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Star-formation rate

Quenching or Bursting:the Role of Stellar Mass, Environment, and Specific Star Formation Rate to z ~ 1

Quenching or Bursting:the Role of Stellar Mass, Environment, and Specific Star Formation Rate to z ~ 1

... as, star- formation rate (SFR), stellar mass, and other parame- ters including the instantaneous time derivative of the star formation rate that we denote as the Star ...

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ALMA and Herschel reveal that AGN and main-sequence galaxies have different star formation rate distributions

ALMA and Herschel reveal that AGN and main-sequence galaxies have different star formation rate distributions

... Using deep Herschel and ALMA observations, we investigate the star formation rate (SFR) distributions of X-ray AGN host galaxies at 0.5 < z < 1.5 and 1.5 < z < 4, comparing them to that ...

7

The star formation rate of the Universe atz≈ 6 from the Hubble ultra Deep Field

The star formation rate of the Universe atz≈ 6 from the Hubble ultra Deep Field

... We determine the abundance of i -band dropouts in the recently released HST/ACS Hubble Ultra-Deep Field (UDF). Because the majority of these sources are likely to be z ≈ 6 galaxies whose flux decrement between the F775W ...

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Influence of Supernova SN Ia Rate and the Early Star Formation Rate on the Galactic Chemical Evolution

Influence of Supernova SN Ia Rate and the Early Star Formation Rate on the Galactic Chemical Evolution

... enhanced star formation rate in the initial 1 ...the star formation ...enhanced star formation rate in the earliest epoch of the ...

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Lyman break galaxies and the star formation rate of the Universe at z ~ 6

Lyman break galaxies and the star formation rate of the Universe at z ~ 6

... volume-averaged star formation density, the value quoted above should be considered a firm lower limit rather than an absolute ...integrated star formation rate and associated ...

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An empirical model for the galaxy luminosity and star formation rate function at high redshift

An empirical model for the galaxy luminosity and star formation rate function at high redshift

... The analysis and extrapolation of the UV luminosity function evolution towards higher ( z ≈ 8) redshifts has been the focus of several past studies, in the form of both hydrodynamical simulations (e.g. Nagamine et al. ...

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Historical Note: N C Rana: Life and His Contributions in Astrophysical Science

Historical Note: N C Rana: Life and His Contributions in Astrophysical Science

... the star formation rate was nearly constant. By assuming a star formation rate () of the form  ∑αg zβ, the authors first investigated the solar neighbourhood and then extended ...

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The photometric properties of galaxies in the early Universe

The photometric properties of galaxies in the early Universe

... UV star formation rate calibrations, intrinsic UV continuum slopes, and Lyman continuum (LyC) photon production efficien- cies] of very high redshift (z > 8) galaxies using the B LUE T IDES cos- ...

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The causes of the red sequence, the blue cloud, the green valley, and the green mountain

The causes of the red sequence, the blue cloud, the green valley, and the green mountain

... specific star formation rate (star forma- tion rate divided by stellar mass, SSFR), with red colours indicating the opposite, and absolute magnitude being approximately propor- tional ...

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Radial distribution of dust, stars, gas, and star formation rate in DustPedia face on galaxies

Radial distribution of dust, stars, gas, and star formation rate in DustPedia face on galaxies

... galaxy formation scenario that is used to explain, together with dust ex- tinction, the larger scale-lengths of radiation from the younger stellar component (Muñoz-Mateos et ...

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SDSS IV MaNGA IFS Galaxy Survey   survey design, execution, and initial data quality

SDSS IV MaNGA IFS Galaxy Survey survey design, execution, and initial data quality

... total star formation rate in a galaxy, one either has to ap- ply large aperture corrections to the spectroscopically- derived star formation rate based on the central region ...

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GAMA/H ATLAS: common star formation rate indicators and their dependence on galaxy physical parameters

GAMA/H ATLAS: common star formation rate indicators and their dependence on galaxy physical parameters

... normal star-forming galaxies, differing in the slope of the power-law distribution of dust mass and dust emissivity as a function of the radiation field ...normal star-forming galaxies, which are ...

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A remarkably flat relationship between the average star formation rate and AGN luminosity for distant X-ray AGN

A remarkably flat relationship between the average star formation rate and AGN luminosity for distant X-ray AGN

... Here, we explore whether X-ray AGN have SFRs that are consistent with being selected from the overall star-forming galaxy population. We compare the average SFRs of the AGN to the observed rela- tionship between ...

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Rapidly growing black holes and host galaxies in the distant universe from the Herschel Radio Galaxy Evolution Project

Rapidly growing black holes and host galaxies in the distant universe from the Herschel Radio Galaxy Evolution Project

... Interestingly, the expected correlation between AGN ac- tivity and star formation rate (SFR) is not obvious in ob- servations, both locally and at high-redshift (e.g. Netzer 2009; Hatziminaoglou et ...

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Star Formation Law at Sub kpc Scale in the Elliptical Galaxy Centaurus A as Seen by ALMA

Star Formation Law at Sub kpc Scale in the Elliptical Galaxy Centaurus A as Seen by ALMA

... between star formation rate surface density (∑ SFR) and molecular gas surface density (∑ H 2 ) at sub-kpc scale in the elliptical galaxy Centaurus A (also known as NGC 5128) at the distance ...in ...

9

The Milky Way as a Star Formation Engine

The Milky Way as a Star Formation Engine

... Star formation can be triggered by dynamical processes such as protostellar outflows, FUV-driven bubbles, expan- sion of H II regions, supernova remnants, superbubbles, ...the star formation ...

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An ALMA survey of the SCUBA 2 Cosmology Legacy Survey UKIDSS/UDS Field: identifying candidate z∼4 5[CII] emitters

An ALMA survey of the SCUBA 2 Cosmology Legacy Survey UKIDSS/UDS Field: identifying candidate z∼4 5[CII] emitters

... the star formation rate of the ...higher star formation ef fi ciencies in z  4 SMGs ( which may have shorter dynamical times than SMGs at z ; 2 ) may result in the warmer dust ...

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Stellar population effects on the inferred photon density at reionization

Stellar population effects on the inferred photon density at reionization

... in star formation history, they are indicative of the differences in behaviour between different ...the star formation rate would likely be inferred from a combination of that, ...

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Galaxy Formation and Chemical Evolution

Galaxy Formation and Chemical Evolution

... The star formation rate in the present work was estimated on the basis of the prevailing total surface and gas baryonic matter density of the galaxy [4] [5] [10] ...the star formation ...

9

Physical properties of local star forming analogues toz∼ 5 Lyman break galaxies

Physical properties of local star forming analogues toz∼ 5 Lyman break galaxies

... specific star formation rate of our sample in comparison to more typical galaxy popula- tions as a function of ...mature star formation component which would be measured in the ...

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