The original analysis of the star formation history in the NICMOS deep images of the northern Hubble Deep Field (NHDF) is extended to the entire NHDF utilizing NICMOS and WFPC2 archival data. The roughly constant star formation rate from redshifts 1-6 found in this study is consistent with the original results. Star formation rates from this study, Lyman break galaxies, and submillimeter observations are now in concordance. The spike of star formation at redshift 2 due to two ultraluminous IR galaxies in the small deep NICMOS field is smoothed out in the larger area results presented here. The larger source base of this study allows comparison with predictions from hierarchical galaxy formation models. In general, the observation are consistent with the predictions. The observed luminosity functions at redshifts 1-6 are presented for future comparisons with theoretical galaxy evolution calculations. Mid- and far-infrared properties of the sources are also calculated and compared with observations. A candidate for the VLA source VLA 3651 + 1221 is discussed.
|Original language||English (US)|
|Number of pages||20|
|Issue number||2 I|
|State||Published - Oct 20 2003|
- Early universe
- Galaxies: distances and redshifts
- Galaxies: evolution
- Galaxies: high-redshift
ASJC Scopus subject areas
- Astronomy and Astrophysics
- Space and Planetary Science
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IR Observations in HDF-North
Thompson, R. I. (Creator), Centre de Donnees Strasbourg (CDS), 2004
DOI: 10.26093/cds/vizier.15960748, https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/596/748