Dust emission from high-redshift QSOs

C. L. Carilli, F. Bertoldi, K. M. Menten, M. P. Rupen, E. Kreysa, Xiaohui Fan, Michael A. Strauss, Donald P. Schneider, A. Bertarini, M. S. Yun, R. Zylka

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We present detections of emission at 250 GHz (1.2 mm) from two high-redshift QSOs from the Sloan Digital Sky Survey sample using the bolometer array at the IRAM 30 m telescope. The sources are SDSSp 015048.83 + 004126.2 at z = 3.7 and SDSSp J033829.31 + 002156.3 at z = 5.0; the latter is the third highest redshift QSO known and the highest redshift millimeter-emitting source yet identified. We also present deep radio continuum imaging of these two sources at 1.4 GHz using the Very Large Array. The combination of centimeter and millimeter observations indicate that the 250 GHz emission is most likely thermal dust emission, with implied dust masses ≈ 108 M ⊙. We consider possible dust heating mechanisms, including UV emission from the active galactic nucleus (AGN) and a massive starburst concurrent with the AGN, with implied star formation rates greater than 103 M ⊙ yr-1.

Original languageEnglish (US)
JournalAstrophysical Journal
Volume533
Issue number1 PART 2
StatePublished - Apr 10 2000
Externally publishedYes

Fingerprint

quasars
dust
active galactic nuclei
Very Large Array (VLA)
bolometers
star formation rate
telescopes
radio
continuums
heating

Keywords

  • Dust, extinction
  • Galaxies: active
  • Galaxies: evolution
  • Galaxies: starburst
  • Infrared: galaxies
  • Radio continuum: galaxies

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Carilli, C. L., Bertoldi, F., Menten, K. M., Rupen, M. P., Kreysa, E., Fan, X., ... Zylka, R. (2000). Dust emission from high-redshift QSOs. Astrophysical Journal, 533(1 PART 2).

Dust emission from high-redshift QSOs. / Carilli, C. L.; Bertoldi, F.; Menten, K. M.; Rupen, M. P.; Kreysa, E.; Fan, Xiaohui; Strauss, Michael A.; Schneider, Donald P.; Bertarini, A.; Yun, M. S.; Zylka, R.

In: Astrophysical Journal, Vol. 533, No. 1 PART 2, 10.04.2000.

Research output: Contribution to journalArticle

Carilli, CL, Bertoldi, F, Menten, KM, Rupen, MP, Kreysa, E, Fan, X, Strauss, MA, Schneider, DP, Bertarini, A, Yun, MS & Zylka, R 2000, 'Dust emission from high-redshift QSOs', Astrophysical Journal, vol. 533, no. 1 PART 2.
Carilli CL, Bertoldi F, Menten KM, Rupen MP, Kreysa E, Fan X et al. Dust emission from high-redshift QSOs. Astrophysical Journal. 2000 Apr 10;533(1 PART 2).
Carilli, C. L. ; Bertoldi, F. ; Menten, K. M. ; Rupen, M. P. ; Kreysa, E. ; Fan, Xiaohui ; Strauss, Michael A. ; Schneider, Donald P. ; Bertarini, A. ; Yun, M. S. ; Zylka, R. / Dust emission from high-redshift QSOs. In: Astrophysical Journal. 2000 ; Vol. 533, No. 1 PART 2.
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AU - Fan, Xiaohui

AU - Strauss, Michael A.

AU - Schneider, Donald P.

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AU - Yun, M. S.

AU - Zylka, R.

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N2 - We present detections of emission at 250 GHz (1.2 mm) from two high-redshift QSOs from the Sloan Digital Sky Survey sample using the bolometer array at the IRAM 30 m telescope. The sources are SDSSp 015048.83 + 004126.2 at z = 3.7 and SDSSp J033829.31 + 002156.3 at z = 5.0; the latter is the third highest redshift QSO known and the highest redshift millimeter-emitting source yet identified. We also present deep radio continuum imaging of these two sources at 1.4 GHz using the Very Large Array. The combination of centimeter and millimeter observations indicate that the 250 GHz emission is most likely thermal dust emission, with implied dust masses ≈ 108 M ⊙. We consider possible dust heating mechanisms, including UV emission from the active galactic nucleus (AGN) and a massive starburst concurrent with the AGN, with implied star formation rates greater than 103 M ⊙ yr-1.

AB - We present detections of emission at 250 GHz (1.2 mm) from two high-redshift QSOs from the Sloan Digital Sky Survey sample using the bolometer array at the IRAM 30 m telescope. The sources are SDSSp 015048.83 + 004126.2 at z = 3.7 and SDSSp J033829.31 + 002156.3 at z = 5.0; the latter is the third highest redshift QSO known and the highest redshift millimeter-emitting source yet identified. We also present deep radio continuum imaging of these two sources at 1.4 GHz using the Very Large Array. The combination of centimeter and millimeter observations indicate that the 250 GHz emission is most likely thermal dust emission, with implied dust masses ≈ 108 M ⊙. We consider possible dust heating mechanisms, including UV emission from the active galactic nucleus (AGN) and a massive starburst concurrent with the AGN, with implied star formation rates greater than 103 M ⊙ yr-1.

KW - Dust, extinction

KW - Galaxies: active

KW - Galaxies: evolution

KW - Galaxies: starburst

KW - Infrared: galaxies

KW - Radio continuum: galaxies

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