exoclock
exoclock
KELT-1b
Discovered by: Siverd et al. 2012
The Star
Simbad
GAIA
2MASS		 KELT-1
DR2 2881784280929695360
J00012691+3923017
RA 00:01:26.9169 DEC +39:23:01.782
Parallax
3.697 mas		 P.M. RA
-9.771 mas/y		 P.M. DEC
-7.679 mas/y
MagV
10.63		 MagR*
10.391		 MagI*
10.028		 MagJ
9.682		 MagH
9.534		 MagK
9.437
MagG
10.59		 MagGBP
10.873		 MagGRP
10.175
* calculated from GAIA magnitudes

Ephemeris - Verified True
Beatty et al. 2019
Mid-time
2457306.976 ± 0.0003 BJDTDB
Period
1.2174928 ± 6e-07 days
Transit Parameters
Beatty et al. 2019
Rp/Rs
0.0771 ± 0.0003		 a/Rs
3.69 +0.04 -0.04
 i
86.8 +0.8 -0.8 deg
e
0.0013 +0.0005 -0.0005
 ω
358.0 +51.0 -51.0 deg
DepthR*
7.71 mmag		 Duration*
2.71 hours
* calculated from the other parameters, using PyLightcurve
Limb Darkening Parameters
Siverd et al. 2012
Teff
6518.0 +50.0 -50.0 K
 Log(g)
4.23 +0.03 -0.03 cm/s2
 Fe/H
0.05 +0.08 -0.08 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times		 LOW
15 (2)
3.0±0.4
0
KELT-1b


ExoClock Observations
Observation
Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
2021-09-12 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 40.0		 8.1 ± 1.9
2021-07-28 Taewoo Kim
Deokheung Optical Astronomy Observatory		 NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 60.0		 3.5 ± 0.7
2020-11-08 Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		 Officina Stellare RiLa 400
FLI ProLine 16803 / z' / 90.0		 0.5 ± 3.0
2020-11-02 Simon Dawes
William James II Observatory		 Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 45.0		 1.6 ± 2.6
2020-09-13 Dave Wright
Yorick (private observatory)		 Ritchey-Chretien
QSI 683WSG-8 / R / 85.0		 -0.7 ± 2.4
2020-08-11 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		 Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / B / 30.0		 2.4 ± 1.2
2020-08-11 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 2.2 ± 1.9
2020-08-05 Adam Popowicz
Observatory Pyskowice		 RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 60.0		 4.2 ± 3.2
2020-07-25 Fabio Mortari
Hypatia Observatory		 Newton 250mm f/4.9
Sbig ST8-XE / R / 120.0		 6.3 ± 1.6
2020-07-19 Antonio Marino
UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY		 MEADE
CCD Atik 383L / Clear / 60.0		 -1.0 ± 4.3
2020-07-14 Francois Regembal
HRTobs		 Astrosib RC360
SBIG STX 16803 / Lum / 60.0		 3.1 ± 1.6
2020-01-10 Dimitrios Deligeorgopoulos
Artemis Observatory		 GSO RC
Atik 16 HR / R / 60.0		 9.6 ± 7.2 - Data available
2019-12-30 Martin Crow
Burnham Observatory		 Celestron C9.25
SX694 mono / R / 60.0		 -0.3 ± 1.6 - Data available
2019-08-07 Anaël Wünsche
Observatoire des Baronnies Provençales		 Astelco
FLIPL230 / V / 60.0		 1.7 ± 1.6 - Data available
2015-09-26 Anaël Wünsche
Observatoire des Baronnies Provençales		 CDK Planewave
SBIG STL11K / V / 120.0		 2.0 ± 1.6 - Data available
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