MOA-2013-BLG-220Lb: Massive Planetary Companion to Galactic-disk Host

Yee, J. C.; Han, C.; Gould, A.; Skowron, J.; Bond, I. A.; Udalski, A.; Hundertmark, M.; Monard, L. A. G.; Porritt, I.; Nelson, P.; Bozza, Valerio; Albrow, M. D.; Choi, J. Y.; Christie, G. W.; DePoy, D. L.; Gaudi, B. S.; Hwang, K. H.; Jung, Y. K.; Lee, C. U.; McCormick, J.; Natusch, T.; Ngan, H.; Park, H.; Pogge, R. W.; Shin, I. G.; Tan, T. G.; Abe, F.; Bennett, D. P.; Botzler, C. S.; Freeman, M.; Fukui, A.; Fukunaga, D.; Itow, Y.; Koshimoto, N.; Larsen, P.; Ling, C. H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Namba, S.; Ohnishi, K.; Philpott, L.; Rattenbury, N. J.; Saito, T. o.; Sullivan, D. J.; Sumi, T.; Sweatman, W. L.; Suzuki, D.; Tristram, P. J.; Tsurumi, N.; Wada, K.; Yamai, N.; Yock, P. C. M.; Yonehara, A.; Szymanski, M. K.; Ulaczyk, K.; Kozlowski, S.; Poleski, R.; Wyrzykowski, L.; Kubiak, M.; Pietrukowicz, P.; Pietrzynski, G.; Soszynski, I.; Bramich, D. M.; Browne, P.; Figuera Jaimes, R.; Horne, K.; Ipatov, S.; Kains, N.; Snodgrass, C.; Steele, I. A.; Street, R.; Tsapras, Y.

doi:10.1088/0004-637X/790/1/14

We report the discovery of MOA-2013-BLG-220Lb, which has a super-Jupiter mass ratio q = 3.01 ± 0.02 × 10-3 relative to its host. The proper motion, mu = 12.5 ± 1 mas yr-1, is one of the highest for microlensing planets yet discovered, implying that it will be possible to separately resolve the host within ~7 yr. Two separate lines of evidence imply that the planet and host are in the Galactic disk. The planet could have been detected and characterized purely with follow-up data, which has important implications for microlensing surveys, both current and into the Large Synoptic Survey Telescope (LSST) era.

Titolo:	MOA-2013-BLG-220Lb: Massive Planetary Companion to Galactic-disk Host
Autori:	Yee, J. C. Han, C. Gould, A. Skowron, J. Bond, I. A. Udalski, A. Hundertmark, M. Monard, L. A. G. Porritt, I. Nelson, P. BOZZA, Valerio Albrow, M. D. Choi, J. Y. Christie, G. W. DePoy, D. L. Gaudi, B. S. Hwang, K. H. Jung, Y. K. Lee, C. U. McCormick, J. Natusch, T. Ngan, H. Park, H. Pogge, R. W. Shin, I. G. Tan, T. G. Abe, F. Bennett, D. P. Botzler, C. S. Freeman, M. Fukui, A. Fukunaga, D. Itow, Y. Koshimoto, N. Larsen, P. Ling, C. H. Masuda, K. Matsubara, Y. Muraki, Y. Namba, S. Ohnishi, K. Philpott, L. Rattenbury, N. J. Saito, T.o. Sullivan, D. J. Sumi, T. Sweatman, W. L. Suzuki, D. Tristram, P. J. Tsurumi, N. Wada, K. Yamai, N. Yock, P. C. M. Yonehara, A. Szymanski, M. K. Ulaczyk, K. Kozlowski, S. Poleski, R. Wyrzykowski, L. Kubiak, M. Pietrukowicz, P. Pietrzynski, G. Soszynski, I. Bramich, D. M. Browne, P. Figuera Jaimes, R. Horne, K. Ipatov, S. Kains, N. Snodgrass, C. Steele, I. A. Street, R. Tsapras, Y. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2014
Rivista:	THE ASTROPHYSICAL JOURNAL
Abstract:	We report the discovery of MOA-2013-BLG-220Lb, which has a super-Jupiter mass ratio q = 3.01 ± 0.02 × 10-3 relative to its host. The proper motion, mu = 12.5 ± 1 mas yr-1, is one of the highest for microlensing planets yet discovered, implying that it will be possible to separately resolve the host within ~7 yr. Two separate lines of evidence imply that the planet and host are in the Galactic disk. The planet could have been detected and characterized purely with follow-up data, which has important implications for microlensing surveys, both current and into the Large Synoptic Survey Telescope (LSST) era.
Handle:	http://hdl.handle.net/11386/4520057
Appare nelle tipologie:	1.1.1 Articolo su rivista con DOI

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