Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...488l..67w&link_type=abstract
Astrophysical Journal Letters v.488, p.L67
Astronomy and Astrophysics
Astronomy
23
Galaxies: Evolution, Radio Continuum: Galaxies
Scientific paper
We present a continuum survey of the Hubble Deep Field at a wavelength of 2.8 mm made with the BIMA array. A mosaic of seven pointings was constructed to span the entire 4.'7 x 4.'7 area observed by the Hubble Space Telescope with 4."7 resolution and a nearly uniform 0.71 mJy rms sensitivity. No significant sources of emission were found (>5 sigma ). We use these observations to place limits on the presence of far-infrared emission from dusty star-forming galaxies at high redshifts. The most stringent limits apply for a critically closed universe ( Omega 0=1 ), dust temperatures typical of nearby starbursts (40 K), and long-wavelength dust emissivity power-law index beta =1 . For these parameters, the data rule out systems at z>5 with far-infrared luminosities in excess of 1.3x1013 Lsolar. The lack of a large population of such luminous systems supports the view that galaxies are assembled in a hierarchical fashion instead of forming the bulk of their stars in single bursts of short duration. For an open universe and/or substantially higher dust temperatures, the limits are higher by an order of magnitude or more and allow for undetected massive starbursts.
Wilner David J.
Wright Mel C. H.
No associations
LandOfFree
A 2.8 Millimeter Survey of the Hubble Deep Field does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A 2.8 Millimeter Survey of the Hubble Deep Field, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A 2.8 Millimeter Survey of the Hubble Deep Field will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1769824