TRANSIT TIMING OBSERVATIONS FROM KEPLER. IX. CATALOG OF THE FULL LONG-CADENCE DATA SET

By T. Holczer, T. Mazeh, G. Nachmani, D. Jontof-Hutter, Eric B. Ford, D. Fabrycky, D. Ragozzine, Mackenzie Kane, J. Steffen. 2016

155 citations recorded by the source corpus.

We present a new transit timing catalog of 2599 Kepler Objects of Interest (KOIs), using the PDC-MAP long-cadence light curves that include the full 17 quarters of the mission (ftp://wise-ftp.tau.ac.il/pub/tauttv/TTV/ver_112). The goal is to produce an easy-to-use catalog that can stimulate further analyses of interesting systems. For 779 KOIs with high enough S/N, we derived the timing, duration, and depth of 69,914 transits. For 1820 KOIs with lower SNR, we derived only the timing of 225,273 transits. After removal of outlier timings, we derived various statistics for each KOI that were used to indicate significant variations. Including systems found by previous works, we have detected 260 KOIs that showed significant TTVs with long-term variations (>100 days), and another 14 KOIs with periodic modulations shorter than 100 days and small amplitudes. For five of those, the periodicity is probably due to the crossing of rotating stellar spots by the transiting planets.

Subfields: Astronomy and Astrophysics, Computational Mechanics, Instrumentation

View Paper: https://www.semanticscholar.org/paper/394ab8584bb519c7a8a2157f84c47cf96fbed4d0

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In Astronomy and Astrophysics

1. S. Hadden
2. C. Petrovich
3. Y. Lithwick
4. W. Zhu 祝
5. Subo 苏勃 Dong 东
6. J. Xie 谢
7. Y. Wu 武
8. Yanqin Wu

In Computational Mechanics

1. K. Ros

In Instrumentation

1. S. Hadden
2. C. Petrovich
3. W. Zhu 祝
4. Subo 苏勃 Dong 东
5. J. Xie 谢
6. Y. Wu 武
7. Y. Lithwick

Citations in the corpus

• About 30% of Sun-like Stars Have Kepler-like Planetary Systems: A Study of Their Intrinsic Architecture (2018, methodology): “For example, Holczer et al. (2016) found that of the total 260 Kepler planets that showed TTV signals, 121 were in single-tranet systems.”
• Kepler Planet Masses and Eccentricities from TTV Analysis (2016, methodology): “Appendix Description of Individual Systems Our initial selection of systems is made from TTVs identified in the Q1–17 catalog of Holczer et al. (2016).”