Mass and metallicity scaling relations of high-redshift star-forming galaxies selected by GRBs

Arabsalmani, M.; Møller, P.; Perley, D. A.; Freudling, W.; Fynbo, J. P. U.; Floc’h, E. Le; Zwaan, M. A.; Schulze, S.; Tanvir, N. R.; Christensen, L.; Levan, A. J.; Jakobsson, P.; Malesani, D.; Cano, Z.; Covino, S.; D’Elia, V.; Goldoni, P.; Gomboc, A.; Heintz, K. E.; Sparre, Martin; Postigo, A. de Ugarte; Vergani, S. D.

doi:10.1093/mnras/stx2451

Cited by 42 publications

(44 citation statements)

References 120 publications

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“…Regions with high star formation densities are expected to power strong gas outflows with large velocities (Lagos et al 2013;Sharma et al 2017). The large galaxy outflow velocities deduced from the velocity widths of the interstellar medium absorption lines in GRB hosts (detected in GRB afterglows, see Arabsalmani et al 2018b, and references therein) are therefore consistent with the hypothesis of GRBs originating in regions with high SFR densities.…”

Section: Discussionsupporting

confidence: 70%

The host galaxy of GRB 980425/SN1998bw: a collisional ring galaxy

Arabsalmani

Roychowdhury

Starkenburg

et al. 2019

Monthly Notices of the Royal Astronomical Society

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We report Giant Metrewave Radio Telescope (GMRT) , Very Large Telescope (VLT) and Spitzer Space Telescope observations of ESO 184−G82, the host galaxy of GRB 980425/SN 1998bw, that yield evidence of a companion dwarf galaxy at a projected distance of 13 kpc. The companion, hereafter GALJ193510-524947, is a gas-rich, star-forming galaxy with a star formation rate of 0.004 M ⊙ yr −1 , a gas mass of 10 7.1±0.1 M ⊙ , and a stellar mass of 10 7.0±0.3 M ⊙ . The interaction between ESO 184−G82 and GALJ193510-524947 is evident from the extended gaseous structure between the two galaxies in the GMRT HI 21 cm map. We find a ring of high column density HI gas, passing through the actively star forming regions of ESO 184−G82 and the GRB location. This ring lends support to the picture in which ESO 184−G82 is interacting with GALJ193510-524947. The massive stars in GALJ193510-524947 have similar ages to those in star-forming regions in ESO 184−G82, also suggesting that the interaction may have triggered star formation in both galaxies. The gas and star formation properties of ESO 184−G82 favour a head-on collision with GALJ193510-524947 rather than a classical tidal interaction. We perform state-of-the art simulations of dwarfdwarf mergers and confirm that the observed properties of ESO 184−G82 can be reproduced by collision with a small companion galaxy. This is a very clear case of interaction in a gamma ray burst host galaxy, and of interaction-driven star formation giving rise to a gamma ray burst in a dense environment.

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Section: Discussionsupporting

confidence: 70%

The host galaxy of GRB 980425/SN1998bw: a collisional ring galaxy

Arabsalmani

Roychowdhury

Starkenburg

et al. 2019

Monthly Notices of the Royal Astronomical Society

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“…Another relevant factor affecting the composition is the metallicity of the host environment. In fact it may well be that composition correlates with metallicity which likely scales with redshift [52,53]. We have assumed in this article that the composition evolution is flat since the uncertainties on metallicity dependence are large and because it is unclear how metallicity maps onto EECR composition.…”

Section: Discussionmentioning

confidence: 99%

Cosmogenic neutrinos through the GRAND lens unveil the nature of cosmic accelerators

Møller

Denton

Tamborra

2019

J. Cosmol. Astropart. Phys.

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The sources of cosmic rays with energies above 55 EeV are still mysterious. A guaranteed associated flux of ultra high energy neutrinos known as the cosmogenic neutrino flux will be measured by next generation radio facilities, such as the proposed Giant Radio Array for Neutrino Detection (GRAND). By using the orthogonal information provided by the cosmogenic neutrino flux, we here determine the prospects of GRAND to constrain the source redshift evolution and the chemical composition of the cosmic ray sources. If the redshift evolution is known, independently on GRAND's energy resolution, GRAND with 200,000 antennas will constrain the proton/iron fraction to the ∼ 5 − 10% level after one year of data taking; on the other hand, if hints on the average source composition are given, GRAND will measure the redshift evolution of the sources to a ∼ 10% uncertainty. However, the foreseen configuration of GRAND alone will not be able to break the degeneracy between redshift evolution of the sources and their composition. Our findings underline the discriminating potential of next generation radio array detectors and motivate further efforts in this direction.1 The Ultra High Energy Cosmic Ray (UHECR) typically refers to cosmic rays with energies 1 EeV. We use the term EECR adopted by the community to mean those with energies 55 EeV which have a short horizon.

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“…We noticed a discrepancy (see also Corre et al 2018;Arabsalmani et al 2017;Heintz et al 2017) when computing stellar masses from SED fitting compared to values based on the rest-frame near-infrared (NIR) magnitude only (e.g. from Perley et al 2016b, used also in Vergani et al 2017).…”

Section: And A2)mentioning

confidence: 99%

Are long gamma-ray bursts biased tracers of star formation? Clues from the host galaxies of the Swift/BAT6 complete sample of bright LGRBs

Palmerio

Vergani

Salvaterra

et al. 2019

A&A

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Aims. Long gamma-ray bursts (LGRB) have been proposed as promising tracers of star formation owing to their association with the core-collapse of massive stars. Nonetheless, previous studies we carried out at z < 1 support the hypothesis that the conditions necessary for the progenitor star to produce an LGRB (e.g. low metallicity), were challenging the use of LGRBs as star-formation tracers, at least at low redshift. The goal of this work is to characterise the population of host galaxies of LGRBs at 1 < z < 2, investigate the conditions in which LGRBs form at these redshifts and assess their use as tracers of star formation. Methods. We performed a spectro-photometric analysis to determine the stellar mass, star formation rate, specific star formation rate and metallicity of the complete, unbiased host galaxy sample of the Swift/BAT6 LGRB sample at 1 < z < 2. We compared the distribution of these properties to the ones of typical star-forming galaxies from the MOSDEF and COSMOS2015 Ultra Deep surveys, within the same redshift range. Results. We find that, similarly to z < 1, LGRBs do not directly trace star formation at 1 < z < 2, and they tend to avoid highmass, high-metallicity host galaxies. We also find evidence for an enhanced fraction of starbursts among the LGRB host sample with respect to the star-forming population of galaxies. Nonetheless we demonstrate that the driving factor ruling the LGRB efficiency is metallicity. The LGRB host distributions can be reconciled with the ones expected from galaxy surveys by imposing a metallicity upper limit of 12 + log(O/H)∼8.55. We can determine upper limits on the fraction of super-solar metallicity LGRB host galaxies of ∼ 20%, 10% at z < 1, 1 < z < 2, respectively. Conclusions. Metallicity rules the LGRB production efficiency, which is stifled at Z 0.7 Z . Under this hypothesis we can expectLGRBs to trace star formation at z > 3, once the bulk of the star forming galaxy population are characterised by metallicities below this limit. The role played by metallicity can be explained by the conditions necessary for the progenitor star to produce an LGRB. The moderately high metallicity threshold found is in agreement with the conditions necessary to rapidly produce a fast-rotating Wolf-Rayet stars in close binary systems, and could be accommodated by single star models under chemically homogeneous mixing with very rapid rotation and weak magnetic coupling.

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Mass and metallicity scaling relations of high-redshift star-forming galaxies selected by GRBs

Cited by 42 publications

References 120 publications

The host galaxy of GRB 980425/SN1998bw: a collisional ring galaxy

The host galaxy of GRB 980425/SN1998bw: a collisional ring galaxy

Cosmogenic neutrinos through the GRAND lens unveil the nature of cosmic accelerators

Are long gamma-ray bursts biased tracers of star formation? Clues from the host galaxies of the Swift/BAT6 complete sample of bright LGRBs

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