Answers are grounded in this paper and cite their sources.
The IRAM Plateau de Bure mm interferometer and deep K-band imaging have been used to identify the brightest submm source detected in the Lockman field of the UK 8 mJy SCUBA survey. The near infrared counterpart is an extended (20-30 kpc), clumpy, and extremely red object. The spectral energy distribution suggests it to be a dusty star forming object at a redshift of about 3 (2-4). Its star formation rate and near-infrared properties are consistent with Lockman 850.1 being a massive elliptical in formation.
No takes yet. Share an insight, caveat, or question.
Lutz et al. (2001) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: