HIGH SPATIAL RESOLUTION SPECTROSCOPY OF W51 IRS 2E AND IRS 2W: TWO VERY MASSIVE YOUNG STARS IN EARLY FORMATION STAGES

摘要

We present K-band spectra of the near infrared counterparts to IRS 2E and IRS 2W which is associated with the ultracompact H n region W51d, both of them embedded sources in the Galactic compact H Ⅱ region W51 IRS 2. The high spatial resolution observation