J/A+A/618/A41 Photometry of Kepler-9b and c transits (Freudenthal+, 2018)
Kepler Object of Interest Network.
II. Photodynamical modelling of Kepler-9 over 8 years of transit observations.
Freudenthal J., von Essen C., Dreizler S., Wedemeyer S., Agol E.,
Morris B.M., Becker A.C., Mallonn M., Hoyer S., Ofir A., Tal-Or L.,
Deeg H.J., Herrero E., Ribas I., Khalafinejad S., Hernandez J.,
Rodriguez S.M.M.
<Astron. Astrophys. 618, A41 (2018)>
=2018A&A...618A..41F 2018A&A...618A..41F (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple ; Exoplanets ; Photometry
Keywords: planetary systems -
planets and satellites: dynamical evolution and stability -
methods: data analysis - techniques: photometric -
stars: individual: Kepler-9 - stars: fundamental parameters
Abstract:
The Kepler-9b/c system is a prime example of anti-correlated transit
timing variations (TTVs). These TTVs results from the dynamical
interaction amplified by the near 2:1 period resonance of the
planets. The dynamical cycle was only almost finished when the Kepler
telescope stopped the observations on that field. To complement the
dynamical cycle of this and other Kepler Objects of Interest (KOIs)
showing TTVs, the KOINet was build to organize follow-up observations
with ground-based telescopes. These follow-up observations of
Kepler-9b/c transits were used in a detailed photodynamical modelling
of the system and increased the accuracy of the derivable system
parameters.
Description:
All our observations were carried out using R-band filter. We provide
the differential photometry with varying reference stars for each
observation together with the used detrending components. We measured
five Kepler-9b and four Kepler-9c transits in thirteen observations
between 2014 and 2017.
Objects:
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RA (2000) DE Designation(s)
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19 02 17.8 +38 24 03 Kepler-9 = KOI-377 = KIC 3323887
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
list.dat 30 13 List of light curves
9b1arc.dat 104 2075 Light curve 1 of Kepler-9b on 2015.06.17, ARC
9b2wis.dat 126 132 Light curve 2 of Kepler-9b on 2015.07.05, WISE
9b3cah.dat 128 462 Light curve 3 of Kepler-9b on 2015.07.25, CAHA
9b4liv.dat 350 545 Light curve 4 of Kepler-9b on 2015.07.25, LIV
9b5not.dat 155 630 Light curve 5 of Kepler-9b on 2015.07.25, NOT
9b6arc.dat 279 2095 Light curve 6 of Kepler-9b on 2015.08.14, ARC
9b7iac.dat 75 60 Light curve 7 of Kepler-9b on 2015.10.10, IAC
9b8tjo.dat 453 133 Light curve 8 of Kepler-9b on 2015.10.10, TJO
9b9not.dat 453 624 Light curve 9 of Kepler-9b on 2017.06.16, NOT
9c1olt.dat 84 103 Light curve 1 of Kepler-9c on 2014.06.30, OLT
9c2arc.dat 128 2073 Light curve 2 of Kepler-9c on 2015.09.01, ARC
9c3not.dat 204 219 Light curve 3 of Kepler-9c on 2017.05.17, NOT
9c4not.dat 131 416 Light curve 4 of Kepler-9c on 2017.06.25, NOT
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See also:
J/A+A/615/A79 : KOINet: study of exoplanet systems via TTVs (von Essen+, 2018)
Byte-by-byte Description of file: list.dat
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 10 A10 "YYYY.MM.DD" Date Observation date
12 A1 --- Planet [bc] Planet letter
14- 17 A4 --- Tel Telescope used (1)
19- 30 A12 --- FileName Name of the light curve file
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Note (1): Telescope used as follows:
OLT = 1.2m Oskar-Luehning telescope at Hamburg Observatory, Germany
ARC = 3.5m Astrophysical Research Consortium telescope at the Apache Point
Observatory, United States of America
WISE = 1m telescope at Wise Observatory, Israel
CAHA = 2.2m telescope at Centro Astronomico Hispano Aleman,
LIV = 2m Liverpool telescope at Observatorio Roque de los Muchachos, Spain
NOT = 2.5m Nordic Optical Telescope at Observatorio Roque de los Muchachos,
Spain
IAC = 0.8m Instituto de Astrofisica de Canaries telescope at Observatorio del
Teide, Spain
TJO = 0.8m Telescopi Joan Oro at Observatori Astronomic del Montsec, Spain
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Byte-by-byte Description of file: 9b_*.dat 9c_*.dat
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Bytes Format Units Label Explanations
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1- 16 F16.8 d BJD Barycentric Julian date in barycentric
dynamical time
18- 25 F8.6 --- Flux Raw flux
27- 34 F8.6 --- e_Flux Flux error scaled by the standard deviation and
the β value
36- 38 F3.1 --- DT1 Detrending component 1 (offset)
40- 60 F21.17 --- DT2 Detrending component 2
62- 84 F23.17 --- DT3 Detrending component 3
86-106 F21.15 --- DT4 ? Detrending component 4
108-131 F24.18 --- DT5 ? Detrending component 5
133-155 F23.17 --- DT6 ? Detrending component 6
157-168 F12.6 --- DT7 ? Detrending component 7
170-181 F12.6 --- DT8 ? Detrending component 8
183-194 F12.6 --- DT9 ? Detrending component 9
196-208 F13.7 --- DT10 ? Detrending component 10
210-221 F12.7 --- DT11 ? Detrending component 11
223-234 F12.7 --- DT12 ? Detrending component 12
236-249 F14.9 --- DT13 ? Detrending component 13
251-264 F14.9 --- DT14 ? Detrending component 14
266-279 F14.9 --- DT15 ? Detrending component 15
281-294 F14.9 --- DT16 ? Detrending component 16
296-309 F14.9 --- DT17 ? Detrending component 17
311-324 F14.9 --- DT18 ? Detrending component 18
326-339 F14.9 --- DT19 ? Detrending component 19
341-354 F14.9 --- DT20 ? Detrending component 20
356-369 F14.9 --- DT21 ? Detrending component 21
371-383 F13.8 --- DT22 ? Detrending component 22
385-397 F13.8 --- DT23 ? Detrending component 23
399-411 F13.8 --- DT24 ? Detrending component 24
413-425 F13.8 --- DT25 ? Detrending component 25
427-439 F13.8 --- DT26 ? Detrending component 26
441-453 F13.8 --- DT27 ? Detrending component 27
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Acknowledgements:
Jantje Freudenthal, jfreude(at)astro.physik.uni-goettingen.de
References:
von Essen et al., Paper I 2018A&A...615A..79V 2018A&A...615A..79V, Cat. J/A+A/615/A79
(End) Jantje Freudenthal [IAG, Germany], Patricia Vannier [CDS] 13-Aug-2018