BR1202–0725: an extreme multiple merger at z = 4.7

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Volume 545 (September 2012)

A&A, 545 (2012) A57

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Table 1

Source positions and sizes.

	RA	Dec	Δθ from	Source
Source	12^h05^m	−07°42′	SE-1.3 mm	size	Refs.
	(J2000)	(J2000)	continuum	(FWHM)

SE galaxy:
SE 1.3 mm continuum	23.129^s ± 0.002^s	32.74″ ± 0.03″	0.0″	0.52″ ± 0.06″	1
Chandra X-ray catalog	23.130^s ± 0.02^s	32.74″ ± 0.3″	0.0″	–	2
CO(2–1) SE (nw subpeak)	23.122^s ± 0.003^s	32.71″ ± 0.05″	0.1″	≤0.25″	3
CO(2–1) SE (se subpeak)	23.134^s ± 0.003^s	32.92″ ± 0.05″	0.1″	≤0.25″	3
CO(5–4) SE centroid	23.130^s ± 0.002^s	32.94″ ± 0.06″	0.2″	0.5″ ± 0.1″	1
1.4 GHz nonthermal SE source	23.1167^s ± 0.04^s	33.109″ ± 0.3″	0.42″	0.30″ × 0.17″, 130°	4

NW galaxy:
NW 1.3 mm continuum	22.978^s ± 0.002^s	29.79″ ± 0.03″	3.7″	0.26″ ± 0.04″	1
CO(2–1) NW	22.975^s ± 0.003^s	29.85″ ± 0.05″	3.7″	≥ 0.5″	3
CO(5–4) NW centroid	22.971^s ± 0.004^s	29.67″ ± 0.06″	3.8″	0.7″ ± 0.1″	1
1.4 GHz nonthermal NW source	22.977^s ± 0.04^s	29.750″ ± 0.3″	3.7″	0.29″ × 0.17″, 115°	4

Notes. Position refs.: (1) This paper: our positions and sizes are from uv-fits to circular Gaussian models, and our absolute astrometric accuracy is 0.1″; (2) Evans et al. (2010); (3) Carilli et al. (2002); (4) Momjian et al. (2005).

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