NGC 6705 a young α-enhanced open cluster from OCCASO data

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Table 8

Three datasets of distances and proper motions, assumed in the computation of the birth radius.

Reference	d	μ_α cos δ	μ_δ	R_GC,birth
	(kpc)	(mas yr⁻¹)	(mas yr⁻¹)	(kpc)
data1ⁱ	1.754	− 1.93 ± 0.39	− 4.88 ± 0.42	7.0 ± 0.1
data2ⁱⁱ	1.877	− 1.23 ± 3.85	1.31 ± 4.32	7.9 ± 0.1
data3ⁱⁱⁱ	1.647	− 1.04 ± 0.25	− 3.80 ± 0.30	7.4 ± 0.1

Notes. We include the median birth radius and its standard deviation from 91 models. Reference for distances and proper motions: ⁽ⁱ⁾ from TGAS,mean of eight stars (Cantat-Gaudin et al. 2018), ⁽ⁱⁱ⁾ Dias et al. (2002), and ⁽ⁱⁱⁱ⁾ from TGAS, mean of 32 stars (Casamiquela et al. 2017b).

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