Hierarchical Progressive Survey (HiPS) format: Moving from visualisation to scientific analysis

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Volume 703 (November 2025)

A&A, 703 (2025) A194

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Table 1

Scientific calibration parameters of each skymap.

Band	HiPS pixel scale s_pix [arcsec]	Original pixel scale s₀ [arcsec]	PSF FWHM [arcsec]	Original units	Standardised units [μJy/arcsec²]
GALEX FUV	0.805	1.5	4.2	counts/s/ $s_{0}^{2}$ $\[s_0^2\]$	47.85
GALEX NUV	0.805	1.5	5.3	counts/s/ $s_{0}^{2}$ $\[s_0^2\]$	14.99
SDSS g	0.4025	0.396	1.224	nanomaggies/ $s_{0}^{2}$ $\[s_0^2\]$	23.20
SDSS r	0.4025	0.396	1.122	nanomaggies/ $s_{0}^{2}$ $\[s_0^2\]$	23.20
SDSS i	0.4025	0.396	1.071	nanomaggies/ $s_{0}^{2}$ $\[s_0^2\]$	23.20
Herschel-PACS 100	0.805	1.6	6.9	Jy/ $s_{0}^{2}$ $\[s_0^2\]$	390 703
Herschel-PACS 160	0.805	3.2	11.9	Jy/ $s_{0}^{2}$ $\[s_0^2\]$	97 675
Herschel-SPIRE 250	3.221	6	18.1	MJy/sr	23.50
Herschel-SPIRE 350	6.440	10	25.2	MJy/sr	23.50
Herschel-SPIRE 500	12.88	14	36.6	MJy/sr	23.50

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