MOA-2010-BLG-311：低于可靠探测阈值的行星候选体
地球与行星天体物理
2015-06-11 v3
摘要
我们分析了 MOA-2010-BLG-311，这是一个高放大倍率 () 的微引力透镜事件，其在峰值期间拥有完整的数据覆盖，使其对行星信号非常敏感。我们分别用单透镜模型和双体透镜模型拟合了该事件，发现双体透镜模型拟合效果更好，但 仅约为 80。透镜恒星与其伴星之间的首选质量比为 ，将该候选伴星置于行星范畴。尽管该行星具有形式上的显著性，但我们表明，由于数据中的系统误差，关于透镜存在行星伴星的证据过于微弱，不足以宣称实现了可靠探测。结合对其他高放大倍率事件的分析，该事件有助于从经验上定义高放大倍率事件中可靠行星探测的阈值，而这仍然是一个悬而未决的问题。
引用
@article{arxiv.1210.6041,
title = {MOA-2010-BLG-311: A planetary candidate below the threshold of reliable detection},
author = {J. C. Yee and L. -W. Hung and I. A. Bond and W. Allen and L. A. G. Monard and M. D. Albrow and P. Fouque and M. Dominik and Y. Tsapras and A. Udalski and A. Gould and R. Zellem and M. Bos and G. W. Christie and D. L. DePoy and Subo Dong and J. Drummond and B. S. Gaudi and E. Gorbikov and C. Han and S. Kaspi and N. Klein and C. -U. Lee and D. Maoz and J. McCormick and D. Moorhouse and T. Natusch and M. Nola and B. -G. Park and R. W. Pogge and D. Polishook and A. Shporer and Y. Shvartzvald and J. Skowron and G. Thornley and F. Abe and D. P. Bennett and C. S. Botzler and P. Chote and M. Freeman and A. Fukui and K. Furusawa and P. Harris and Y. Itow and C. H. Ling and K. Masuda and Y. Matsubara and N. Miyake and K. Ohnishi and N. J. Rattenbury and To. Saito and D. J. Sullivan and T. Sumi and D. Suzuki and W. L. Sweatman and P. J. Tristram and K. Wada and P. C. M. Yock and M. K. Szymanski and I. Soszynski and M. Kubiak and R. Poleski and K. Ulaczyk and G. Pietrzynski and L. Wyrzykowski and E. Bachelet and V. Batista and T. G. Beatty and J. -P. Beaulieu and C. S. Bennett and R. Bowens-Rubin and S. Brillant and J. A. R. Caldwell and A. Cassan and A. A. Cole and E. Corrales and C. Coutures and S. Dieters and D. Dominis Prester and J. Donatowicz and J. Greenhill and C. B. Henderson and D. Kubas and J. -B. Marquette and R. Martin and J. W. Menzies and B. Shappee and A. Williams and D. Wouters and J. van Saders and M. Zub and R. A. Street and K. Horne and D. M. Bramich and I. A. Steele and K. A. Alsubai and V. Bozza and P. Browne and M. J. Burgdorf and S. Calchi Novati and P. Dodds and F. Finet and T. Gerner and S. Hardis and K. Harpsoe and F. V. Hessman and T. C. Hinse and M. Hundertmark and U. G. Jorgensen and N. Kains and E. Kerins and C. Liebig and L. Mancini and M. Mathiasen and M. T. Penny and S. Proft and S. Rahvar and D. Ricci and K. C. Sahu and G. Scarpetta and S. Schafer and F. Schonebeck and C. Snodgrass and J. Southworth and J. Surdej and J. Wambsgans},
journal= {arXiv preprint arXiv:1210.6041},
year = {2015}
}
备注
29 pages, 6 Figures, 3 Tables. For a brief video presentation on this paper, please see http://www.youtube.com/user/OSUAstronomy 10/25/2012 - Updated author list. Replaced 10/10/13 to reflect the version published in ApJ