MOA-2010-BLG-523：“失败的行星”即 RS CVn 型恒星
太阳与恒星天体物理
2015-06-11 v2 地球与行星天体物理
摘要
银河系核球源 MOA-2010-BLG-523S 在一个 的高放大倍率微引力透镜事件的峰值附近，表现出偏离标准微引力透镜光曲线的短期偏差。这些偏差最初看来符合主透镜存在行星伴星的预期。我们结合了长期光度监测与先前发表的在峰值附近获取的高分辨率光谱，证明这是一颗 RS CVn 型变星，因此无需行星微引力透镜来解释光曲线偏差。这是在银河系核球中通过光谱确认发现的首颗 RS CVn 型恒星。
引用
@article{arxiv.1210.6045,
title = {MOA-2010-BLG-523: "Failed Planet" = RS CVn Star},
author = {A. Gould and J. C. Yee and I. A. Bond and A. Udalski and C. Han and U. G. Jorgensen and J. Greenhill and Y. Tsapras and M. H. Pinsonneault and T. Bensby and W. Allen and L. A. Almeida and M. Bos and G. W. Christie and D. L. DePoy and Subo Dong and B. S. Gaudi and L. -W. Hung and F. Jablonski and C. -U. Lee and J. McCormick and D. Moorhouse and J. A. Munoz and T. Natusch and M. Nola and R. W. Pogge 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 K. A. Alsubai and V. Bozza and P. Browne and M. J. Burgdorf and S. Calchi Novati and P. Dodds and M. Dominik and F. Finet and T. Gerner and S. Hardis and K. Harpsoe and F. V. Hessman and T. C. Hinse and M. Hundertmark 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. Wambsganss and R. A. Street and K. Horne and D. M. Bramich and I. A. Steele and M. D. Albrow 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 P. Fouque 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 J. van Saders and M. Zub},
journal= {arXiv preprint arXiv:1210.6045},
year = {2015}
}
备注
29 pp, 6 figs, submitted to ApJ