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Related papers: Dust and Nebular Emission. I. Models for Normal Ga…

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We have derived the dust emissivity in the Far-Infrared (FIR) using data available in the literature. We use two wavelength dependences derived from spectra of Galactic FIR emission (Reach et al. 1995). A value for the emissivity,…

Astrophysics · Physics 2007-05-23 Simone Bianchi , Jonathan I. Davies , Paul B. Alton

Accounting for nebular emission when modeling galaxy spectral energy distributions (SEDs) is important, as both line and continuum emission can contribute significantly to the total observed flux. In this work, we present a new nebular…

Astrophysics of Galaxies · Physics 2017-05-10 Nell Byler , Julianne J. Dalcanton , Charlie Conroy , Benjamin D. Johnson

JWST has enabled the detection of the UV continuum of galaxies at z>10, evidencing a population of extremely blue, potentially dust-free galaxies. Interpreting the UV spectra of galaxies as they redden is complicated by the well-known…

We present the results of a multiwavelength study of nearby galaxies, aimed at understanding the relation between the ultraviolet and far-infrared emission in star-forming galaxies. The dataset comprises new ultraviolet (from HST/STIS),…

(Abridged) In this paper, we use the Tuffs et al. attenuation - inclination models in ultraviolet (UV), optical, and near-infrared (NIR) bands to investigate the average global dust properties in galaxies as a function of stellar mass…

Astrophysics of Galaxies · Physics 2022-06-14 S. A. van der Giessen , S. K. Leslie , B. Groves , J. A. Hodge , C. C. Popescu , M. T. Sargent , E. Schinnerer , R. J. Tuffs

[Abridged] We compare H-alpha, ultraviolet (UV) and infrared (IR) indicators of star formation rate (SFR) for a sample of z = 0.84 galaxies from the High-z Emission Line Survey (HiZELS). Using multi-wavelength diagnostics, we estimate that…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Timothy Garn , David Sobral , Philip N. Best , James E. Geach , Ian Smail , Michele Cirasuolo , Gavin B. Dalton , James S. Dunlop , Ross J. McLure , Duncan Farrah

We seek to derive star formation rates (SFR) and stellar masses (M_star) in distant galaxies and to quantify the main uncertainties affecting their measurement. We explore the impact of the assumptions made in their derivation with standard…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 V. Buat , S. Heinis , M. Boquien , D. Burgarella , V. Charmandaris , S. Boissier , A. Boselli , D. Le Borgne , G. Morrison

We use \Pab\ (1282~nm) observations from the Hubble Space Telescope ($\HST$) G141 grism to study the star-formation and dust attenuation properties of a sample of 29 low-redshift ($z < 0.287$) galaxies in the CANDELS Ly$\alpha$ Emission at…

The star formation rate is a crucial astrophysical tracer for understanding the formation and evolution of galaxies, determining the interaction between interstellar medium properties and star formation, thereby inferring the evolutionary…

Astrophysics of Galaxies · Physics 2025-03-05 Yaosong Yu , Qihang Chen , Liang Jing , Ciro Pappalardo , Henrique Miranda

We present new Halpha+[NII] imaging data of late-type galaxies in the Herschel Reference Survey aimed at studying the star formation properties of a K-band-selected, volume-limited sample of nearby galaxies. The Halpha+[NII] data are…

Astrophysics of Galaxies · Physics 2015-07-08 A. Boselli , M. Fossati , G. Gavazzi , L. Ciesla , V. Buat , S. Boissier , T. Hughes

Infrared (IR) luminosity of galaxies originating from dust emission can be used as an indicator of the star formation rate (SFR). Inoue et al. (2000, IHK) have derived a formula for the conversion from IR luminosity to SFR by using the…

Astrophysics · Physics 2009-11-10 Hiroyuki Hirashita , Veronique Buat , Akio K. Inoue

We investigate the nebular emission produced by young stellar populations using the new GALSEVN model based on the combination of the SEVN population-synthesis code including binary-star processes and the GALAXEV code for the spectral…

Astrophysics of Galaxies · Physics 2023-12-15 M. Lecroq , S. Charlot , A. Bressan , G. Bruzual , G. Costa , G. Iorio , M. Spera , M. Mapelli , Y. Chen , J. Chevallard , M. Dall'Amico

We present a systematic study of the shape of the dust attenuation curve in star-forming galaxies from the far ultraviolet to the near infrared (0.15-2microns), as a function of specific star formation rate (sSFR) and axis ratio (b/a), for…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Vivienne Wild , Stephane Charlot , Jarle Brinchmann , Timothy Heckman , Oliver Vince , Camilla Pacifici , Jacopo Chevallard

We present results of a multi-band Spectral Energy Distribution (SED) and nebular emission line analysis of a sample of 1147 spectroscopically identified dusty star-forming galaxies at 0.49 < z < 2.24 from Herschel/SPIRE and HST/WFC3 grism…

Astrophysics of Galaxies · Physics 2018-10-24 Farhanul Hasan , Hooshang Nayyeri , Asantha C. Cooray

We investigate the star formation and dust extinction properties of very luminous infrared galaxies whose spectra display a strong Hdelta line in absorption and a moderate [OII] emission (e[a] spectrum). This spectral combination has been…

Astrophysics · Physics 2009-10-31 Bianca M. Poggianti , Alessandro Bressan , Alberto Franceschini

We investigate resolved kpc-scale stellar and nebular dust distribution in eight star-forming galaxies at z~0.4 in the GOODS fields. Constructing the observed Spectral Energy Distributions (SEDs) per pixel, based on seven bands photometric…

Astrophysics of Galaxies · Physics 2015-10-12 Shoubaneh Hemmati , Bahram Mobasher , Behnam Darvish , Hooshang Nayyeri , David Sobral , Sarah Miller

Optical nebular emission lines are commonly used to estimate the star formation rate of galaxies and the black hole accretion rate of their central active nucleus. The accuracy of the conversion from line strengths to physical properties…

We study star formation rate (SFR) indicators and dust attenuation of 74 nearby star-forming galaxies on kiloparsec scales, based on GALEX far-ultraviolet (FUV) and WISE mid-infrared (MIR) images with CALIFA optical integral field…

Astrophysics of Galaxies · Physics 2025-04-29 Jong Chul Lee , Joon Hyeop Lee , Hyunjin Jeong , Mina Pak , Sree Oh

By combining optical and near-IR observations from the Hubble Space Telescope with NIR photometry from the Spitzer Space Telescope it is possible to measure the rest-frame UV-optical colours of galaxies at z=4-8. The UV-optical spectral…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Stephen M. Wilkins , William Coulton , Joseph Caruana , Rupert Croft , Tiziana Di Matteo , Nishikanta Khandai , Yu Feng , Andrew Bunker , Holly Elbert

Using a sample of galaxies from the Sloan Digital Sky Survey spectroscopic catalog with measured star-formation rates (SFRs) and ultraviolet (UV) photometry from the GALEX Medium Imaging Survey, we derived empirical linear correlations…