The acs grism mode and acs grism observations of deep fields and high z ly-α galaxies

Nor Pirzkal, Sangeeta Malhotra, James Rhoads, Chun Xu, Grapes Team

Research output: Contribution to journalArticle

Abstract

The ACS grism mode offers an unprecedented opportunity to obtain slit-less, highly multiplexed, spectroscopic observations down to very faint magnitudes. In this paper, we show that by selecting objects in a deep field based in the spectra of these objects rather than their broad band colors, a more accurate object selection can be performed. The ACS grism mode enabled us to identify faint, young, and low mass (≈106 –108 M) galaxies at 4.0 <z <5.7, that are likely to be the building blocks leading to the assembly of the more massive galaxies that we observed in the present universe.

Original languageEnglish (US)
Pages (from-to)237-241
Number of pages5
JournalAstrophysics and Space Science Proceedings
Issue number202479
DOIs
StatePublished - Jan 1 2010

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galaxies
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broadband
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young

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Computer Science Applications
  • Spectroscopy
  • Space and Planetary Science
  • Nuclear and High Energy Physics

Cite this

The acs grism mode and acs grism observations of deep fields and high z ly-α galaxies. / Pirzkal, Nor; Malhotra, Sangeeta; Rhoads, James; Xu, Chun; Grapes Team.

In: Astrophysics and Space Science Proceedings, No. 202479, 01.01.2010, p. 237-241.

Research output: Contribution to journalArticle

Pirzkal, Nor ; Malhotra, Sangeeta ; Rhoads, James ; Xu, Chun ; Grapes Team. / The acs grism mode and acs grism observations of deep fields and high z ly-α galaxies. In: Astrophysics and Space Science Proceedings. 2010 ; No. 202479. pp. 237-241.
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