exoclock

K2-30b (LOW)

Discovered by: Johnson et al. 2016

The Star
Simbad
GAIA
2MASS		 K2-30
DR2 61607255708760960
J03292204+2217577
RA 03:29:22.0746 DEC +22:17:57.874
Parallax
2.974 mas		 P.M. RA
16.579 mas/y		 P.M. DEC
-14.027 mas/y
MagV
13.53		 MagR*
12.939		 MagI*
12.411		 MagJ
11.632		 MagH
11.19		 MagK
11.088
MagG
13.206		 MagGBP
13.777		 MagGRP
12.499
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457526.93509 ± 0.00014 BJDTDB
Period
4.09847804 ± 6.9e-07 days
Transit Parameters
Johnson et al. 2016
Rp/Rs
0.1266 ± 0.0016		 a/Rs
12.3 +0.4 -0.4
 i
86.92 +0.26 -0.24 deg
e
-		 ω
- deg
DepthR*
18.69 mmag		 Duration*
2.33 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Johnson et al. 2016
Teff
5425.0 +40.0 -40.0 K
 Log(g)
4.54 +0.03 -0.03 cm/s2
 Fe/H
-0.15 +0.05 -0.05 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 7.74"
Total Observations (Recent) 61 (9)
O-C 0.4 ± 0.48 minutes
ExoClock Observations (Recent) 40 (9)
Space Observations (Recent) 21 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs 0.12592 ± 0.0003
TESS Rp/Rs 0.1247 ± 0.0013

K2-30b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
K2-30b (LOW)
2024-10-04		Pieter Vuylsteke
TheGardenToTheSkyFacility		TS ONTC 25cm f4.7
QHY 268M / rpr / 150.0		0.88 ± 2.59
K2-30b (LOW)
2024-10-04		Alvaro Fornas
MPC J57. Centro Astronómico Alto Turia		Meade LX200 Classic
Moravian G2 8300 / Lum / 90.0		0.02 ± 1.87
K2-30b (LOW)
2024-01-24		Esteban Reina
Observatori de Masquefa		Meade LX200
ZWO ASI 294 MM Pro / R / 120.0		14.04 ± 2.16
K2-30b (LOW)
2024-01-24		Enrique Arce
Vallbona Observatory		Ritchey Chretien
ZWO ASI 294 MM PRO / Lum / 300.0		6.84 ± 2.88
K2-30b (LOW)
2024-01-24		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0		-0.93 ± 1.58
K2-30b (LOW)
2024-01-20		Stefano Lora
MarSEC		Ritchey Chrétien
Moravian G2 Mark II / R / 120.0		3.5 ± 3.74
K2-30b (LOW)
2024-01-12		Lee YuHsien
KMSH Observatory		C14HD
QSI-660 / Clear / 30.0		-3.48 ± 2.02
K2-30b (LOW)
2023-12-10		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-3.15 ± 4.32
K2-30b (LOW)
2023-10-14		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Lum / 180.0		-1.87 ± 1.44
K2-30b (LOW)
2023-09-28		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Player One Astronomy Poseidon-M Pro (IMX571) / R / 120.0		-3.72 ± 2.74
K2-30b (LOW)
2023-01-16		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / R / 240.0		0.77 ± 1.12
K2-30b (LOW)
2023-01-16		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / Clear / 150.0		0.37 ± 2.45
K2-30b (LOW)
2023-01-16		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / Lum / 200.0		-0.93 ± 2.59
K2-30b (LOW)
2023-01-16		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 180.0		-1.36 ± 5.47
K2-30b (LOW)
2023-01-12		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		0.48 ± 2.45
K2-30b (LOW)
2022-12-19		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Clear / 120.0		1.58 ± 2.45
K2-30b (LOW)
2022-11-04		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 75.0		-1.0 ± 1.3
K2-30b (LOW)
2022-10-26		Antonino Brosio
ABObservatory		Skywatcher Newton Quattro 300P
Atik 383 L / rpr / 180.0		0.6 ± 2.3
K2-30b (LOW)
2022-01-04		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / Lum / 200.0		-0.67 ± 1.58
K2-30b (LOW)
2022-01-04		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 120.0		-1.25 ± 2.45
K2-30b (LOW)
2022-01-04		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Clear / 180.0		-1.54 ± 3.17
K2-30b (LOW)
2021-12-31		Giovanni Battista Casalnuovo
FSO Filzi School Observatory		RC14" f/8
ASI 294 PRO / Clear / 60.0		-1.71 ± 1.44
K2-30b (LOW)
2021-12-31		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-2.29 ± 4.32
K2-30b (LOW)
2020-11-25		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-1.5 ± 1.44
K2-30b (LOW)
2020-11-21		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		3.37 ± 1.58
K2-30b (LOW)
2020-11-21		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		3.22 ± 1.44
K2-30b (LOW)
2020-11-16		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		5.06 ± 1.15
K2-30b (LOW)
2020-09-12		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		2.11 ± 1.01
K2-30b (LOW)
2020-09-04		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 120.0		-1.7 ± 2.59
K2-30b (LOW)
2020-08-31		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		4.89 ± 1.44
K2-30b (LOW)
2020-08-31		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 180.0		4.75 ± 4.32
K2-30b (LOW)
2020-08-31		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 60.0		-1.87 ± 1.01
K2-30b (LOW)
2020-08-31		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / Lum / 45.0		-2.02 ± 2.59
K2-30b (LOW)
2020-08-31		Danilo Sedita
Osservatorio Sedita Castrofilippo		RC GSO 14"
Moravian G2-1600 / R / 60.0		-2.31 ± 1.58
K2-30b (LOW)
2020-08-18		Taewoo Kim
Deokheung Optical Astronomy Observatory		NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 180.0		-1.68 ± 0.72
K2-30b (LOW)
2019-12-16		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / Lum / 60.0		2.04 ± 4.32
K2-30b (LOW)
2019-10-04		Pere Guerra
Observatori Astronòmic Albanyà		16" Meade ACF F8
Moravian G4-9000 / AstrodonExoPlanet-BB / 120.0		1.76 ± 0.72
K2-30b (LOW)
2019-09-29		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 60.0		-0.87 ± 2.45
K2-30b (LOW)
2018-12-04		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		1.0 ± 1.44
K2-30b (LOW)
2018-01-23		Steven Peterson
Vail View Observatory H18		RCOS 14.5" f/ 7.9
SBIG STL-1301E / I / 120.0		-1.59 ± 1.22

Space Observations
Planet
Observation Date		 Mission O-C
minutes
K2-30b (LOW)
2021-11-04		TESS-4.89 ± 2.02
K2-30b (LOW)
2021-10-31		TESS-1.47 ± 1.87
K2-30b (LOW)
2021-10-27		TESS-1.5 ± 2.02
K2-30b (LOW)
2021-10-23		TESS-2.82 ± 2.02
K2-30b (LOW)
2021-10-18		TESS1.18 ± 1.73
K2-30b (LOW)
2021-10-14		TESS-1.74 ± 1.58
K2-30b (LOW)
2021-10-10		TESS-0.62 ± 2.74
K2-30b (LOW)
2021-10-06		TESS-2.81 ± 2.16
K2-30b (LOW)
2021-10-02		TESS-2.69 ± 2.59
K2-30b (LOW)
2021-09-24		TESS-2.76 ± 2.3
K2-30b (LOW)
2021-09-20		TESS-3.94 ± 2.74
K2-30b (LOW)
2021-09-12		TESS3.34 ± 1.87
K2-30b (LOW)
2021-09-08		TESS-0.87 ± 1.73
K2-30b (LOW)
2021-09-03		TESS-2.48 ± 2.3
K2-30b (LOW)
2021-08-26		TESS0.48 ± 2.45
K2-30b (LOW)
2021-08-22		TESS-2.43 ± 2.45
K2-30b (LOW)
2015-03-19		K21.0 ± 0.43
K2-30b (LOW)
2015-03-15		K22.08 ± 1.17
K2-30b (LOW)
2015-03-06		K2-0.88 ± 0.43
K2-30b (LOW)
2015-02-22		K2-0.14 ± 0.2
K2-30b (LOW)
2015-02-10		K2-0.02 ± 0.26
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