GRAPES, grism spectroscopy of the hubble ultra deep field: Description and data reduction
Pirzkal N, Xu C, Malhotra S, Rhoads JE, Koekemoer AM, Moustakas LA, Walsh JR, Windhorst RA, Daddi E, Cimatti A, Ferguson HC, Gardner JP, Gronwall C, Haiman Z, Kummel M, Panagia N, Pasquali A, Stiavelli M, di Serego Alighieri S, Tsvetanov Z, Vernet J, Yan H. 2004. GRAPES, grism spectroscopy of the hubble ultra deep field: Description and data reduction. The Astrophysical Journal Supplement Series. 154(2), 501–508.
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Author
Pirzkal, N.;
Xu, C.;
Malhotra, S.;
Rhoads, J. E.;
Koekemoer, A. M.;
Moustakas, L. A.;
Walsh, J. R.;
Windhorst, R. A.;
Daddi, E.;
Cimatti, A.;
Ferguson, H. C.;
Gardner, Jonathan P.
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All
Abstract
We present deep unbiased spectroscopy of the Hubble Ultra Deep Field (UDF) carried out using the slitless grism spectroscopy mode of the Advance Camera for Surveys on the Hubble Space Telescope (HST). The GRIsm ACS Program for Extragalactic Science (GRAPES) achieves continuum detection as faint as zAB=27.2 using 40 orbits (9.2×10^4 seconds) on HST. The data were taken at four orientation angles to correct for the overlap of spectra. GRAPES data provide a unique, uninterrupted, low resolution (R=100) spectral coverage for 5500Å<λ<10500Å, and allow us to detect high redshift galaxies at 4<z<7 whether they have $\lya$ lines or just show the Lyman Break, as well as find low luminosity AGNs in an unbiased fashion. This paper describes in detail the observations and the data reduction, and examines the quality of the extracted spectra. Subsequent papers will deal with the analysis of the data. The extracted and calibrated GRAPES spectra will be available from MAST at STScI.
Publishing Year
Date Published
2004-10-01
Journal Title
The Astrophysical Journal Supplement Series
Volume
154
Issue
2
Page
501-508
IST-REx-ID
Cite this
Pirzkal N, Xu C, Malhotra S, et al. GRAPES, grism spectroscopy of the hubble ultra deep field: Description and data reduction. The Astrophysical Journal Supplement Series. 2004;154(2):501-508. doi:10.1086/422582
Pirzkal, N., Xu, C., Malhotra, S., Rhoads, J. E., Koekemoer, A. M., Moustakas, L. A., … Yan, H. (2004). GRAPES, grism spectroscopy of the hubble ultra deep field: Description and data reduction. The Astrophysical Journal Supplement Series. American Astronomical Society. https://doi.org/10.1086/422582
Pirzkal, N., C. Xu, S. Malhotra, J. E. Rhoads, A. M. Koekemoer, L. A. Moustakas, J. R. Walsh, et al. “GRAPES, Grism Spectroscopy of the Hubble Ultra Deep Field: Description and Data Reduction.” The Astrophysical Journal Supplement Series. American Astronomical Society, 2004. https://doi.org/10.1086/422582.
N. Pirzkal et al., “GRAPES, grism spectroscopy of the hubble ultra deep field: Description and data reduction,” The Astrophysical Journal Supplement Series, vol. 154, no. 2. American Astronomical Society, pp. 501–508, 2004.
Pirzkal N, Xu C, Malhotra S, Rhoads JE, Koekemoer AM, Moustakas LA, Walsh JR, Windhorst RA, Daddi E, Cimatti A, Ferguson HC, Gardner JP, Gronwall C, Haiman Z, Kummel M, Panagia N, Pasquali A, Stiavelli M, di Serego Alighieri S, Tsvetanov Z, Vernet J, Yan H. 2004. GRAPES, grism spectroscopy of the hubble ultra deep field: Description and data reduction. The Astrophysical Journal Supplement Series. 154(2), 501–508.
Pirzkal, N., et al. “GRAPES, Grism Spectroscopy of the Hubble Ultra Deep Field: Description and Data Reduction.” The Astrophysical Journal Supplement Series, vol. 154, no. 2, American Astronomical Society, 2004, pp. 501–08, doi:10.1086/422582.
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