Matches in SemOpenAlex for { <https://semopenalex.org/work/W4296641380> ?p ?o ?g. }
- W4296641380 endingPage "154" @default.
- W4296641380 startingPage "154" @default.
- W4296641380 abstract "We present the first gri-band period-luminosity (PL) and period-Wesenheit (PW) relations for 37 Type II Cepheids (hereafter TIIC) located in 18 globular clusters based on photometric data from the Zwicky Transient Facility. We also updated BV IJHK-band absolute magnitudes for 58 TIIC in 24 globular clusters using the latest homogeneous distances to the globular clusters. The slopes of g/r/i and B/V/I band PL relations are found to be statistically consistent when using the same sample of distance and reddening. We employed the calibration of ri-band PL/PW relations in globular clusters to estimate a distance to M31 based on a sample of ~270 TIIC from the PAndromeda project. The distance modulus to M31, obtained using calibrated ri-band PW relation, agrees well with the recent determination based on classical Cepheids. However, distance moduli derived using the calibrated r- and i-band PL relations are systematically smaller by ~0.2 mag, suggesting there are possible additional systematic error on the PL relations. Finally, we also derive the period-color (PC) relations and for the first time the period-Q-index (PQ) relations, where the Q-index is reddening-free, for our sample of TIIC. The PC relations based on (r-i) and near-infrared colors and the PQ relations are found to be relatively independent of the pulsation periods." @default.
- W4296641380 created "2022-09-23" @default.
- W4296641380 creator A5023053944 @default.
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- W4296641380 creator A5084379343 @default.
- W4296641380 date "2022-09-22" @default.
- W4296641380 modified "2023-09-30" @default.
- W4296641380 title "Zwicky Transient Facility and Globular Clusters: The Period–Luminosity and Period–Wesenheit Relations for Type II Cepheids" @default.
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- W4296641380 doi "https://doi.org/10.3847/1538-3881/ac87a4" @default.