The Gaia-ESO Survey: Stellar radii in the young open clusters NGC 2264, NGC 2547, and NGC 2516

R. J. Jackson; R. D. Jeffries; S. Randich; A. Bragaglia; G. Carraro; M. T. Costado; E. Flaccomio; A. C. Lanzafame; C. Lardo; L. Monaco; L. Morbidelli; R. Smiljanic; S. Zaggia

doi:10.1051/0004-6361/201527507

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Volume 586 (February 2016)

A&A, 586 (2016) A52

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Table 4

Averaged values of stellar radii NGC 2516, NGC 2547, and NGC 2264 calculated from the product of GES measurements of v sin i and reported rotational periods, binned according to apparent K magnitude.

Sample	N	K	log L/L_⊙	M / M _⊙

NGC 2516^a	15	13.15 ± 05	–1.19	0.60	0.62 ± 0.08
	16	13.72 ± 05	–1.47	0.49	0.49 ± 0.06
NGC 2547^a	15	12.51 ± 08	–1.01	0.66	0.73 ± 0.07
	15	13.29 ± 05	–1.36	0.44	0.78 ± 0.11
	14	13.89 ± 05	–1.63	0.29	0.57 ± 0.07
NGC 2264^a	21	11.62 ± 04	+0.01	1.22	2.00 ± 0.16
	20	12.09 ± 02	–0.18	1.04	1.76 ± 0.16
	20	12.47 ± 03	–0.35	0.82	1.67 ± 0.15
	20	13.16 ± 06	–0.68	0.52	1.21 ± 0.12
NGC 2264^b	33	11.62 ± 04	–0.01	1.25	2.25 ± 0.23
	34	12.09 ± 02	–0.20	1.04	1.65 ± 0.11
	31	12.47 ± 03	–0.38	0.82	1.68 ± 0.13
	23	13.16 ± 06	–0.72	0.51	1.27 ± 0.10

Notes.

^(a)

Averaged radii for members selected on RV with period, v sin i> 5 km s^-1 and Δ_v sin i< 0.2;

^(b)

Averaged radii for all targets with period, v sin i> 5 km s^-1 and Δ_v sin i< 0.2.

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