Outline 1.Introduction.2.Observations and Data 3.Dust Properties At Extreme Low Metallicity.(Lu,W.et al.) 4.Star Formation At Extreme Low Metallicity.(Shi,Y.et
Outline Introduction Star formation in Orion Molecular Cloud (OMC):Observation:CARMA observation of the unstable Orion cores Results Density profile:extremely h
Monoceros Nebula Data Lamost-xuyi APOGEE Data Selection Condition:σJHKs<0.05,σTeff<300 K,σlogg<0.5,For Main-sequences:Teff∈[3500,8000],log g >4.0,Z>-0.5,|b|<10.0