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SDSS-IV MaNGA: faint quenched galaxies – I. Sample selection and evidence for environmental quenching

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SDSS-IV MaNGA : faint quenched galaxies – I. Sample selection and evidence for environmental quenching. / Penny, Samantha; Masters, Karen; Weijmans, Anne-Marie; Westfall, Kyle; Bershady, Matthew; Bundy, Kevin; Drory, Niv; Falcon-Barroso, Jesus; Law, David; Nichol, Bob; Thomas, Daniel; Bizyaev, Dmitry; Brownstein, Joel; Freischlad, Gordon; Gaulme, Patrick; Grabowski, Katie; Kinemuchi, Karen; Malanushenko, Elena; Malanushenko, Viktor; Oravetz, Daniel J.; Roman-Lopes, Alexandre; Pan, Kaike; Simmons, Audrey E.; Wake, David A.

In: Monthly Notices of the Royal Astronomical Society, Vol. 462, No. 4, 11.11.2016, p. 3955-3978.

Research output: Contribution to journalArticle

Harvard

Penny, S, Masters, K, Weijmans, A-M, Westfall, K, Bershady, M, Bundy, K, Drory, N, Falcon-Barroso, J, Law, D, Nichol, B, Thomas, D, Bizyaev, D, Brownstein, J, Freischlad, G, Gaulme, P, Grabowski, K, Kinemuchi, K, Malanushenko, E, Malanushenko, V, Oravetz, DJ, Roman-Lopes, A, Pan, K, Simmons, AE & Wake, DA 2016, 'SDSS-IV MaNGA: faint quenched galaxies – I. Sample selection and evidence for environmental quenching', Monthly Notices of the Royal Astronomical Society, vol. 462, no. 4, pp. 3955-3978. https://doi.org/10.1093/mnras/stw1913

APA

Penny, S., Masters, K., Weijmans, A-M., Westfall, K., Bershady, M., Bundy, K., Drory, N., Falcon-Barroso, J., Law, D., Nichol, B., Thomas, D., Bizyaev, D., Brownstein, J., Freischlad, G., Gaulme, P., Grabowski, K., Kinemuchi, K., Malanushenko, E., Malanushenko, V., ... Wake, D. A. (2016). SDSS-IV MaNGA: faint quenched galaxies – I. Sample selection and evidence for environmental quenching. Monthly Notices of the Royal Astronomical Society, 462(4), 3955-3978. https://doi.org/10.1093/mnras/stw1913

Vancouver

Penny S, Masters K, Weijmans A-M, Westfall K, Bershady M, Bundy K et al. SDSS-IV MaNGA: faint quenched galaxies – I. Sample selection and evidence for environmental quenching. Monthly Notices of the Royal Astronomical Society. 2016 Nov 11;462(4):3955-3978. https://doi.org/10.1093/mnras/stw1913

Author

Penny, Samantha ; Masters, Karen ; Weijmans, Anne-Marie ; Westfall, Kyle ; Bershady, Matthew ; Bundy, Kevin ; Drory, Niv ; Falcon-Barroso, Jesus ; Law, David ; Nichol, Bob ; Thomas, Daniel ; Bizyaev, Dmitry ; Brownstein, Joel ; Freischlad, Gordon ; Gaulme, Patrick ; Grabowski, Katie ; Kinemuchi, Karen ; Malanushenko, Elena ; Malanushenko, Viktor ; Oravetz, Daniel J. ; Roman-Lopes, Alexandre ; Pan, Kaike ; Simmons, Audrey E. ; Wake, David A. / SDSS-IV MaNGA : faint quenched galaxies – I. Sample selection and evidence for environmental quenching. In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 462, No. 4. pp. 3955-3978.

Bibtex

@article{9836479395124432bb82a176e828815e,
title = "SDSS-IV MaNGA: faint quenched galaxies – I. Sample selection and evidence for environmental quenching",
abstract = "Using kinematic maps from the Sloan Digital Sky Survey (SDSS) Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, we reveal that the majority of low-mass quenched galaxies exhibit coherent rotation in their stellar kinematics. Our sample includes all 39 quenched low-mass galaxies observed in the first year of MaNGA. The galaxies are selected with Mr > −19.1, stellar masses 109 M⊙ < M* < 5 × 109 M⊙, EWHα < 2 {\AA}, and all have red colours (u − r) > 1.9. They lie on the size–magnitude and σ–luminosity relations for previously studied dwarf galaxies. Just six (15 ± 5.7 per cent) are found to have rotation speeds ve, rot < 15 km s−1 at ∼1 Re, and may be dominated by pressure support at all radii. Two galaxies in our sample have kinematically distinct cores in their stellar component, likely the result of accretion. Six contain ionized gas despite not hosting ongoing star formation, and this gas is typically kinematically misaligned from their stellar component. This is the first large-scale Integral Field Unit (IFU) study of low-mass galaxies selected without bias against low-density environments. Nevertheless, we find the majority of these galaxies are within ∼1.5 Mpc of a bright neighbour (MK < −23; or M* > 5 × 1010 M⊙), supporting the hypothesis that galaxy–galaxy or galaxy–group interactions quench star formation in low-mass galaxies. The local bright galaxy density for our sample is ρproj = 8.2 ± 2.0 Mpc−2, compared to ρproj = 2.1 ± 0.4 Mpc−2 for a star-forming comparison sample, confirming that the quenched low-mass galaxies are preferentially found in higher density environments.",
keywords = "uploaded-in-3-months-elsewhere",
author = "Samantha Penny and Karen Masters and Anne-Marie Weijmans and Kyle Westfall and Matthew Bershady and Kevin Bundy and Niv Drory and Jesus Falcon-Barroso and David Law and Bob Nichol and Daniel Thomas and Dmitry Bizyaev and Joel Brownstein and Gordon Freischlad and Patrick Gaulme and Katie Grabowski and Karen Kinemuchi and Elena Malanushenko and Viktor Malanushenko and Oravetz, {Daniel J.} and Alexandre Roman-Lopes and Kaike Pan and Simmons, {Audrey E.} and Wake, {David A.}",
year = "2016",
month = nov,
day = "11",
doi = "10.1093/mnras/stw1913",
language = "English",
volume = "462",
pages = "3955--3978",
journal = "MNRAS",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "4",

}

RIS

TY - JOUR

T1 - SDSS-IV MaNGA

T2 - faint quenched galaxies – I. Sample selection and evidence for environmental quenching

AU - Penny, Samantha

AU - Masters, Karen

AU - Weijmans, Anne-Marie

AU - Westfall, Kyle

AU - Bershady, Matthew

AU - Bundy, Kevin

AU - Drory, Niv

AU - Falcon-Barroso, Jesus

AU - Law, David

AU - Nichol, Bob

AU - Thomas, Daniel

AU - Bizyaev, Dmitry

AU - Brownstein, Joel

AU - Freischlad, Gordon

AU - Gaulme, Patrick

AU - Grabowski, Katie

AU - Kinemuchi, Karen

AU - Malanushenko, Elena

AU - Malanushenko, Viktor

AU - Oravetz, Daniel J.

AU - Roman-Lopes, Alexandre

AU - Pan, Kaike

AU - Simmons, Audrey E.

AU - Wake, David A.

PY - 2016/11/11

Y1 - 2016/11/11

N2 - Using kinematic maps from the Sloan Digital Sky Survey (SDSS) Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, we reveal that the majority of low-mass quenched galaxies exhibit coherent rotation in their stellar kinematics. Our sample includes all 39 quenched low-mass galaxies observed in the first year of MaNGA. The galaxies are selected with Mr > −19.1, stellar masses 109 M⊙ < M* < 5 × 109 M⊙, EWHα < 2 Å, and all have red colours (u − r) > 1.9. They lie on the size–magnitude and σ–luminosity relations for previously studied dwarf galaxies. Just six (15 ± 5.7 per cent) are found to have rotation speeds ve, rot < 15 km s−1 at ∼1 Re, and may be dominated by pressure support at all radii. Two galaxies in our sample have kinematically distinct cores in their stellar component, likely the result of accretion. Six contain ionized gas despite not hosting ongoing star formation, and this gas is typically kinematically misaligned from their stellar component. This is the first large-scale Integral Field Unit (IFU) study of low-mass galaxies selected without bias against low-density environments. Nevertheless, we find the majority of these galaxies are within ∼1.5 Mpc of a bright neighbour (MK < −23; or M* > 5 × 1010 M⊙), supporting the hypothesis that galaxy–galaxy or galaxy–group interactions quench star formation in low-mass galaxies. The local bright galaxy density for our sample is ρproj = 8.2 ± 2.0 Mpc−2, compared to ρproj = 2.1 ± 0.4 Mpc−2 for a star-forming comparison sample, confirming that the quenched low-mass galaxies are preferentially found in higher density environments.

AB - Using kinematic maps from the Sloan Digital Sky Survey (SDSS) Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey, we reveal that the majority of low-mass quenched galaxies exhibit coherent rotation in their stellar kinematics. Our sample includes all 39 quenched low-mass galaxies observed in the first year of MaNGA. The galaxies are selected with Mr > −19.1, stellar masses 109 M⊙ < M* < 5 × 109 M⊙, EWHα < 2 Å, and all have red colours (u − r) > 1.9. They lie on the size–magnitude and σ–luminosity relations for previously studied dwarf galaxies. Just six (15 ± 5.7 per cent) are found to have rotation speeds ve, rot < 15 km s−1 at ∼1 Re, and may be dominated by pressure support at all radii. Two galaxies in our sample have kinematically distinct cores in their stellar component, likely the result of accretion. Six contain ionized gas despite not hosting ongoing star formation, and this gas is typically kinematically misaligned from their stellar component. This is the first large-scale Integral Field Unit (IFU) study of low-mass galaxies selected without bias against low-density environments. Nevertheless, we find the majority of these galaxies are within ∼1.5 Mpc of a bright neighbour (MK < −23; or M* > 5 × 1010 M⊙), supporting the hypothesis that galaxy–galaxy or galaxy–group interactions quench star formation in low-mass galaxies. The local bright galaxy density for our sample is ρproj = 8.2 ± 2.0 Mpc−2, compared to ρproj = 2.1 ± 0.4 Mpc−2 for a star-forming comparison sample, confirming that the quenched low-mass galaxies are preferentially found in higher density environments.

KW - uploaded-in-3-months-elsewhere

UR - https://research-repository.st-andrews.ac.uk/handle/10023/9354

U2 - 10.1093/mnras/stw1913

DO - 10.1093/mnras/stw1913

M3 - Article

VL - 462

SP - 3955

EP - 3978

JO - MNRAS

JF - MNRAS

SN - 0035-8711

IS - 4

ER -

ID: 4926000