TY - JOUR
T1 - Detection of periodicity based on independence tests - II. improved serial independence measure
AU - Zucker, Shay
N1 - Publisher Copyright:
© 2016 The Authors.
PY - 2016/1/7
Y1 - 2016/1/7
N2 - We introduce an improvement to a periodicity metric we have introduced in a previous paper. We improve on the Hoeffding-test periodicity metric, using the Blum-Kiefer-Rosenblatt (BKR) test. Besides a consistent improvement over the Hoeffding-test approach, the BKR approach turns out to perform superbly when applied to very short time series of sawtooth-like shapes. The expected astronomical implications are much more detections of RR-Lyrae stars and Cepheids in sparse photometric data bases, and of eccentric Keplerian radial-velocity (RV) curves, such as those of exoplanets in RV surveys.
AB - We introduce an improvement to a periodicity metric we have introduced in a previous paper. We improve on the Hoeffding-test periodicity metric, using the Blum-Kiefer-Rosenblatt (BKR) test. Besides a consistent improvement over the Hoeffding-test approach, the BKR approach turns out to perform superbly when applied to very short time series of sawtooth-like shapes. The expected astronomical implications are much more detections of RR-Lyrae stars and Cepheids in sparse photometric data bases, and of eccentric Keplerian radial-velocity (RV) curves, such as those of exoplanets in RV surveys.
KW - Binaries: spectroscopic
KW - Methods: data analysis
KW - Methods: statistical
KW - Stars: individual: HIP 101453
KW - Stars: variables: RR lyrae
KW - Stars: variables: cepheids
UR - http://www.scopus.com/inward/record.url?scp=84960114249&partnerID=8YFLogxK
U2 - 10.1093/mnrasl/slw002
DO - 10.1093/mnrasl/slw002
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AN - SCOPUS:84960114249
VL - 457
SP - L118-L121
JO - Monthly Notices of the Royal Astronomical Society: Letters
JF - Monthly Notices of the Royal Astronomical Society: Letters
SN - 1745-3925
IS - 1
ER -