A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma

S. Hickinbottom; C.J. Simpson; P.A. James; E. Ibar; D. Carter; A. Boselli; C.A. Collins; J.I. Davies; L. Dunne; S. Eales; C. Fuller; B. Mobasher; R.F. Peletier; S. Phillipps; Daniel Smith; R.J. Smith; E.A. Valentijn

doi:10.1093/mnras/stu924

A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma

S. Hickinbottom, C.J. Simpson, P.A. James, E. Ibar, D. Carter, A. Boselli, C.A. Collins, J.I. Davies, L. Dunne, S. Eales, C. Fuller, B. Mobasher, R.F. Peletier, S. Phillipps, Daniel Smith, R.J. Smith, E.A. Valentijn

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Abstract

We present new deep images of the Coma Cluster from the ESA Herschel Space Observatory at wavelengths of 70, 100 and 160 μm, covering an area of 1.75 × 1.0 square degrees encompassing the core and south-west infall region. Our data display an excess of sources at flux densities above 100 mJy compared to blank-field surveys, as expected. We use extensive optical spectroscopy of this region to identify cluster members and hence produce cluster luminosity functions in all three photometric bands. We compare our results to the local field galaxy luminosity function, and the luminosity functions from the Herschel Virgo Cluster Survey. We find consistency between the shapes of the Coma and field galaxy luminosity functions at all three wavelengths; however, we do not find the same level of agreement with that of the Virgo Cluster

Original language	English
Pages (from-to)	1286-1293
Number of pages	8
Journal	Monthly Notices of the Royal Astronomical Society
Volume	442
Issue number	2
Early online date	11 Jun 2014
DOIs	https://doi.org/10.1093/mnras/stu924
Publication status	Published - 1 Aug 2014

Keywords

galaxies: clusters: individual: Coma, galaxies: luminosity function, mass function, infrared: galaxies

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10.1093/mnras/stu924

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Hickinbottom, S., Simpson, C. J., James, P. A., Ibar, E., Carter, D., Boselli, A., Collins, C. A., Davies, J. I., Dunne, L., Eales, S., Fuller, C., Mobasher, B., Peletier, R. F., Phillipps, S., Smith, D., Smith, R. J., & Valentijn, E. A. (2014). A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma. Monthly Notices of the Royal Astronomical Society, 442(2), 1286-1293. https://doi.org/10.1093/mnras/stu924

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title = "A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma",

abstract = "We present new deep images of the Coma Cluster from the ESA Herschel Space Observatory at wavelengths of 70, 100 and 160 μm, covering an area of 1.75 × 1.0 square degrees encompassing the core and south-west infall region. Our data display an excess of sources at flux densities above 100 mJy compared to blank-field surveys, as expected. We use extensive optical spectroscopy of this region to identify cluster members and hence produce cluster luminosity functions in all three photometric bands. We compare our results to the local field galaxy luminosity function, and the luminosity functions from the Herschel Virgo Cluster Survey. We find consistency between the shapes of the Coma and field galaxy luminosity functions at all three wavelengths; however, we do not find the same level of agreement with that of the Virgo Cluster",

keywords = "galaxies: clusters: individual: Coma, galaxies: luminosity function, mass function, infrared: galaxies",

author = "S. Hickinbottom and C.J. Simpson and P.A. James and E. Ibar and D. Carter and A. Boselli and C.A. Collins and J.I. Davies and L. Dunne and S. Eales and C. Fuller and B. Mobasher and R.F. Peletier and S. Phillipps and Daniel Smith and R.J. Smith and E.A. Valentijn",

note = "Date of Acceptance: 06/05/2014",

year = "2014",

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doi = "10.1093/mnras/stu924",

language = "English",

volume = "442",

pages = "1286--1293",

journal = "Monthly Notices of the Royal Astronomical Society",

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Hickinbottom, S, Simpson, CJ, James, PA, Ibar, E, Carter, D, Boselli, A, Collins, CA, Davies, JI, Dunne, L, Eales, S, Fuller, C, Mobasher, B, Peletier, RF, Phillipps, S, Smith, D, Smith, RJ & Valentijn, EA 2014, 'A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma', Monthly Notices of the Royal Astronomical Society, vol. 442, no. 2, pp. 1286-1293. https://doi.org/10.1093/mnras/stu924

TY - JOUR

T1 - A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma

AU - Hickinbottom, S.

AU - Simpson, C.J.

AU - James, P.A.

AU - Ibar, E.

AU - Carter, D.

AU - Boselli, A.

AU - Collins, C.A.

AU - Davies, J.I.

AU - Dunne, L.

AU - Eales, S.

AU - Fuller, C.

AU - Mobasher, B.

AU - Peletier, R.F.

AU - Phillipps, S.

AU - Smith, Daniel

AU - Smith, R.J.

AU - Valentijn, E.A.

N1 - Date of Acceptance: 06/05/2014

PY - 2014/8/1

Y1 - 2014/8/1

N2 - We present new deep images of the Coma Cluster from the ESA Herschel Space Observatory at wavelengths of 70, 100 and 160 μm, covering an area of 1.75 × 1.0 square degrees encompassing the core and south-west infall region. Our data display an excess of sources at flux densities above 100 mJy compared to blank-field surveys, as expected. We use extensive optical spectroscopy of this region to identify cluster members and hence produce cluster luminosity functions in all three photometric bands. We compare our results to the local field galaxy luminosity function, and the luminosity functions from the Herschel Virgo Cluster Survey. We find consistency between the shapes of the Coma and field galaxy luminosity functions at all three wavelengths; however, we do not find the same level of agreement with that of the Virgo Cluster

AB - We present new deep images of the Coma Cluster from the ESA Herschel Space Observatory at wavelengths of 70, 100 and 160 μm, covering an area of 1.75 × 1.0 square degrees encompassing the core and south-west infall region. Our data display an excess of sources at flux densities above 100 mJy compared to blank-field surveys, as expected. We use extensive optical spectroscopy of this region to identify cluster members and hence produce cluster luminosity functions in all three photometric bands. We compare our results to the local field galaxy luminosity function, and the luminosity functions from the Herschel Virgo Cluster Survey. We find consistency between the shapes of the Coma and field galaxy luminosity functions at all three wavelengths; however, we do not find the same level of agreement with that of the Virgo Cluster

KW - galaxies: clusters: individual: Coma, galaxies: luminosity function, mass function, infrared: galaxies

U2 - 10.1093/mnras/stu924

DO - 10.1093/mnras/stu924

M3 - Article

SN - 0035-8711

VL - 442

SP - 1286

EP - 1293

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 2

ER -

A surprising consistency between the far-infrared galaxy luminosity functions of the field and Coma

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