2022
DOI: 10.1051/0004-6361/202039346
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The VIMOS Ultra Deep Survey: The reversal of the star-formation rate − density relation at 2 <z< 5

Abstract: Utilizing spectroscopic observations taken for the VIMOS Ultra-Deep Survey (VUDS), new observations from Keck/DEIMOS, and publicly available observations of large samples of star-forming galaxies, we report here on the relationship between the star-formation rate (SFR) and the local environment (δgal) of galaxies in the early universe (2 < z < 5). Unlike what is observed at lower redshifts (z ≲ 2), we observe a definite, nearly monotonic increase in the average SFR with increasing galaxy overdensity over… Show more

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Cited by 37 publications
(20 citation statements)
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“…Standard data processing was performed using the VIPGI environment (Scodeggio et al 2005), followed by redshift measurements using the EZ package (Garilli et al 2010). The final UV rest-frame flux-limited sample is broadly representative of the bulk of the star-forming galaxy population at these redshifts (2 < z < 5) (Lemaux et al 2022). A critical aspect of VUDS is the large comoving volume covered, totalling 1 deg 2 in three fields: COSMOS (Scoville et al 2007), ECDFS (Giacconi et al 2002), and VVDS02h (Le Fèvre et al 2005.…”
Section: The Vuds Parent Samplementioning
confidence: 99%
See 1 more Smart Citation
“…Standard data processing was performed using the VIPGI environment (Scodeggio et al 2005), followed by redshift measurements using the EZ package (Garilli et al 2010). The final UV rest-frame flux-limited sample is broadly representative of the bulk of the star-forming galaxy population at these redshifts (2 < z < 5) (Lemaux et al 2022). A critical aspect of VUDS is the large comoving volume covered, totalling 1 deg 2 in three fields: COSMOS (Scoville et al 2007), ECDFS (Giacconi et al 2002), and VVDS02h (Le Fèvre et al 2005.…”
Section: The Vuds Parent Samplementioning
confidence: 99%
“…In this work we seek to characterize the presence of low-(LIS: O i+Si ii, C ii, Si ii, Fe ii), intermediate-(IIS: Al iii), and high-ionization (HIS: Si iv, C iv) state metal absorption (see Table 2) in the CGM of a star-forming galaxy population at ⟨z⟩ ∼ 2.6 using UV spectra obtained from the large VIMOS Ultra Deep Survey (VUDS; Le . We use thousands of galaxies with the most reliable redshift measurements and the highest S/N spectra (with reliability flags 3 and 4; see Le Fèvre et al 2015;Tasca et al 2017), a sample broadly representative of the bulk of the star-forming galaxy population at these redshifts (Lemaux et al 2022). To detect the dim signal coming from low-and high-ionization line absorptions produced in the CGM of these star-forming galaxies, we stack the spectra of close (in projection) background galaxies to establish the metal distribution in the CGM and explore their dependence on the physical and morphological properties of starforming galaxies (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Standard data processing was performed using the VIPGI environment (Scodeggio et al 2005), followed by redshift measurements using the EZ package (Garilli et al 2010). The final UV rest-frame flux-limited sample is broadly representative of the bulk of the star-forming galaxy population at these redshifts (2 < z < 5) (Lemaux et al 2022). A critical aspect of VUDS is the large comoving volume covered, totalling of 1 deg 2 in three fields: COSMOS (Scoville et al 2007), ECDFS (Giacconi et al 2002), and VVDS02h (Le Fèvre et al 2005.…”
Section: The Vuds Parent Samplementioning
confidence: 99%
“…In this work, we seek to characterize the presence of low-(LIS: O i+Si ii, C ii, Si ii, Fe ii), intermediate-(IIS: Al iii) and high-ionization (HIS: Si iv, C iv) state metal absorption (see Table 2) in the CGM of a star-forming galaxy population at z ∼ 2.6 using UV spectra obtained from the large VIMOS Ultra Deep Survey (VUDS; Le . We use thousands of galaxies with the most reliable redshift measurements and the highest S/N spectra (with reliability flags 3 and 4; see Le Fèvre et al 2015;Tasca et al 2017), a sample broadly representative of the bulk of the star-forming galaxy population at these redshifts (Lemaux et al 2022). To detect the dim signal coming from low-and high ionization line absorptions produced in the CGM of these star-forming galaxies, we stack the spectra of close (in projection) background galaxies to establish the metal distribution in the CGM and explore their dependence on the physical and morphological properties of starforming galaxies (e.g., impact parameter b, star formation rate, stellar mass, galaxy effective radius and azimuthal angle) at the peak epoch of cosmic star formation activity in the Universe.…”
Section: Introductionmentioning
confidence: 99%
“…Nine ALPINE galaxies are covered by the NB2071 and NB2083 narrow-band imaging taken with the Multi-Object Infrared Camera and Spectrograph (Ichikawa et al 2006;Suzuki et al 2008) on the Subaru Telescope, as part of the Charting Cluster Construction with the VUDS (Le Fèvre et al 2015) and ORELSE (Lubin et al 2009) surveys (Lemaux et al 2022;Shen et al 2021). These observations are designed to target the [O II] emission in the massive protocluster PCl J1001 +0220 at z ∼ 4.57 and its surroundings in the COSMOS field (Lemaux et al 2018).…”
Section: Optical/ir Imagingmentioning
confidence: 99%