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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/50701


    Title: Cepheid period-luminosity relation from the AKARI observations
    Authors: Ngeow,CC;Ita,Y;Kanbur,SM;Neilson,H;Onaka,T;Kato,D
    Contributors: 天文研究所
    Keywords: LARGE-MAGELLANIC-CLOUD;FUNDAMENTAL-MODE CEPHEIDS;TESTING MASS-LOSS;ALL-SKY SURVEY;CLASSICAL CEPHEIDS;GALACTIC CEPHEIDS;RADIUS RELATION;LEAVITT LAW;LMC DATA;CATALOG
    Date: 2010
    Issue Date: 2012-03-27 18:08:14 (UTC+8)
    Publisher: 國立中央大學
    Abstract: In this paper, we derive the period-luminosity (P-L) relation for Large Magellanic Cloud (LMC) Cepheids based on mid-infrared AKARI observations. AKARI's Infrared Camera sources were matched to the Optical Gravitational Lensing Experiment-III (OGLE-III) LMC Cepheid catalogue. Together with the available I-band light curves from the OGLE-III catalogue, potential false matches were removed from the sample. This procedure excluded most of the sources in the S7 and S11 bands; hence, only the P-L relation in the N3 band is derived in this paper. Random-phase corrections were included in deriving the P-L relation for the single-epoch AKARI data; even though the derived P-L relation is consistent with the P-L relation without random-phase correction, however there is an similar to 7 per cent improvement in the dispersion of the P-L relation. The final adopted N3-band P-L relation is N3 = -3.246 log(P) + 15.844, with a dispersion of 0.149.
    Relation: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
    Appears in Collections:[天文研究所] 期刊論文

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