e-05 BJD_TDB Fraine et al. 2013 0.0 ± 0.1
2011-05-10 2455691.930794 ± 6.7e-05 BJD_TDB Fraine et al. 2013 0.0 ± 0.1
2011-05-08 2455690.350385 ± 5.2e-05 BJD_TDB Fraine et al. 2013 0.0 ± 0.1
2011-05-07 2455688.76988 ± 9.4e-05 BJD_TDB Fraine et al. 2013 -0.1 ± 0.1
2011-05-05 2455687.189632 ± 6.5e-05 BJD_TDB Fraine et al. 2013 0.1 ± 0.1
2011-05-04 2455685.609139 ± 4.8e-05 BJD_TDB Fraine et al. 2013 -0.0 ± 0.1
2011-05-02 2455684.028698 ± 5.6e-05 BJD_TDB Fraine et al. 2013 -0.1 ± 0.1
2011-04-30 2455682.448272 ± 6.7e-05 BJD_TDB Fraine et al. 2013 -0.1 ± 0.1
2011-04-29 2455680.867846 ± 5.9e-05 BJD_TDB Fraine et al. 2013 -0.1 ± 0.1
2011-04-26 2455677.706878 ± 0.00017 BJD_TDB Fraine et al. 2013 -0.4 ± 0.2
2011-04-18 2455669.805222 ± 0.00011 BJD_TDB Fraine et al. 2013 0.2 ± 0.2
2011-03-30 2455650.840034 ± 0.000152 BJD_TDB Fraine et al. 2013 -0.3 ± 0.2
2011-03-11 2455631.875656 ± 9.2e-05 BJD_TDB Fraine et al. 2013 0.4 ± 0.1
2010-08-21 2455429.583692 ± 0.00016 BJD_TDB Harpsøe et al. 2013 0.1 ± 0.2
2010-08-06 2455415.360098 ± 0.00018 BJD_TDB Harpsøe et al. 2013 0.2 ± 0.3
2010-08-02 2455410.618895 ± 0.0001 BJD_TDB Harpsøe et al. 2013 0.2 ± 0.1
2010-07-18 2455396.395438 ± 0.0002 BJD_TDB Harpsøe et al. 2013 0.4 ± 0.3
2010-07-14 2455391.654029 ± 0.00016 BJD_TDB Harpsøe et al. 2013 0.2 ± 0.2
2010-07-07 2455385.332107 ± 0.00061 BJD_TDB Harpsøe et al. 2013 -0.3 ± 0.9
2010-07-06 2455383.751635 ± 0.00016 BJD_TDB Harpsøe et al. 2013 -0.4 ± 0.2
2010-06-29 2455377.431461 ± 0.00042 BJD_TDB Harpsøe et al. 2013 1.7 ± 0.6
2010-05-18 2455334.759334 ± 6.6e-05 BJD_TDB Berta et al. 2011 -0.0 ± 0.1
2010-05-10 2455326.857404 ± 0.00011 BJD_TDB Berta et al. 2011 0.1 ± 0.2
2010-04-29 2455315.79475 ± 0.00011 BJD_UTC Cáceres et al. 2014 1.5 ± 0.2
2010-04-29 2455315.79505 ± 0.00066 BJD_TDB Harpsøe et al. 2013 0.8 ± 1.0
2010-04-29 2455315.794968 ± 0.00093 BJD_TDB Harpsøe et al. 2013 0.7 ± 1.3
2010-04-27 2455314.214114 ± 8.5e-05 BJD_TDB Fraine et al. 2013 0.0 ± 0.1
2010-04-26 2455312.633724 ± 7.2e-05 BJD_TDB Fraine et al. 2013 0.1 ± 0.1
2009-06-17 2454999.713448 ± 0.000155 BJD_TDB Berta et al. 2011 -0.2 ± 0.2
2009-06-01 2454983.909507 ± 9e-05 BJD_TDB Berta et al. 2011 -0.0 ± 0.1
2009-05-29 2454980.748682 ± 0.000104 BJD_TDB Berta et al. 2011 -0.1 ± 0.1
2009-05-15 2454966.525207 ± 0.000351 BJD_TDB Berta et al. 2011 0.2 ± 0.5
2009-05-15 2454966.525042 ± 6.5e-05 BJD_TDB Berta et al. 2011 -0.1 ± 0.1
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