massive star formation
A new hybrid radiative transfer method for massive star formation
... for massive star formation, but the opening of the ionized cavities and the disk photo-evaporation has been shown to occur toward the end of our simulation ( Kuiper & Hosokawa 2018 ...
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Triggered massive-star formation on the borders of Galactic HII regions Evidence for the collect and collapse process around RCW 79
... of massive star formation at the bor- ders of RCW ...of massive-star formation may still be present, represent- ing ideal sites to address the question of massive ...
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The VLT-FLAMES Tarantula Survey. XXIX. Massive star formation in the local 30 Doradus starburst
... complex formation processes of stars in starburst regions across the ...the formation history of massive stars in 30 Dor using masses and ages derived for 452 mainly OB stars from the spectroscopic ...
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Triggered star formation on the borders of the Galactic HII region RCW 120
... no massive star formation has been observed in the direction of these fragments, contrary to what is observed on the borders of Sh 104 and RCW ...IR star forming in this ...
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Characterizing filaments in regions of high-mass star formation: High-resolution submilimeter imaging of the massive star-forming complex NGC 6334 with ArT\'eMiS
... At a distance of ∼1.7 kpc, NGC 6334 is a very ac- tive complex of massive star formation ( Persi & Tapia 2008 ; Russeil et al. 2013 ) with about 150 associated luminous stars of O- to B3-type ( ...
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Global collapse of molecular clouds as a formation mechanism for the most massive stars
... ). Massive IRDCs, such as SDC335, are therefore ideal places to study the earliest stages of high-mass star formation ...) star-forming ...of massive star formation ( Xu ...
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Star clusters
... STAR CLUSTERS Ken Tapping, 6 th December, 2016 If it happens to be clear, these evenings you can see the Pleiades in the eastern ...“open star cluster” – open because its members are spread out and easy to ...
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Multi-scale approach of the formation and evolution of star clusters
... These massive clumps are the key to comparison to the galactic cluster mass ...of massive clumps and have illustrated this with a Salpeter power-law ...fewer massive stars would deplete the clump ...
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Star formation efficiency in extended UV disks and at high redshifts
... • Type II "have bulge colour (FUV-NIR) within an exceptionally large,outer, and optically LSB portion of the disk" (∼10%). • They also consider a mixed-type where some objects possess the two characteristics ...
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Dynamical state and star formation properties of the merging galaxy cluster Abell 3921
... more massive clump A (see ...triggered star- ...older star formation activity which can hardly be related to the on-going merger, but may be understood either as previ- ously infalling ...
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Ionization impact on molecular clouds and star formation Numerical simulations and observations
... that star formation could be triggered by the expansion of H ii regions (for supernova see Ogelman and Maran ( 1976 ) and following ...therefore star formation (the triggering scenarii will be ...
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The relationship between star formation rates and mid-infrared emission in galactic disks
... other star formation estimates in circumnuclear and starburst regions (F¨ orster-Schreiber & Roussel, in preparation), and outline that the relation- ship found here is strictly valid only in disks, and ...
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Testing the universality of the star-formation efficiency in dense molecular gas
... (Lada et al. 2010). Red filled circles indicate the SFR-M dense and SFE – M dense relations obtained for external galaxies (Gao & Solomon 2004b), assuming M dense = α HCN × L HCN with the corrected α HCN values from ...
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Dust properties and star formation of approximately a thousand local galaxies
... ETGs and LTGs having stellar masses spanning across the whole range observed. The U av and “QPAH” fraction show no difference among different galaxy types. When fixing U av to the Galactic value, the derived “QPAH” ...
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A case study of triggered star formation in Cygnus X
... of star for- mation is currently ongoing inside the cold ...the formation of stars inside the region, we examine the timescales for star formation to be triggered within the cometary ...the ...
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Formation of stars and star clusters in colliding galaxies
... by the interaction of two galaxies (see review by Sanders & Mirabel 1996 ). At low redshift, all ULIRGs are merging systems (while the inverse is not true). Since LIRGs are found to domi- nate the IR-emitting galaxy ...
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A statistical and multi-wavelength study of star formation in galaxies
... whose star formation rates are different from that of other galax- ies with otherwise similar properties observed at the same epoch in the history of the ...of star formation could be rare, in ...
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Cannibal star?
... Betelgeux is spinning too quickly. One explanation is that it once had a companion star, which it swallowed. When Betelgeux expanded and produced its strong wind, the companion will have had to fight its way ...
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The binary companion mass ratio distribution: an imprint of the star formation process?
... In our first simulation, we placed 750 binary systems with a field-like separation distribution in a cool, clumpy star cluster. Such clusters violently relax during their collapse to a centrally concen- trated, ...
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Constraints on feedback models in galaxy formation from their density slope, mass-size and star formation efficiency in EAGLE
... cosmic star formation history of the Universe and the galaxy stellar mass func- ...galaxy formation scenarios empowers us to systematically explore the impact of varying feed- back prescriptions on ...
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