Westerbork ultra-deep HI imaging of galaxy clusters at z=0.2

Boris Deshev, Marc Verheijen, J. H. Van Gorkom, A. Szomoru, K. Dwarakanath, B. M. Poggianti, D. Schiminovich, A. Chung, M. Yun, G. Morrison

Research output: Contribution to journalConference article

Abstract

We report here on results from our completed ultra-deep blind HI survey of two galaxy clusters at redshift z=0.2, performed with the Westerbork Synthesis Radio Telescope. The field of the X-ray bright, massive Butcher-Oemler cluster Abell 963 was observed with a total of 117x12hrs integration time. Additionally, Abell 2192 was observed as an example of a more diffuse cluster, at similar distance, with a total of 73x12hrs integration time. In both fields, sampling a total volume of 7x104 Mpc3, the expected noise levels of 19 and 24 µJy/beam respectively, at a velocity resolution of 44km/s, were achieved. These HI measurements are part of a multi-wavelength survey including ultraviolet(GALEX), optical(INT), infrared(Spitzer), and rest frame 1.4 GHz radio-continuum data(WSRT).The goal is to study the gas content of galaxies in various environments at a redshift of 0.2 and in particular the gas content of the blue galaxies that are responsible for the Butcher-Oemler effect in Abell 963.

Original languageEnglish
Article number024
JournalProceedings of Science
Volume89
Publication statusPublished - 2009 Jan 1
Event2009 Panoramic Radio Astronomy: Wide-Field 1-2 GHz Research on Galaxy Evolution, PRA 2009 - Groningen, Netherlands
Duration: 2009 Jun 22009 Jun 5

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galaxies
radio telescopes
gases
sampling
continuums
synthesis
wavelengths
x rays

All Science Journal Classification (ASJC) codes

  • General

Cite this

Deshev, B., Verheijen, M., Van Gorkom, J. H., Szomoru, A., Dwarakanath, K., Poggianti, B. M., ... Morrison, G. (2009). Westerbork ultra-deep HI imaging of galaxy clusters at z=0.2. Proceedings of Science, 89, [024].
Deshev, Boris ; Verheijen, Marc ; Van Gorkom, J. H. ; Szomoru, A. ; Dwarakanath, K. ; Poggianti, B. M. ; Schiminovich, D. ; Chung, A. ; Yun, M. ; Morrison, G. / Westerbork ultra-deep HI imaging of galaxy clusters at z=0.2. In: Proceedings of Science. 2009 ; Vol. 89.
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Deshev, B, Verheijen, M, Van Gorkom, JH, Szomoru, A, Dwarakanath, K, Poggianti, BM, Schiminovich, D, Chung, A, Yun, M & Morrison, G 2009, 'Westerbork ultra-deep HI imaging of galaxy clusters at z=0.2', Proceedings of Science, vol. 89, 024.

Westerbork ultra-deep HI imaging of galaxy clusters at z=0.2. / Deshev, Boris; Verheijen, Marc; Van Gorkom, J. H.; Szomoru, A.; Dwarakanath, K.; Poggianti, B. M.; Schiminovich, D.; Chung, A.; Yun, M.; Morrison, G.

In: Proceedings of Science, Vol. 89, 024, 01.01.2009.

Research output: Contribution to journalConference article

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AU - Deshev, Boris

AU - Verheijen, Marc

AU - Van Gorkom, J. H.

AU - Szomoru, A.

AU - Dwarakanath, K.

AU - Poggianti, B. M.

AU - Schiminovich, D.

AU - Chung, A.

AU - Yun, M.

AU - Morrison, G.

PY - 2009/1/1

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N2 - We report here on results from our completed ultra-deep blind HI survey of two galaxy clusters at redshift z=0.2, performed with the Westerbork Synthesis Radio Telescope. The field of the X-ray bright, massive Butcher-Oemler cluster Abell 963 was observed with a total of 117x12hrs integration time. Additionally, Abell 2192 was observed as an example of a more diffuse cluster, at similar distance, with a total of 73x12hrs integration time. In both fields, sampling a total volume of 7x104 Mpc3, the expected noise levels of 19 and 24 µJy/beam respectively, at a velocity resolution of 44km/s, were achieved. These HI measurements are part of a multi-wavelength survey including ultraviolet(GALEX), optical(INT), infrared(Spitzer), and rest frame 1.4 GHz radio-continuum data(WSRT).The goal is to study the gas content of galaxies in various environments at a redshift of 0.2 and in particular the gas content of the blue galaxies that are responsible for the Butcher-Oemler effect in Abell 963.

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Deshev B, Verheijen M, Van Gorkom JH, Szomoru A, Dwarakanath K, Poggianti BM et al. Westerbork ultra-deep HI imaging of galaxy clusters at z=0.2. Proceedings of Science. 2009 Jan 1;89. 024.