Do siblings always form and evolve simultaneously? Testing the coevality of multiple protostellar systems through SEDs

N. M. Murillo; E. F. van Dishoeck; J. J. Tobin; D. Fedele

doi:10.1051/0004-6361/201628247

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Volume 592 (August 2016)

A&A, 592 (2016) A56

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Table 4

Statistics from the constructed SEDs.

	L1448 and L1455	NGC 1333	IC 348	B1	Total

Multiple total	9	17	9	5	40
Resolved system	3	8	4	1	16
Unresolved system	6	9	5	4	24
Single	7	20	9	12	48
Total systems	16	36	18	17	88
Multiplicity frequency^a	56.3%	47.2%	50.0%	29.4%	45.5%

Resolved multiples: Coeval	3	6	2	2	14
Resolved multiples: Non-coeval	1	3	2	1	7
Total determined systems	4	7	4	3	21
Non-coevality frequency^a	25%	29%	50%	66%	33 ± 10%

Notes.

^(a)

Calculated as the ratio of multiples or non-coeval systems over the total number of systems.

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