| 7 | Near-infrared imaging survey of faint companions around young dwarfs in the Pleiades cluster显示文摘We conducted a near-infrared imaging survey of 11 young dwarfs in the Pleiades cluster using the Subaru Telescope and the near-infrared coronagraph imager. We found ten faint point sources,with magnitudes as faint as 20 mag in the K-band,with around seven dwarfs.Comparison with the Spitzer archive images revealed that a pair of the faint sources around V 1171 Tau is very red in infrared wavelengths,which indicates very low-mass young stellar objects.However,the results of our follow-up proper motion measurements implied that the central star and the faint sources do not share common proper motions,suggesting that they are not physically associated. | Yoichi Itoh Yumiko Oasa Hitoshi Funayama Masahiko Hayashi Misato Fukagawa Toshio Hashiguchi Thayne Currie | 2011 | Research in Astronomy and Astrophysics2011，11，3： | 0 |
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