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Implications for the star forming p ro cess

Structure in Star Forming Regions

Structure in Star Forming Regions

... In the limit of N n → N the underlying distribution is a complete graph i.e. each point is connected to every other point and C tends to unity. On the opposite extreme are the triangle-free graphs; trivially, C = 0 for N ...

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Variations in the slope of the resolved star-forming main sequence: a tool for constraining the mass of star-forming regions

Variations in the slope of the resolved star-forming main sequence: a tool for constraining the mass of star-forming regions

... ). Star formation rate surface density, and stellar mass surface density maps were generated for the FIRE-2 galax- ies with z ...our star formation rate tracers to be affected by Poisson statistics ...young ...

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Dynamical evolution of star-forming regions

Dynamical evolution of star-forming regions

... 3 Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, UK Accepted 2013 November 14. Received 2013 November 14; in original form 2013 September 5 ABSTRACT We model the dynamical evolution of ...

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The main sequence of the

star forming galaxies

The main sequence of the star forming galaxies

... 1.2 The Star Formation Rate The star formation rate is the total mass of stars formed per year, often given as solar masses per year. The usual way to estimate such a rate is to derive it from monochromatic ...

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Star-forming galaxies at the Cosmic Dawn

Star-forming galaxies at the Cosmic Dawn

... Measure Star Formation Rates in z ∼ 4 Galaxies: Understanding the Origin of High-EW Nebular Emission Lines We take advantage of a large spectroscopic and photometric-redshift-selected sample of sources at z = ...

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Cepheus Star Forming Field Revisited

Cepheus Star Forming Field Revisited

... O7Vn star HD 217086 (LID 900020041) is thought to be the ioniz- ing star of Sh ...this star, which is twice less than the one based on the CaII HK lines (1688 pc, Megier et ...

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The cosmic evolution of star-forming galaxies

The cosmic evolution of star-forming galaxies

... Chapter 1 Cosmic Rays and Magnetic Fields Cosmic rays are high energy charged particles, mostly protons but also electrons and ions, and they provide an important heating and ionizing source in the ISM. Most of their ...

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Star-forming protoclusters associated with methanol masers

Star-forming protoclusters associated with methanol masers

... This paper is devoted to a multiwavelength study of five radio-quiet methanol maser sites and their environments, which are particularly good candidates for hosting a massive proto- star (Minier et al. 2000, ...

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The production of magnetically dominated star-forming regions

The production of magnetically dominated star-forming regions

... ABSTRACT We consider the dynamical evolution of an interstellar cloud that is initially in thermal equilibrium in the warm phase and is then subjected to a sudden increase in the pressure of its surroundings. We find ...

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CiteSeerX — The Dust Opacity of Star-Forming Galaxies

CiteSeerX — The Dust Opacity of Star-Forming Galaxies

... Presence of dust in galaxies removes half or more of the stellar energy from the UV– optical budget of the Universe and has profound impact on our understanding of how galaxies evolve. Measures of opacity in local ...

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Molecular Outflows in Massive Star Forming Regions

Molecular Outflows in Massive Star Forming Regions

... the SiO luminosity are presented in Figure 2.7. The H 13 CO + FWHM displays the strongest correlation (R=0.75) with the SiO luminosity. As the CO linewidth was used in several sources to integrate the SiO emission, a ...

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Dusty star forming galaxies at high redshift

Dusty star forming galaxies at high redshift

... global star formation rate in high redshift galaxies, based on optical surveys, shows a strong peak at a redshift of z ∼ ...by star formation, then each must be converting more than 100 solar masses of gas ...

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Diagnostics for mechanical heating in star-forming galaxies

Diagnostics for mechanical heating in star-forming galaxies

... II Diagnostics of the Molecular Component of PDRs with Mechanical Heating Multitransition CO observations of galaxy centers have revealed that significant fractions of the dense circumnuclear gas have high kinetic ...

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The evolution of massive clumps in star forming regions

The evolution of massive clumps in star forming regions

... NGC 6357 is a complex of Hii regions and molecular clouds that form a very active star-forming region in the Sagittarius spiral arm. Optical, radio, and infrared (IR) images of NGC 6357 confirm that it ...

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The physical and chemical evolution of star forming regions

The physical and chemical evolution of star forming regions

... of star form ation, m aking th e in terp retatio n of spectral signatures of collapse an area full of ...in star forming ...in star forming ...

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Shedding light on the lives of star forming galaxies

Shedding light on the lives of star forming galaxies

... its star formation are revealed at different wavelengths, but galaxies at different redshifts are only accessible at different wavelengths, a problem further exacerbated by the narrow range in wavelengths ...

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Testing the universality of star formation - I. Multiplicity in nearby star-forming regions

Testing the universality of star formation - I. Multiplicity in nearby star-forming regions

... Table 2 lists the maximum contrast ratio for each survey in the passband employed, while Fig. 1 shows how these vary with phys- ical projected distance from the primary star. For simplicity, we aimed to use only ...

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Cold gas kinematics of star forming galaxies at high-z cluster forming epoch

Cold gas kinematics of star forming galaxies at high-z cluster forming epoch

... • Not for immature cluster cases, i.e., protoclusters (z>2) and those on the MS galaxies • only handful cases of starburst galaxies (i.e., above the MS (SFR-Mstar) relation) • But t[r] ...

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Chemical evolution of star-forming galaxies in the overdense environment

Chemical evolution of star-forming galaxies in the overdense environment

... in star formation as the galaxy consumes its existing cold gas reser- voir (strangulation, Larson et ...the star-forming galaxies in the inner regions, which have undergone more cycles of star ...

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Water in low-mass star-forming regions with Herschel

Water in low-mass star-forming regions with Herschel

... thus, only dependent on the column density along the line-of- sight), the spectrally resolved water vapour lines allow us to model the underlying number density and velocity profile of the envelope. Due to the large beam ...

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