Spectroscopic observations of PHz G237.01+42.50: A galaxy protocluster at z = 2.16 in the Cosmos field

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Volume 654 (October 2021)

A&A, 654 (2021) A121

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Table 1.

Number of SPIRE sources and total flux density in the G237 PHz area.

N SPIRE in PHz area ^(a)				PHz area ^(b)	Planck S₃₅₀^(c)	SPIRE ∑S₃₅₀^(d)	Planck S₅₅₀^(c)	SPIRE ∑S₅₀₀^(d)
xID	350 μm	500 μm	red	(arcmin²)	(mJy)	(mJy)	(mJy)	(mJy)
46	14	9	13	29.5	518 ± 42	722 ± 45	349 ± 34	404 ± 35

Notes.

^(a)

The number of xID, 350 μm, and 500 μm sources in the PHz designate the number of SPIRE sources with at least one 3σ detection in any band, at 350 μm, or at 500 μm, respectively. The red sources are the xID sources with red sub-mm colors (i.e., S_350 μm/S_250 μm > 0.7 and S_500 μm/S_350 μm ≥ 0.6).

^(b)

The PHz area is defined as all adjacent pixels with a value above 50% of the maximum value in the RX map (see text).

^(c)

The Planck flux densities, Planck S_λ, have been computed by adding the flux density values of all pixels within the PHz area.

^(d)

The SPIRE flux densities have been computed by adding the flux density of all xID sources within the same region.

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