منابع مشابه
Multiplicity in Early Stellar Evolution
Many reviews have been written on pre-main-sequence binaries over the past 25 years, e.g., Reipurth (1988), Zinnecker (1989), Mathieu (1994), and Goodwin (2010), and particular mention should be made of IAU Symposium No. 200 (Zinnecker and Mathieu, 2001), which is still today a useful reference. Most recently, Duchêne and Kraus (2013) review the binarity for stars of all masses and ages. Stimul...
متن کاملLimits on the primordial stellar multiplicity
Most stars especially young stars are observed to be in multiple systems. Dynamical evolution is unable to pair stars efficiently, which leads to the conclusion that star-forming cores must usually fragment into ≥ 2 stars. However, the dynamical decay of systems with ≥ 3 or 4 stars would result in a large single-star population that is not seen in the young stellar population. Additionally, eje...
متن کاملStellar Multiplicity and the Imf: Most Stars Are Single
In this short communication I compare recent findings suggesting a low binary star fraction for late type stars with knowledge concerning the forms of the stellar initial and present day mass functions for masses down to the hydrogen burning limit. This comparison indicates that most stellar systems formed in the Galaxy are likely single and not binary as has been often asserted. Indeed, in the...
متن کاملMultiplicity at the Stellar/substellar Boundary in Upper Scorpius
We present the results of a high-resolution imaging survey of 12 brown dwarfs and very low mass stars in the closest (∼145 pc) young (∼5 Myr) OB association, Upper Scorpius. We obtained images with the Advanced Camera for Surveys/High Resolution Camera on HST through the F555W (V ), F775W (i), and F850LP (z) filters. This survey discovered three new binary systems, including one marginally reso...
متن کاملStellar Multiplicity and the Imf: Most Stars Are Single Born
In this short communication I compare recent findings suggesting a low binary star fraction for late type stars with knowledge concerning the forms of the stellar initial and present day mass functions for masses down to the hydrogen burning limit. This comparison indicates that most stellar systems formed in the galaxy are likely single and not binary as has been often asserted. Indeed, in the...
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ژورنال
عنوان ژورنال: Annual Review of Astronomy and Astrophysics
سال: 2013
ISSN: 0066-4146,1545-4282
DOI: 10.1146/annurev-astro-081710-102602