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(Abridged) The star-formation rate (SFR) quantitatively describes the star-formation process in galaxies. Current ways to calibrate this rate do not usually employ observational methods accounting for the low-mass end of stellar populations…

Astrophysics of Galaxies · Physics 2023-06-07 K. M. Dutkowska , L. E. Kristensen

We present results on the star-formation rate (SFR) versus stellar mass ($M_*$) relation (i.e., the "main sequence") among star-forming galaxies at 1.37$\leq$$z$$\leq$2.61 using the MOSFIRE Deep Evolution Field (MOSDEF) survey. Based on a…

We use a sample of 43,690 galaxies selected from the Sloan Digital Sky Survey Data Release 4 to study the systematic effects of specific star formation rate (SSFR) and galaxy size (as measured by the half light radius, r_h) on the…

Astrophysics · Physics 2009-11-13 Sara L. Ellison , David R. Patton , Luc Simard , Alan W. McConnachie

Optical spectra of 14 emission-line galaxies representative of the 1999 NICMOS parallel grism Ha survey of McCarthy et al. are presented. Of the 14, 9 have emission lines confirming the redshifts found in the grism survey. The higher…

Observations of local star-forming galaxies (SFGs) show a tight correlation between their singly ionized carbon line luminosity ($L_{\rm [C_{II}]}$) and star formation rate (SFR), suggesting that $L_{\rm [C_{II}]}$ may be a useful SFR…

We present multi-wavelength global star formation rate (SFR) estimates for 326 galaxies from the Star Formation Reference Survey (SFRS) in order to determine the mutual scatter and range of validity of different indicators. The widely used…

Astrophysics of Galaxies · Physics 2018-11-07 Smriti Mahajan , M. L. N. Ashby , S. P. Willner , P. Barmby , G. G. Fazio , A. Maragkoudakis , S. Raychaudhury , A. Zezas

We use Atacama Large Millimeter/submillimeter Array (ALMA) observations of H30$\alpha$ (231.90 GHz) emission from the low metallicity dwarf galaxy NGC 5253 to measure the star formation rate (SFR) within the galaxy and to test the…

Astrophysics of Galaxies · Physics 2017-09-20 G. J. Bendo , R. E. Miura , D. Espada , K. Nakanishi , R. J. Beswick , M. J. D'Cruze , C. Dickinson , G. A. Fuller

We present multi-wavelength imaging and near-IR spectroscopy for ten gravitationally lensed galaxies at 0.9<z<2.5 selected from a new, large sample of strong lens systems in the Sloan Digital Sky Survey (SDSS) DR7. We derive stellar masses…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Eva Wuyts , Jane R. Rigby , Keren Sharon , Michael D. Gladders

We present spectroscopy of 15 star-forming BzK galaxies (sBzKs) with K(AB)<23 in the Subaru Deep Field, for which Halpha and some other emission lines are detected in 0.9 to 2.3 micron spectra with a resolution of R=500. Using Halpha…

We use Spitzer 24 $\mu$m, 70 $\mu$m and ground based H$\alpha$ data for a sample of 40 SINGS galaxies to establish a star formation rate (SFR) indicator using 70 $\mu$m emission for sub--galactic ($\sim0.05-2\ \rm{kpc}$) line-emitting…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Yiming Li , Daniela Calzetti , Robert C. Kennicutt, , Sungryong Hong , Charles W. Engelbracht , Daniel A Dale , John Moustakas

We use a sample of 7 starburst galaxies at intermediate redshifts (z ~ 0.4 and z ~ 0.8) with observations ranging from the observed ultraviolet to 1.4 GHz, to compare the star formation rate (SFR) estimators which are used in the different…

Astrophysics · Physics 2009-11-07 N. Cardiel , D. Elbaz , R. P. Schiavon , C. N. A. Willmer , D. C. Koo , A. C. Phillips , J. Gallego

In this work we study the stellar mass -- metallicity relation (MZR) of an extended sample of star-forming galaxies in the local Universe and its possible dependence with the star formation rate (SFR). A sample of $\sim$195000 Sloan Digital…

We present the star formation rate (SFR) and starburst fraction (SBF) for a sample of field galaxies from the ICBS intermediate-redshift cluster survey. We use [O II] and Spitzer 24 micron fluxes to measure SFRs, and 24 micron fluxes and…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-27 Alan Dressler , Augustus Oemler, , Michael G. Gladders , Lei Bai , Jane R. Rigby , Bianca M. Poggianti

We use the IllustrisTNG cosmological hydrodynamical simulations to study the impact of secondary bias -- specifically, the correlation between star formation rate (SFR) and halo bias at fixed halo mass -- on the line-intensity mapping (LIM)…

Astrophysics of Galaxies · Physics 2025-11-04 Rui Lan Jun , Tom Theuns , Kana Moriwaki , Sownak Bose

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 study the relationship between the [CII] emission and the star formation rate (SFR) in the Galactic plane and separate the relationship of different ISM phases to the SFR. We compare these relationships to those in external galaxies and…

Astrophysics of Galaxies · Physics 2014-11-05 Jorge L. Pineda , William D. Langer , Paul F. Goldsmith

Optical emission-line ratios are traditionally used to estimate gas metallicities from observed galaxy spectra. While such estimators have been calibrated primarily at low redshift, they are commonly used to study high-redshift galaxies,…

Astrophysics of Galaxies · Physics 2023-05-09 Michaela Hirschmann , Stephane Charlot , Rachel S. Somerville

We present a star-formation rate calibration based on optical data that is consistent with average observed rates in both the red and blue galaxy populations at z~1. The motivation for this study is to calculate SFRs for DEEP2 Redshift…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-19 Nick Mostek , Alison L. Coil , John Moustakas , Samir Salim , Benjamin J. Weiner

The Star Formation Rate (SFR) was determined from a sample of 36 late-type galaxies (14 dS and 22 Sm), from the H(alpha) and Far Ultraviolet (FUV) flux. We found that the SFR(FUV) was in most cases higher than the SFR(H(alpha)).We also…

Astrophysics of Galaxies · Physics 2020-04-08 Marco A. Magaña-Serrano , Ana M. Hidalgo-Gámez , Ignacio Vega-Acevedo , Héctor O. Castañeda

Using combinations of H\alpha, ultraviolet (UV), and infrared (IR) emission, we estimate the star formation rate (SFR) surface density, \Sigma_SFR, at 1 kpc resolution for 30 disk galaxies that are targets of the IRAM HERACLES CO survey. We…