English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We present optical spectroscopy and optical/near-IR photometry of 31 hostgalaxies of hydrogen-poor superluminous supernovae (SLSNe), including 15 eventsfrom the Pan-STARRS1 Medium Deep Survey. Our sample spans the redshift range0.1 < z < 1.6 and is the first comprehensive host galaxy study of this specificsubclass of cosmic explosions. Combining the multi-band photometry andemission-line measurements, we determine the luminosities, stellar masses, starformation rates and metallicities. We find that as a whole, the hosts of SLSNeare a low-luminosity (<M_B> ~ -17.3 mag), low stellar mass (<M_*> ~ 2 x 10^8M_sun) population, with a high median specific star formation rate (<sSFR> ~ 2Gyr^-1). The median metallicity of our spectroscopic sample is low, 12 +log(O/H}) ~ 8.35 ~ 0.45 Z_sun, although at least one host galaxy has solarmetallicity. The host galaxies of H-poor SLSNe are statistically distinct fromthe hosts of GOODS core-collapse SNe (which cover a similar redshift range),but resemble the host galaxies of long-duration gamma-ray bursts (LGRBs) interms of stellar mass, SFR, sSFR and metallicity. This result indicates thatthe environmental causes leading to massive stars forming either SLSNe or LGRBsare similar, and in particular that SLSNe are more effectively formed in lowmetallicity environments. We speculate that the key ingredient is large coreangular momentum, leading to a rapidly-spinning magnetar in SLSNe and anaccreting black hole in LGRBs.

Hydrogen-Poor Superluminous Supernovae and Long-Duration Gamma-Ray Bursts Have Similar Host Galaxies