The KMOS3D Survey: Demographics and Properties of Galactic Outflows at z = 0.6-2.7

N. M.Förster Schreiber, H. Übler, R. Genzel, E. Wisnioski, S. Belli, T. Shimizu, D. Lutz, M. Fossati, R. Herrera-Camus, J. T. Mendel, L. J. Tacconi, D. Wilman, A. Beifiori, G. B. Brammer, A. Burkert, C. M. Carollo, F. Eisenhauer, M. Fabricius, S. J. Lilly, I. MomchevaT. Naab, E. J. Nelson, S. H. Price, A. Renzini, R. Saglia, A. Sternberg, P. Van Dokkum, S. Wuyts

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Abstract

We present a census of ionized gas outflows in 599 normal galaxies at redshift 0.6 < z < 2.7, mostly based on integral field spectroscopy of Hα, [N ii], and [S ii] line emission. The sample fairly homogeneously covers the main sequence of star-forming galaxies with masses 9.0 < log(M /M o) < 11.7, and probes into the regimes of quiescent galaxies and starburst outliers. About one-third exhibits the high-velocity component indicative of outflows, roughly equally split into winds driven by star formation (SF) and active galactic nuclei (AGNs). The incidence of SF-driven winds correlates mainly with SF properties. These outflows have typical velocities of ∼450 km s-1, local electron densities of n e ∼ 380 cm-3, modest mass loading factors of ∼0.1-0.2 at all galaxy masses, and energetics compatible with momentum driving by young stellar populations. The SF-driven winds may escape from log(M /M o) ≲ 10.3 galaxies, but substantial mass, momentum, and energy in hotter and colder outflow phases seem required to account for low galaxy formation efficiencies in the low-mass regime. Faster AGN-driven outflows (∼1000-2000 km s-1) are commonly detected above log(M /M o) ∼ 10.7, in up to ∼75% of log(M /M o) 11.2 galaxies. The incidence, strength, and velocity of AGN-driven winds strongly correlates with stellar mass and central concentration. Their outflowing ionized gas appears denser (n e ∼ 1000 cm-3), and possibly compressed and shock-excited. These winds have comparable mass loading factors as the SF-driven winds but carry ∼10 (∼50) times more momentum (energy). The results confirm our previous findings of high-duty-cycle, energy-driven outflows powered by AGN above the Schechter mass, which may contribute to SF quenching.

Original languageEnglish
Article number21
Number of pages26
JournalAstrophysical Journal
Volume875
Issue number1
DOIs
Publication statusPublished - 9 Apr 2019

Keywords

  • Galaxies: Evolution
  • galaxies: High-redshift
  • galaxies: Kinematics and dynamics
  • infrared: Galaxies

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Schreiber, N. M. F., Übler, H., Genzel, R., Wisnioski, E., Belli, S., Shimizu, T., ... Wuyts, S. (2019). The KMOS3D Survey: Demographics and Properties of Galactic Outflows at z = 0.6-2.7. Astrophysical Journal, 875(1), [21]. https://doi.org/10.3847/1538-4357/ab0ca2

The KMOS3D Survey : Demographics and Properties of Galactic Outflows at z = 0.6-2.7. / Schreiber, N. M.Förster; Übler, H.; Genzel, R.; Wisnioski, E.; Belli, S.; Shimizu, T.; Lutz, D.; Fossati, M.; Herrera-Camus, R.; Mendel, J. T.; Tacconi, L. J.; Wilman, D.; Beifiori, A.; Brammer, G. B.; Burkert, A.; Carollo, C. M.; Eisenhauer, F.; Fabricius, M.; Lilly, S. J.; Momcheva, I.; Naab, T.; Nelson, E. J.; Price, S. H.; Renzini, A.; Saglia, R.; Sternberg, A.; Van Dokkum, P.; Wuyts, S.

In: Astrophysical Journal, Vol. 875, No. 1, 21, 09.04.2019.

Research output: Contribution to journalArticle

Schreiber, NMF, Übler, H, Genzel, R, Wisnioski, E, Belli, S, Shimizu, T, Lutz, D, Fossati, M, Herrera-Camus, R, Mendel, JT, Tacconi, LJ, Wilman, D, Beifiori, A, Brammer, GB, Burkert, A, Carollo, CM, Eisenhauer, F, Fabricius, M, Lilly, SJ, Momcheva, I, Naab, T, Nelson, EJ, Price, SH, Renzini, A, Saglia, R, Sternberg, A, Van Dokkum, P & Wuyts, S 2019, 'The KMOS3D Survey: Demographics and Properties of Galactic Outflows at z = 0.6-2.7', Astrophysical Journal, vol. 875, no. 1, 21. https://doi.org/10.3847/1538-4357/ab0ca2
Schreiber NMF, Übler H, Genzel R, Wisnioski E, Belli S, Shimizu T et al. The KMOS3D Survey: Demographics and Properties of Galactic Outflows at z = 0.6-2.7. Astrophysical Journal. 2019 Apr 9;875(1). 21. https://doi.org/10.3847/1538-4357/ab0ca2
Schreiber, N. M.Förster ; Übler, H. ; Genzel, R. ; Wisnioski, E. ; Belli, S. ; Shimizu, T. ; Lutz, D. ; Fossati, M. ; Herrera-Camus, R. ; Mendel, J. T. ; Tacconi, L. J. ; Wilman, D. ; Beifiori, A. ; Brammer, G. B. ; Burkert, A. ; Carollo, C. M. ; Eisenhauer, F. ; Fabricius, M. ; Lilly, S. J. ; Momcheva, I. ; Naab, T. ; Nelson, E. J. ; Price, S. H. ; Renzini, A. ; Saglia, R. ; Sternberg, A. ; Van Dokkum, P. ; Wuyts, S. / The KMOS3D Survey : Demographics and Properties of Galactic Outflows at z = 0.6-2.7. In: Astrophysical Journal. 2019 ; Vol. 875, No. 1.
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abstract = "We present a census of ionized gas outflows in 599 normal galaxies at redshift 0.6 < z < 2.7, mostly based on integral field spectroscopy of Hα, [N ii], and [S ii] line emission. The sample fairly homogeneously covers the main sequence of star-forming galaxies with masses 9.0 < log(M ∗/M o) < 11.7, and probes into the regimes of quiescent galaxies and starburst outliers. About one-third exhibits the high-velocity component indicative of outflows, roughly equally split into winds driven by star formation (SF) and active galactic nuclei (AGNs). The incidence of SF-driven winds correlates mainly with SF properties. These outflows have typical velocities of ∼450 km s-1, local electron densities of n e ∼ 380 cm-3, modest mass loading factors of ∼0.1-0.2 at all galaxy masses, and energetics compatible with momentum driving by young stellar populations. The SF-driven winds may escape from log(M ∗/M o) ≲ 10.3 galaxies, but substantial mass, momentum, and energy in hotter and colder outflow phases seem required to account for low galaxy formation efficiencies in the low-mass regime. Faster AGN-driven outflows (∼1000-2000 km s-1) are commonly detected above log(M ∗/M o) ∼ 10.7, in up to ∼75{\%} of log(M ∗/M o) 11.2 galaxies. The incidence, strength, and velocity of AGN-driven winds strongly correlates with stellar mass and central concentration. Their outflowing ionized gas appears denser (n e ∼ 1000 cm-3), and possibly compressed and shock-excited. These winds have comparable mass loading factors as the SF-driven winds but carry ∼10 (∼50) times more momentum (energy). The results confirm our previous findings of high-duty-cycle, energy-driven outflows powered by AGN above the Schechter mass, which may contribute to SF quenching.",
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AU - Schreiber, N. M.Förster

AU - Übler, H.

AU - Genzel, R.

AU - Wisnioski, E.

AU - Belli, S.

AU - Shimizu, T.

AU - Lutz, D.

AU - Fossati, M.

AU - Herrera-Camus, R.

AU - Mendel, J. T.

AU - Tacconi, L. J.

AU - Wilman, D.

AU - Beifiori, A.

AU - Brammer, G. B.

AU - Burkert, A.

AU - Carollo, C. M.

AU - Eisenhauer, F.

AU - Fabricius, M.

AU - Lilly, S. J.

AU - Momcheva, I.

AU - Naab, T.

AU - Nelson, E. J.

AU - Price, S. H.

AU - Renzini, A.

AU - Saglia, R.

AU - Sternberg, A.

AU - Van Dokkum, P.

AU - Wuyts, S.

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N2 - We present a census of ionized gas outflows in 599 normal galaxies at redshift 0.6 < z < 2.7, mostly based on integral field spectroscopy of Hα, [N ii], and [S ii] line emission. The sample fairly homogeneously covers the main sequence of star-forming galaxies with masses 9.0 < log(M ∗/M o) < 11.7, and probes into the regimes of quiescent galaxies and starburst outliers. About one-third exhibits the high-velocity component indicative of outflows, roughly equally split into winds driven by star formation (SF) and active galactic nuclei (AGNs). The incidence of SF-driven winds correlates mainly with SF properties. These outflows have typical velocities of ∼450 km s-1, local electron densities of n e ∼ 380 cm-3, modest mass loading factors of ∼0.1-0.2 at all galaxy masses, and energetics compatible with momentum driving by young stellar populations. The SF-driven winds may escape from log(M ∗/M o) ≲ 10.3 galaxies, but substantial mass, momentum, and energy in hotter and colder outflow phases seem required to account for low galaxy formation efficiencies in the low-mass regime. Faster AGN-driven outflows (∼1000-2000 km s-1) are commonly detected above log(M ∗/M o) ∼ 10.7, in up to ∼75% of log(M ∗/M o) 11.2 galaxies. The incidence, strength, and velocity of AGN-driven winds strongly correlates with stellar mass and central concentration. Their outflowing ionized gas appears denser (n e ∼ 1000 cm-3), and possibly compressed and shock-excited. These winds have comparable mass loading factors as the SF-driven winds but carry ∼10 (∼50) times more momentum (energy). The results confirm our previous findings of high-duty-cycle, energy-driven outflows powered by AGN above the Schechter mass, which may contribute to SF quenching.

AB - We present a census of ionized gas outflows in 599 normal galaxies at redshift 0.6 < z < 2.7, mostly based on integral field spectroscopy of Hα, [N ii], and [S ii] line emission. The sample fairly homogeneously covers the main sequence of star-forming galaxies with masses 9.0 < log(M ∗/M o) < 11.7, and probes into the regimes of quiescent galaxies and starburst outliers. About one-third exhibits the high-velocity component indicative of outflows, roughly equally split into winds driven by star formation (SF) and active galactic nuclei (AGNs). The incidence of SF-driven winds correlates mainly with SF properties. These outflows have typical velocities of ∼450 km s-1, local electron densities of n e ∼ 380 cm-3, modest mass loading factors of ∼0.1-0.2 at all galaxy masses, and energetics compatible with momentum driving by young stellar populations. The SF-driven winds may escape from log(M ∗/M o) ≲ 10.3 galaxies, but substantial mass, momentum, and energy in hotter and colder outflow phases seem required to account for low galaxy formation efficiencies in the low-mass regime. Faster AGN-driven outflows (∼1000-2000 km s-1) are commonly detected above log(M ∗/M o) ∼ 10.7, in up to ∼75% of log(M ∗/M o) 11.2 galaxies. The incidence, strength, and velocity of AGN-driven winds strongly correlates with stellar mass and central concentration. Their outflowing ionized gas appears denser (n e ∼ 1000 cm-3), and possibly compressed and shock-excited. These winds have comparable mass loading factors as the SF-driven winds but carry ∼10 (∼50) times more momentum (energy). The results confirm our previous findings of high-duty-cycle, energy-driven outflows powered by AGN above the Schechter mass, which may contribute to SF quenching.

KW - Galaxies: Evolution

KW - galaxies: High-redshift

KW - galaxies: Kinematics and dynamics

KW - infrared: Galaxies

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