THE LESSER ROLE OF STARBURSTS IN STAR FORMATION AT
                    <i>z</i>
                    = 2

Rodighiero, G.; Daddi, E.; Baronchelli, Ivano; Cimatti, A.; Renzini, A.; Aussel, H.; Popesso, P.; Lutz, D.; Andreani, P.; Berta, S.; Cava, A.; Elbaz, D.; Feltre, Anna; Fontana, A.; Schreiber, N. M. Förster; Franceschini, A.; Genzel, R.; Grazian, A.; Gruppioni, C.; Ilbert, O.; Floc’h, E. Le; Magdis, G.; Magliocchetti, M.; Magnelli, B.; Maiolino, R.; McCracken, H. J.; Nordon, R.; Poglitsch, A.; Santini, P.; Pozzi, F.; Riguccini, L.; Tacconi, L. J.; Wuyts, Stijn; Zamorani, G.

doi:10.1088/2041-8205/739/2/l40

Cited by 829 publications

(1,189 citation statements)

References 48 publications

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“…We adopt the following law for the redshift evolution of the MS: log(SF R(M, z)) = −7.77 + 0.79 log(M ) + 2.8 log(1 + z) (6) where M is the stellar mass expressed in unit of solar masses. The slope and the redshift evolution are based on the results of Rodighiero et al (2011) and the normalization provides the best agreement with our data (see Appendix A for details) and it is consistent with the normalizations adopted in the literature (Noeske et al (2007) for the local universe; Elbaz et al (2007) and Daddi et al (2007) for z ∼1 and z ∼2, respectively). The dot-dashed lines above and below the MS correspond to ±0.6 dex.…”

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confidence: 87%

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Star formation properties of sub-mJy radio sources

Bonzini

Mainieri

Padovani

et al. 2015

Mon. Not. R. Astron. Soc.

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We investigate the star formation properties of ∼ 800 sources detected in one of the deepest radio surveys at 1.4 GHz. Our sample spans a wide redshift range (∼ 0.1 − 4) and about four orders of magnitude in star formation rate (SFR). It includes both star forming galaxies (SFGs) and active galactic nuclei (AGNs), further divided into radio-quiet and radio-loud objects. We compare the SFR derived from the far infrared luminosity, as traced by Herschel, with the SFR computed from their radio emission. We find that the radio power is a good SFR tracer not only for pure SFGs but also in the host galaxies of RQ AGNs, with no significant deviation with redshift or specific SFR. Moreover, we quantify the contribution of the starburst activity in the SFGs population and the occurrence of AGNs in sources with different level of star formation. Finally we discuss the possibility of using deep radio survey as a tool to study the cosmic star formation history.

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confidence: 87%

“…; Daddi et al 2007;Elbaz et al 2007;Pannella et al 2009;Peng et al 2010;Rodighiero et al 2011;Wuyts et al 2011).…”

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Star formation properties of sub-mJy radio sources

Bonzini

Mainieri

Padovani

et al. 2015

Mon. Not. R. Astron. Soc.

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“…Other studies about AGN hosts reach similar conclusions, such as Kocevski et al (2012), Santini et al (2012), and Schawinski et al (2011). Their results provide evidence that the starburst galaxies only account for 10% of the cosmic SFR density at z ∼ 2 (Rodighiero et al 2011;Lamastra et al 2013). Yet, Treister et al (2012) found that the mergers are responsible for triggering the most luminous AGNs (L bol > 10 45 erg s −1 ).…”

Section: Introductionsupporting

confidence: 64%

Herschel Observed Stripe 82 Quasars and Their Host Galaxies: Connections Between Agn Activity and Host Galaxy Star Formation

2016

ApJ

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In this work, we present a study of 207 quasars selected from the Sloan Digital Sky Survey quasar catalogs and the Herschel Stripe 82 survey. Quasars within this sample are high-luminosity quasars with a mean bolometric luminosity of 10 46.4 erg s −1 . The redshift range of this sample is within z < 4, with a mean value of 1.5 ± 0.78. Because we only selected quasars that have been detected in all three Herschel-SPIRE bands, the quasar sample is complete yet highly biased. Based on the multi-wavelength photometric observation data, we conducted a spectral energy distribution (SED) fitting through UV to FIR. Parameters such as active galactic nucleus (AGN) luminosity, far-IR (FIR) luminosity, stellar mass, as well as many other AGN and galaxy properties are deduced from the SED fitting results. The mean star formation rate (SFR) of the sample is 419 M e yr −1 and the mean gas mass is ∼10 11.3 M e . All of these results point to an IR luminous quasar system. Compared with star formation main sequence (MS) galaxies, at least 80 out of 207 quasars are hosted by starburst galaxies. This supports the statement that luminous AGNs are more likely to be associated with major mergers. The SFR increases with the redshift up to z = 2. It is correlated with the AGN bolometric luminosity, where µ  L L FIR Bol 0.46 0.03 . The AGN bolometric luminosity is also correlated with the host galaxy mass and gas mass. Yet the correlation between L FIR and L Bol has higher significant level, implies that the link between AGN accretion and the SFR is more primal. The M BH /M * ratio of our sample is 0.02, higher than the value 0.005 in the local universe. It might indicate an evolutionary trend of the M BH -M * scaling relation.

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“…Many recent works have framed analysis of new Herschel-detected DSFG populations in the context of the "Main Sequence" of galaxies Rodighiero et al, 2011;Nordon et al, 2012Nordon et al, , 2013Sargent et al, 2012;Magnelli et al, 2013a). The main sequence was first presented in Noeske et al (2007b,a) as terminology for the perceived tight relationship between galaxies' stellar masses and their star formation rates.…”

Section: Relationship To Normal Galaxies: the Infrared Main Sequencementioning

confidence: 99%

Dusty star-forming galaxies at high redshift

2014

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Far-infrared and submillimeter wavelength surveys have now established the important role of dusty, star-forming galaxies (DSFGs) in the assembly of stellar mass and the evolution of massive galaxies in the Universe. The brightest of these galaxies have infrared luminosities in excess of 10 13 L with implied star-formation rates of thousands of solar masses per year. They represent the most intense starbursts in the Universe, yet many are completely optically obscured. Their easy detection at submm wavelengths is due to dust heated by ultraviolet radiation of newly forming stars. When summed up, all of the dusty, star-forming galaxies in the Universe produce an infrared radiation field that has an equal energy density as the direct starlight emission from all galaxies visible at ultraviolet and optical wavelengths. The bulk of this infrared extragalactic background light emanates from galaxies as diverse as gas-rich disks to mergers of intense starbursting galaxies. Major advances in far-infrared instrumentation in recent years, both spacebased and ground-based, has led to the detection of nearly a million DSFGs, yet our understanding of the underlying astrophysics that govern the start and end of the dusty starburst phase is still in nascent stage. This review is aimed at summarizing the current status of DSFG studies, focusing especially on the detailed characterization of the bestunderstood subset (submillimeter galaxies, who were summarized in the last review of this field over a decade ago, Blain et al. 2002), but also the selection and characterization of more recently discovered DSFG populations. We review DSFG population statistics, their physical properties including dust, gas and stellar contents, their environments, and current theoretical models related to the formation and evolution of these galaxies.

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THE LESSER ROLE OF STARBURSTS IN STAR FORMATION AT z = 2

Cited by 829 publications

References 48 publications

Star formation properties of sub-mJy radio sources

Star formation properties of sub-mJy radio sources

Herschel Observed Stripe 82 Quasars and Their Host Galaxies: Connections Between Agn Activity and Host Galaxy Star Formation

Dusty star-forming galaxies at high redshift

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