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相关论文: Predicting CO and dust emission of star-forming ga…

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Correlations between the radio continuum, infrared and CO emission are known to exist for several types of galaxies and across several orders of magnitude. However, the low-mass, low-luminosity and low-metallicity regime of these…

The specific star-formation rate of star-forming `main sequence' galaxies significantly decreased since z~1.5, due to the decreasing molecular gas fraction and star formation efficiency. However, the radio-infrared (IR) correlation has not…

星系天体物理 · 物理学 2025-01-29 B. Vollmer , J. Freundlich , P. Gratier , Th. Lizee , M. Lendrin , J. Braine , M. Soida

(Abridged) The far-infrared (FIR) and radio luminosities of star-forming galaxies are linearly correlated over a very wide range in star formation rate, from normal spirals like the Milky Way to the most intense starbursts. Using one-zone…

宇宙学与河外天体物理 · 物理学 2015-05-13 Brian C. Lacki , Todd A. Thompson , Eliot Quataert

Using data obtained for twelve galaxies as part of the {\it Spitzer} Infrared Nearby Galaxies Survey (SINGS) and the Westerbork Synthesis Radio Telescope (WSRT)-SINGS radio continuum survey, we study how star formation activity affects the…

Using data obtained as part of the {\it Spitzer} Infrared Nearby Galaxies Survey (SINGS; Kennicutt et al. 2003) and WSRT-SINGS radio continuum survey (Braun et al. 2006), we study the effects of star-formation activity on the far-infrared…

天体物理学 · 物理学 2007-05-23 E. J. Murphy , G. Helou , L. Armus , R. Braun , J. D. P. Kenney , the SINGS team

I have assembled a diverse sample of galaxies from the literature with far-ultraviolet (FUV), optical, infrared (IR) and radio luminosities to explore the calibration of radio-derived and IR-derived star formation (SF) rates, and the origin…

天体物理学 · 物理学 2009-11-07 Eric F. Bell

We examine the tight correlation observed between the far infrared (FIR) and radio emission in normal and star burst galaxies. We show that significant deviations from the average relation are to be expected in young star burst or post star…

天体物理学 · 物理学 2007-05-23 A. Bressan , G. L. Granato , L. Silva

We study the radio - far-infrared (FIR) correlation in a sample of faint dwarf irregular galaxies using NVSS data for 1.4 GHz radio flux, Spitzer MIPS 70 um data for FIR flux, and GALEX FUV data to estimate the star formation rates (SFR).…

宇宙学与河外天体物理 · 物理学 2014-09-04 Sambit Roychowdhury , Jayaram N. Chengalur

Resolved studies of the correlation between the radio and far-infrared (FIR) emission from galaxies at different frequencies can unveil the interplay between star formation and relativistic interstellar medium (ISM). Thanks to the LOFAR…

The far-infrared - radio correlation connects star formation and magnetic fields in galaxies, and has been confirmed over a large range of far-infrared luminosities. Recent investigations indicate that it may even hold in the regime of…

星系天体物理 · 物理学 2016-09-28 Dominik R. G. Schleicher , Rainer Beck

We present a new survey for CO in dwarf galaxies using the Kitt Peak 12m telescope. We observed the central regions of 121 northern dwarfs with IRAS detections and no known CO emission. We detect CO in 28 of these galaxies and marginally…

天体物理学 · 物理学 2009-11-10 Adam Leroy , Alberto D. Bolatto , Joshua D. Simon , Leo Blitz

We have compiled a sample of 26 metal-poor galaxies with 12 + log(O/H) < 8.1 with both infrared continuum and 1.4 GHz radio continuum data. By comparing to galaxies at higher metallicity, we have investigated the dependence on the…

星系天体物理 · 物理学 2017-09-06 Jianjie Qiu , Yong Shi , Junzhi Wang , Zhi-Yu Zhang , Luwenjia Zhou

The central star-forming regions in three blue compact dwarf galaxies (He 2-10, NGC 5253, and II Zw 40) were observed in the 340 GHz (880 micron) band at 5 arcsec resolution with the Submillimetre Array (SMA). Continuum emission associated…

宇宙学与河外天体物理 · 物理学 2015-06-12 Hiroyuki Hirashita

An extinction-free estimator of the star-formation rate (SFR) of galaxies is critical for understanding the high-redshift universe. To this end, the nearly linear, tight correlation of far-infrared (FIR) and radio luminosity of star-forming…

星系天体物理 · 物理学 2021-09-22 Maria Werhahn , Christoph Pfrommer , Philipp Girichidis

In the Milky Way and other main-sequence galaxies, stars form exclusively in molecular gas, which is traced by CO emission. However, low metallicity dwarf galaxies are often `CO-dark' in the sense that CO emission is not observable even at…

The correlation between the far-infrared (FIR) and radio emission is well established for nearby star forming galaxies. Many applications, in particular the radio-to-submm spectral index redshift indicator, tacitly assume that the relation…

天体物理学 · 物理学 2009-11-07 M. A. Garrett

This paper investigates the physical reasons for the existence, the tightness and the near universality of the FIR/radio correlation for late-type field galaxies. We develop theoretical models for the radio and far-infrared (FIR) emission…

天体物理学 · 物理学 2008-02-03 U. Lisenfeld , H. J. Voelk , C. Xu

In this paper we measure the far-infrared (FIR) and radio flux densities of a sample of 82 local gas-rich galaxies, including 70 "dwarf" galaxies ($M_* < 10^9 M_\odot$), from the Local Volume HI Survey (LVHIS), which is close to volume…

星系天体物理 · 物理学 2018-07-04 Li Shao , Baerbel Koribalski , Jing Wang , Luis Ho , Lister Staveley-Smith

It has been known for two decades that a tight correlation exists between far-infrared (FIR) and radio (1.4 and 4.8 GHz) global fluxes/luminosities from galaxies, which may be explained in terms of massive star formation activities in these…

天体物理学 · 物理学 2009-11-10 Yu-Qing Lou , Fu-Yan Bian

We investigate the scale on which the correlation arises between the 843 MHz radio and the 60 micron far-infrared (FIR) emission from star forming regions in the Milky way. The correlation, which exists on the smallest scales investigated…

宇宙学与河外天体物理 · 物理学 2015-05-19 J. Zhang , A. Hopkins , P. J. Barnes , M. Cagnes , Y. Yonekura , Y. Fukui
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