AzTEC/ASTE 1.1 mm Deep surveys: Number counts and clustering of millimeter-bright galaxies

B. Hatsukade, K. Kohno, I. Aretxaga, J. E. Austermann, H. Ezawa, D. H. Hughes, S. Ikarashi, D. Iono, R. Kawabe, H. Matsuo, S. Matsuura, K. Nakanishi, T. Oshima, T. Perera, K. S. Scott, M. Shirahata, T. T. Takeuchi, Y. Tamura, Kunihiko Tanaka, T. TosakiG. W. Wilson, M. S. Yun

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We present number counts and clustering properties of millimeter-bright galaxies uncovered by the AzTEC camera mounted on the Atacama Submillimeter Telescope Experiment (ASTE). We surveyed the AKARI Deep Field South (ADF-S), the Subaru/XMM Newton Deep Field (SXDF), and the SSA22 fields with an area of ∼ 0.25 deg2 each with an rms noise level of ∼0.4-1.0 mJy We constructed differential and cumulative number counts, which provide currently the tightest constraints on the faint end. The integration of the best-fit number counts in the ADF-S find that the contribution of 1.1 mm sources with fluxes ≥1 mJy to the cosmic infrared background (CIB) at 1.1 mm is 12-16%, suggesting that the large fraction of the CIB originates from faint sources of which the number counts are not yet constrained. We estimate the cosmic star-formation rate density contributed by 1.1 mm sources with ≥1 mJy using the best-fit number counts in the ADF-S and find that it is lower by about a factor of 5-10 compared to those derived from UV/optically-selected galaxies atz ∼ 2-3. The average mass of dark halos hosting bright 1.1 mm sources was calculated to be 1013-1014Mȯ. Comparison of correlation lengths of 1.1 mm sources with other populations and with a bias evolution model suggests that dark halos hosting bright 1.1 mm sources evolve into systems of clusters at present universe and the 1.1 mm sources residing the dark halos evolve into massive elliptical galaxies located in the center of clusters.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages324-326
Number of pages3
Volume1279
DOIs
Publication statusPublished - 2010
Externally publishedYes
EventInternational Symposium "Deciphering the Ancient Universe with Gamma-Ray Bursts" - Kyoto, Japan
Duration: 2010 Apr 192010 Apr 23

Other

OtherInternational Symposium "Deciphering the Ancient Universe with Gamma-Ray Bursts"
CountryJapan
CityKyoto
Period10/4/1910/4/23

Fingerprint

telescopes
galaxies
halos
elliptical galaxies
XMM-Newton telescope
star formation rate
newton
universe
cameras
estimates

Keywords

  • Galaxies: High-redshift
  • Galaxies: Starburst - Galaxies: Evolution
  • Submillimetre

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Hatsukade, B., Kohno, K., Aretxaga, I., Austermann, J. E., Ezawa, H., Hughes, D. H., ... Yun, M. S. (2010). AzTEC/ASTE 1.1 mm Deep surveys: Number counts and clustering of millimeter-bright galaxies. In AIP Conference Proceedings (Vol. 1279, pp. 324-326) https://doi.org/10.1063/1.3509298

AzTEC/ASTE 1.1 mm Deep surveys : Number counts and clustering of millimeter-bright galaxies. / Hatsukade, B.; Kohno, K.; Aretxaga, I.; Austermann, J. E.; Ezawa, H.; Hughes, D. H.; Ikarashi, S.; Iono, D.; Kawabe, R.; Matsuo, H.; Matsuura, S.; Nakanishi, K.; Oshima, T.; Perera, T.; Scott, K. S.; Shirahata, M.; Takeuchi, T. T.; Tamura, Y.; Tanaka, Kunihiko; Tosaki, T.; Wilson, G. W.; Yun, M. S.

AIP Conference Proceedings. Vol. 1279 2010. p. 324-326.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hatsukade, B, Kohno, K, Aretxaga, I, Austermann, JE, Ezawa, H, Hughes, DH, Ikarashi, S, Iono, D, Kawabe, R, Matsuo, H, Matsuura, S, Nakanishi, K, Oshima, T, Perera, T, Scott, KS, Shirahata, M, Takeuchi, TT, Tamura, Y, Tanaka, K, Tosaki, T, Wilson, GW & Yun, MS 2010, AzTEC/ASTE 1.1 mm Deep surveys: Number counts and clustering of millimeter-bright galaxies. in AIP Conference Proceedings. vol. 1279, pp. 324-326, International Symposium "Deciphering the Ancient Universe with Gamma-Ray Bursts", Kyoto, Japan, 10/4/19. https://doi.org/10.1063/1.3509298
Hatsukade B, Kohno K, Aretxaga I, Austermann JE, Ezawa H, Hughes DH et al. AzTEC/ASTE 1.1 mm Deep surveys: Number counts and clustering of millimeter-bright galaxies. In AIP Conference Proceedings. Vol. 1279. 2010. p. 324-326 https://doi.org/10.1063/1.3509298
Hatsukade, B. ; Kohno, K. ; Aretxaga, I. ; Austermann, J. E. ; Ezawa, H. ; Hughes, D. H. ; Ikarashi, S. ; Iono, D. ; Kawabe, R. ; Matsuo, H. ; Matsuura, S. ; Nakanishi, K. ; Oshima, T. ; Perera, T. ; Scott, K. S. ; Shirahata, M. ; Takeuchi, T. T. ; Tamura, Y. ; Tanaka, Kunihiko ; Tosaki, T. ; Wilson, G. W. ; Yun, M. S. / AzTEC/ASTE 1.1 mm Deep surveys : Number counts and clustering of millimeter-bright galaxies. AIP Conference Proceedings. Vol. 1279 2010. pp. 324-326
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abstract = "We present number counts and clustering properties of millimeter-bright galaxies uncovered by the AzTEC camera mounted on the Atacama Submillimeter Telescope Experiment (ASTE). We surveyed the AKARI Deep Field South (ADF-S), the Subaru/XMM Newton Deep Field (SXDF), and the SSA22 fields with an area of ∼ 0.25 deg2 each with an rms noise level of ∼0.4-1.0 mJy We constructed differential and cumulative number counts, which provide currently the tightest constraints on the faint end. The integration of the best-fit number counts in the ADF-S find that the contribution of 1.1 mm sources with fluxes ≥1 mJy to the cosmic infrared background (CIB) at 1.1 mm is 12-16{\%}, suggesting that the large fraction of the CIB originates from faint sources of which the number counts are not yet constrained. We estimate the cosmic star-formation rate density contributed by 1.1 mm sources with ≥1 mJy using the best-fit number counts in the ADF-S and find that it is lower by about a factor of 5-10 compared to those derived from UV/optically-selected galaxies atz ∼ 2-3. The average mass of dark halos hosting bright 1.1 mm sources was calculated to be 1013-1014Mȯ. Comparison of correlation lengths of 1.1 mm sources with other populations and with a bias evolution model suggests that dark halos hosting bright 1.1 mm sources evolve into systems of clusters at present universe and the 1.1 mm sources residing the dark halos evolve into massive elliptical galaxies located in the center of clusters.",
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T2 - Number counts and clustering of millimeter-bright galaxies

AU - Hatsukade, B.

AU - Kohno, K.

AU - Aretxaga, I.

AU - Austermann, J. E.

AU - Ezawa, H.

AU - Hughes, D. H.

AU - Ikarashi, S.

AU - Iono, D.

AU - Kawabe, R.

AU - Matsuo, H.

AU - Matsuura, S.

AU - Nakanishi, K.

AU - Oshima, T.

AU - Perera, T.

AU - Scott, K. S.

AU - Shirahata, M.

AU - Takeuchi, T. T.

AU - Tamura, Y.

AU - Tanaka, Kunihiko

AU - Tosaki, T.

AU - Wilson, G. W.

AU - Yun, M. S.

PY - 2010

Y1 - 2010

N2 - We present number counts and clustering properties of millimeter-bright galaxies uncovered by the AzTEC camera mounted on the Atacama Submillimeter Telescope Experiment (ASTE). We surveyed the AKARI Deep Field South (ADF-S), the Subaru/XMM Newton Deep Field (SXDF), and the SSA22 fields with an area of ∼ 0.25 deg2 each with an rms noise level of ∼0.4-1.0 mJy We constructed differential and cumulative number counts, which provide currently the tightest constraints on the faint end. The integration of the best-fit number counts in the ADF-S find that the contribution of 1.1 mm sources with fluxes ≥1 mJy to the cosmic infrared background (CIB) at 1.1 mm is 12-16%, suggesting that the large fraction of the CIB originates from faint sources of which the number counts are not yet constrained. We estimate the cosmic star-formation rate density contributed by 1.1 mm sources with ≥1 mJy using the best-fit number counts in the ADF-S and find that it is lower by about a factor of 5-10 compared to those derived from UV/optically-selected galaxies atz ∼ 2-3. The average mass of dark halos hosting bright 1.1 mm sources was calculated to be 1013-1014Mȯ. Comparison of correlation lengths of 1.1 mm sources with other populations and with a bias evolution model suggests that dark halos hosting bright 1.1 mm sources evolve into systems of clusters at present universe and the 1.1 mm sources residing the dark halos evolve into massive elliptical galaxies located in the center of clusters.

AB - We present number counts and clustering properties of millimeter-bright galaxies uncovered by the AzTEC camera mounted on the Atacama Submillimeter Telescope Experiment (ASTE). We surveyed the AKARI Deep Field South (ADF-S), the Subaru/XMM Newton Deep Field (SXDF), and the SSA22 fields with an area of ∼ 0.25 deg2 each with an rms noise level of ∼0.4-1.0 mJy We constructed differential and cumulative number counts, which provide currently the tightest constraints on the faint end. The integration of the best-fit number counts in the ADF-S find that the contribution of 1.1 mm sources with fluxes ≥1 mJy to the cosmic infrared background (CIB) at 1.1 mm is 12-16%, suggesting that the large fraction of the CIB originates from faint sources of which the number counts are not yet constrained. We estimate the cosmic star-formation rate density contributed by 1.1 mm sources with ≥1 mJy using the best-fit number counts in the ADF-S and find that it is lower by about a factor of 5-10 compared to those derived from UV/optically-selected galaxies atz ∼ 2-3. The average mass of dark halos hosting bright 1.1 mm sources was calculated to be 1013-1014Mȯ. Comparison of correlation lengths of 1.1 mm sources with other populations and with a bias evolution model suggests that dark halos hosting bright 1.1 mm sources evolve into systems of clusters at present universe and the 1.1 mm sources residing the dark halos evolve into massive elliptical galaxies located in the center of clusters.

KW - Galaxies: High-redshift

KW - Galaxies: Starburst - Galaxies: Evolution

KW - Submillimetre

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