The ALMA-CRISTAL survey - Discovery of a 15 kpc-long gas plume in a z = 4.54 Lyman-α blob

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Volume 689 (September 2024)

A&A, 689 (2024) A145

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Table 2.

Results of the parametric 2D fitting of exponential profiles to the 160 μm continuum and [C II] line maps of the DSFG.

Property	Value
160μmcontinuum
Center (RA)	10^h00^m54.49129^s ± 0.00002^s
Center (Dec)	$2 ° 34^{'} 36 \overset{″}{.} 120 \pm 0 \overset{″}{.} 0002$ $2^\circ 34^\prime36{{\overset{\prime\prime}{.}}}120\,\pm\,0{{\overset{\prime\prime}{.}}}0002$
R_eff [pkpc]	0.740 ± 0.003
Sérsic index (n)	1.29 ± 0.01
Axis ratio (minor/major)	0.400 ± 0.002
Flux density [mJy]	8.03 ± 0.03
PA [degrees]	57.8 ± 0.1

[CII] emission
Center (RA)	10^h00^m54.4904^s ± 0.0003^s
Center (Dec)	$2 ° 34^{'} 36 \overset{″}{.} 140 \pm 0 \overset{″}{.} 005$ $2^\circ 34^\prime 36{{\overset{\prime\prime}{.}}}140\,\pm\,0{{\overset{\prime\prime}{.}}}005$
R_eff [pkpc]	1.13 ± 0.04
Sérsic index (n)	0.71 ± 0.08
Axis ratio (minor/major)	0.34 ± 0.01
Integrated flux [Jy km s⁻¹]	7.8 ± 0.3
PA [degrees]	57.4 ± 0.8

Notes. Radii are circularized and given in physical kiloparsecs (pkpc).

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