Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies

G. E. Magdis; D. Elbaz; H. S. Hwang; A. Amblard; V. Arumugam; H. Aussel; A. Blain; J. Bock; A. Boselli; V. Buat; N. Castro-Rodríguez; A. Cava; P. Chanial; D. L. Clements; A. Conley; L. Conversi; A. Cooray; C. D. Dowell; E. Dwek; S. Eales; D. Farrah; A. Franceschini; J. Glenn; M. Griffin; M. Halpern; E. Hatziminaoglou; J. Huang; E. Ibar; K. Isaak; E. Le Floc'h; G. Lagache; L. Levenson; C. J. Lonsdale; N. Lu; S. Madden; B. Maffei; G. Mainetti; L. Marchetti; G. E. Morrison; H. T. Nguyen; B. O'Halloran; S. J. Oliver; A. Omont; F. N. Owen; M. J. Page; M. Pannella; P. Panuzzo; A. Papageorgiou; C. P. Pearson; I. Pérez-Fournon; M. Pohlen; D. Rigopoulou; D. Rizzo; I. G. Roseboom; M. Rowan-Robinson; B. Schulz; Douglas Scott; N. Seymour; D. L. Shupe; A. J. Smith; J. A. Stevens; V. Strazzullo; M. Symeonidis; M. Trichas; K. E. Tugwell; M. Vaccari; I. Valtchanov; L. Vigroux; L. Wang; G. Wright; C. K. Xu; M. Zemcov

doi:10.1111/j.1365-2966.2010.17551.x

Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies

G. E. Magdis, D. Elbaz, H. S. Hwang, A. Amblard, V. Arumugam, H. Aussel, A. Blain, J. Bock, A. Boselli, V. Buat, N. Castro-Rodríguez, A. Cava, P. Chanial, D. L. Clements, A. Conley, L. Conversi, A. Cooray, C. D. Dowell, E. Dwek, S. EalesD. Farrah, A. Franceschini, J. Glenn, M. Griffin, M. Halpern, E. Hatziminaoglou, J. Huang, E. Ibar, K. Isaak, E. Le Floc'h, G. Lagache, L. Levenson, C. J. Lonsdale, N. Lu, S. Madden, B. Maffei, G. Mainetti, L. Marchetti, G. E. Morrison, H. T. Nguyen, B. O'Halloran, S. J. Oliver, A. Omont, F. N. Owen, M. J. Page, M. Pannella, P. Panuzzo, A. Papageorgiou, C. P. Pearson, I. Pérez-Fournon, M. Pohlen, D. Rigopoulou, D. Rizzo, I. G. Roseboom, M. Rowan-Robinson, B. Schulz, Douglas Scott, N. Seymour, D. L. Shupe, A. J. Smith, J. A. Stevens, V. Strazzullo, M. Symeonidis, M. Trichas, K. E. Tugwell, M. Vaccari, I. Valtchanov, L. Vigroux, L. Wang, G. Wright, C. K. Xu, M. Zemcov

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Abstract

Using Herschel Photodetector Array Camera (PACS) and Spectral and Photometric Imaging Receiver (SPIRE) observations of Lockman Hole-North and Great Observatories Origins Deep Survey-North (GOODS-N) as part of the Herschel Multi-tiered Extragalactic Survey (HerMES) project, we explore the far-infrared (IR) properties of a sample of mid-IR-selected starburst-dominated ultraluminous infrared galaxies (ULIRGs) at z~ 2. The selection of the sample is based on the detection of the stellar bump that appears in the spectral energy distribution of star-forming galaxies at 1.6 μm. We derive robust estimates of infrared luminosities (LIR) and dust temperatures (Td) of the population and find that while the luminosities in our sample span less than an order of magnitude (12.24 ≤ log(LIR/L·) ≤ 12.94), they cover a wide range of dust temperatures (25 ≤Td≤ 62 K). Galaxies in our sample range from those that are as cold as high-z submillimetre galaxies (SMGs) to those that are as warm as optically faint radio galaxies (OFRGs) and local ULIRGs. Nevertheless, our sample has median Td= 42.3 K, filling the gap between SMGs and OFRGs, bridging the two populations. We demonstrate that a significant fraction of our sample would be missed from ground-based (sub)mm surveys (850-1200 μm), showing that the latter introduce a bias towards the detection of colder sources. We conclude that Herschel observations confirm the existence of high-z ULIRGs warmer than SMGs, show that the mid-IR selection of high-z ULIRGs is not Td dependent, reveal a large dispersion in Td of high-z ULIRGs and provide the means to characterize the bulk of the ULIRG population, free from selection biases introduced by ground-based (sub)mm surveys. © 2010 The Authors. Journal compilation © 2010 RAS.

Original language	English
Pages (from-to)	22-28
Number of pages	6
Journal	Monthly Notices of the Royal Astronomical Society
Volume	409
Issue number	1
DOIs	https://doi.org/10.1111/j.1365-2966.2010.17551.x
Publication status	Published - Nov 2010

Keywords

Cosmology: observations
Galaxies: evolution
Galaxies: high-redshift
Galaxies: starburst
Infrared: galaxies
Submillimetre: galaxies

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10.1111/j.1365-2966.2010.17551.x

http://adsabs.harvard.edu/abs/2010MNRAS.409...22M

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Magdis, G. E., Elbaz, D., Hwang, H. S., Amblard, A., Arumugam, V., Aussel, H., Blain, A., Bock, J., Boselli, A., Buat, V., Castro-Rodríguez, N., Cava, A., Chanial, P., Clements, D. L., Conley, A., Conversi, L., Cooray, A., Dowell, C. D., Dwek, E., ... Zemcov, M. (2010). Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies. Monthly Notices of the Royal Astronomical Society, 409(1), 22-28. https://doi.org/10.1111/j.1365-2966.2010.17551.x

@article{47a3cfc800ff4a7789e2cf346fbf3dad,

title = "Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies",

abstract = "Using Herschel Photodetector Array Camera (PACS) and Spectral and Photometric Imaging Receiver (SPIRE) observations of Lockman Hole-North and Great Observatories Origins Deep Survey-North (GOODS-N) as part of the Herschel Multi-tiered Extragalactic Survey (HerMES) project, we explore the far-infrared (IR) properties of a sample of mid-IR-selected starburst-dominated ultraluminous infrared galaxies (ULIRGs) at z~ 2. The selection of the sample is based on the detection of the stellar bump that appears in the spectral energy distribution of star-forming galaxies at 1.6 μm. We derive robust estimates of infrared luminosities (LIR) and dust temperatures (Td) of the population and find that while the luminosities in our sample span less than an order of magnitude (12.24 ≤ log(LIR/L·) ≤ 12.94), they cover a wide range of dust temperatures (25 ≤Td≤ 62 K). Galaxies in our sample range from those that are as cold as high-z submillimetre galaxies (SMGs) to those that are as warm as optically faint radio galaxies (OFRGs) and local ULIRGs. Nevertheless, our sample has median Td= 42.3 K, filling the gap between SMGs and OFRGs, bridging the two populations. We demonstrate that a significant fraction of our sample would be missed from ground-based (sub)mm surveys (850-1200 μm), showing that the latter introduce a bias towards the detection of colder sources. We conclude that Herschel observations confirm the existence of high-z ULIRGs warmer than SMGs, show that the mid-IR selection of high-z ULIRGs is not Td dependent, reveal a large dispersion in Td of high-z ULIRGs and provide the means to characterize the bulk of the ULIRG population, free from selection biases introduced by ground-based (sub)mm surveys. {\textcopyright} 2010 The Authors. Journal compilation {\textcopyright} 2010 RAS.",

keywords = "Cosmology: observations, Galaxies: evolution, Galaxies: high-redshift, Galaxies: starburst, Infrared: galaxies, Submillimetre: galaxies",

author = "Magdis, {G. E.} and D. Elbaz and Hwang, {H. S.} and A. Amblard and V. Arumugam and H. Aussel and A. Blain and J. Bock and A. Boselli and V. Buat and N. Castro-Rodr{\'i}guez and A. Cava and P. Chanial and Clements, {D. L.} and A. Conley and L. Conversi and A. Cooray and Dowell, {C. D.} and E. Dwek and S. Eales and D. Farrah and A. Franceschini and J. Glenn and M. Griffin and M. Halpern and E. Hatziminaoglou and J. Huang and E. Ibar and K. Isaak and {Le Floc'h}, E. and G. Lagache and L. Levenson and Lonsdale, {C. J.} and N. Lu and S. Madden and B. Maffei and G. Mainetti and L. Marchetti and Morrison, {G. E.} and Nguyen, {H. T.} and B. O'Halloran and Oliver, {S. J.} and A. Omont and Owen, {F. N.} and Page, {M. J.} and M. Pannella and P. Panuzzo and A. Papageorgiou and Pearson, {C. P.} and I. P{\'e}rez-Fournon and M. Pohlen and D. Rigopoulou and D. Rizzo and Roseboom, {I. G.} and M. Rowan-Robinson and B. Schulz and Douglas Scott and N. Seymour and Shupe, {D. L.} and Smith, {A. J.} and Stevens, {J. A.} and V. Strazzullo and M. Symeonidis and M. Trichas and Tugwell, {K. E.} and M. Vaccari and I. Valtchanov and L. Vigroux and L. Wang and G. Wright and Xu, {C. K.} and M. Zemcov",

note = "DOI: 10.1111/j.1365-2966.2010.17551.x; eprintid: arXiv:1007.4900",

year = "2010",

month = nov,

doi = "10.1111/j.1365-2966.2010.17551.x",

language = "English",

volume = "409",

pages = "22--28",

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

issn = "1365-2966",

publisher = "Oxford University Press",

number = "1",

}

Magdis, GE, Elbaz, D, Hwang, HS, Amblard, A, Arumugam, V, Aussel, H, Blain, A, Bock, J, Boselli, A, Buat, V, Castro-Rodríguez, N, Cava, A, Chanial, P, Clements, DL, Conley, A, Conversi, L, Cooray, A, Dowell, CD, Dwek, E, Eales, S, Farrah, D, Franceschini, A, Glenn, J, Griffin, M, Halpern, M, Hatziminaoglou, E, Huang, J, Ibar, E, Isaak, K, Le Floc'h, E, Lagache, G, Levenson, L, Lonsdale, CJ, Lu, N, Madden, S, Maffei, B, Mainetti, G, Marchetti, L, Morrison, GE, Nguyen, HT, O'Halloran, B, Oliver, SJ, Omont, A, Owen, FN, Page, MJ, Pannella, M, Panuzzo, P, Papageorgiou, A, Pearson, CP, Pérez-Fournon, I, Pohlen, M, Rigopoulou, D, Rizzo, D, Roseboom, IG, Rowan-Robinson, M, Schulz, B, Scott, D, Seymour, N, Shupe, DL, Smith, AJ, Stevens, JA, Strazzullo, V, Symeonidis, M, Trichas, M, Tugwell, KE, Vaccari, M, Valtchanov, I, Vigroux, L, Wang, L, Wright, G, Xu, CK & Zemcov, M 2010, 'Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies', Monthly Notices of the Royal Astronomical Society, vol. 409, no. 1, pp. 22-28. https://doi.org/10.1111/j.1365-2966.2010.17551.x

TY - JOUR

T1 - Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies

AU - Magdis, G. E.

AU - Elbaz, D.

AU - Hwang, H. S.

AU - Amblard, A.

AU - Arumugam, V.

AU - Aussel, H.

AU - Blain, A.

AU - Bock, J.

AU - Boselli, A.

AU - Buat, V.

AU - Castro-Rodríguez, N.

AU - Cava, A.

AU - Chanial, P.

AU - Clements, D. L.

AU - Conley, A.

AU - Conversi, L.

AU - Cooray, A.

AU - Dowell, C. D.

AU - Dwek, E.

AU - Eales, S.

AU - Farrah, D.

AU - Franceschini, A.

AU - Glenn, J.

AU - Griffin, M.

AU - Halpern, M.

AU - Hatziminaoglou, E.

AU - Huang, J.

AU - Ibar, E.

AU - Isaak, K.

AU - Le Floc'h, E.

AU - Lagache, G.

AU - Levenson, L.

AU - Lonsdale, C. J.

AU - Lu, N.

AU - Madden, S.

AU - Maffei, B.

AU - Mainetti, G.

AU - Marchetti, L.

AU - Morrison, G. E.

AU - Nguyen, H. T.

AU - O'Halloran, B.

AU - Oliver, S. J.

AU - Omont, A.

AU - Owen, F. N.

AU - Page, M. J.

AU - Pannella, M.

AU - Panuzzo, P.

AU - Papageorgiou, A.

AU - Pearson, C. P.

AU - Pérez-Fournon, I.

AU - Pohlen, M.

AU - Rigopoulou, D.

AU - Rizzo, D.

AU - Roseboom, I. G.

AU - Rowan-Robinson, M.

AU - Schulz, B.

AU - Scott, Douglas

AU - Seymour, N.

AU - Shupe, D. L.

AU - Smith, A. J.

AU - Stevens, J. A.

AU - Strazzullo, V.

AU - Symeonidis, M.

AU - Trichas, M.

AU - Tugwell, K. E.

AU - Vaccari, M.

AU - Valtchanov, I.

AU - Vigroux, L.

AU - Wang, L.

AU - Wright, G.

AU - Xu, C. K.

AU - Zemcov, M.

N1 - DOI: 10.1111/j.1365-2966.2010.17551.x; eprintid: arXiv:1007.4900

PY - 2010/11

Y1 - 2010/11

N2 - Using Herschel Photodetector Array Camera (PACS) and Spectral and Photometric Imaging Receiver (SPIRE) observations of Lockman Hole-North and Great Observatories Origins Deep Survey-North (GOODS-N) as part of the Herschel Multi-tiered Extragalactic Survey (HerMES) project, we explore the far-infrared (IR) properties of a sample of mid-IR-selected starburst-dominated ultraluminous infrared galaxies (ULIRGs) at z~ 2. The selection of the sample is based on the detection of the stellar bump that appears in the spectral energy distribution of star-forming galaxies at 1.6 μm. We derive robust estimates of infrared luminosities (LIR) and dust temperatures (Td) of the population and find that while the luminosities in our sample span less than an order of magnitude (12.24 ≤ log(LIR/L·) ≤ 12.94), they cover a wide range of dust temperatures (25 ≤Td≤ 62 K). Galaxies in our sample range from those that are as cold as high-z submillimetre galaxies (SMGs) to those that are as warm as optically faint radio galaxies (OFRGs) and local ULIRGs. Nevertheless, our sample has median Td= 42.3 K, filling the gap between SMGs and OFRGs, bridging the two populations. We demonstrate that a significant fraction of our sample would be missed from ground-based (sub)mm surveys (850-1200 μm), showing that the latter introduce a bias towards the detection of colder sources. We conclude that Herschel observations confirm the existence of high-z ULIRGs warmer than SMGs, show that the mid-IR selection of high-z ULIRGs is not Td dependent, reveal a large dispersion in Td of high-z ULIRGs and provide the means to characterize the bulk of the ULIRG population, free from selection biases introduced by ground-based (sub)mm surveys. © 2010 The Authors. Journal compilation © 2010 RAS.

AB - Using Herschel Photodetector Array Camera (PACS) and Spectral and Photometric Imaging Receiver (SPIRE) observations of Lockman Hole-North and Great Observatories Origins Deep Survey-North (GOODS-N) as part of the Herschel Multi-tiered Extragalactic Survey (HerMES) project, we explore the far-infrared (IR) properties of a sample of mid-IR-selected starburst-dominated ultraluminous infrared galaxies (ULIRGs) at z~ 2. The selection of the sample is based on the detection of the stellar bump that appears in the spectral energy distribution of star-forming galaxies at 1.6 μm. We derive robust estimates of infrared luminosities (LIR) and dust temperatures (Td) of the population and find that while the luminosities in our sample span less than an order of magnitude (12.24 ≤ log(LIR/L·) ≤ 12.94), they cover a wide range of dust temperatures (25 ≤Td≤ 62 K). Galaxies in our sample range from those that are as cold as high-z submillimetre galaxies (SMGs) to those that are as warm as optically faint radio galaxies (OFRGs) and local ULIRGs. Nevertheless, our sample has median Td= 42.3 K, filling the gap between SMGs and OFRGs, bridging the two populations. We demonstrate that a significant fraction of our sample would be missed from ground-based (sub)mm surveys (850-1200 μm), showing that the latter introduce a bias towards the detection of colder sources. We conclude that Herschel observations confirm the existence of high-z ULIRGs warmer than SMGs, show that the mid-IR selection of high-z ULIRGs is not Td dependent, reveal a large dispersion in Td of high-z ULIRGs and provide the means to characterize the bulk of the ULIRG population, free from selection biases introduced by ground-based (sub)mm surveys. © 2010 The Authors. Journal compilation © 2010 RAS.

KW - Cosmology: observations

KW - Galaxies: evolution

KW - Galaxies: high-redshift

KW - Galaxies: starburst

KW - Infrared: galaxies

KW - Submillimetre: galaxies

U2 - 10.1111/j.1365-2966.2010.17551.x

DO - 10.1111/j.1365-2966.2010.17551.x

M3 - Article

SN - 1365-2966

VL - 409

SP - 22

EP - 28

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 1

ER -

Herschel reveals a Tdust-unbiased selection of z~ 2 ultraluminous infrared galaxies

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Keywords

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