Supplementary information

From the following article:

A resolved outflow of matter from a brown dwarf

Emma T. Whelan, Thomas P. Ray, Francesca Bacciotti, Antonella Natta, Leonardo Testi & Sofia Randich

Nature 435, 652-654(2 June 2005)

doi:10.1038/nature03598

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Supplementary Discussion

Contains details of the spectro-astrometric technique, the method by which any displacement in the emission lines of p-Oph 102 is measured, and details of Additional ELRs and the critical density for a forbidden line scales with Mjet1/2

Supplementary Figure S1

Continuum fitting and removal, using a long-slit spectrum of a typical young star, with an outflow (in this case DG Tau).

Supplementary Figure S2

Spectro-astrometric plots in the vicinity of the [OI] gamma6300 line of p-Oph 102, before (top) and after (bottom) continuum straightening.

Supplementary Figure S3

The [OI]gammagamma 6300, 6363 ELRs were initially fitted with the night sky (NS) lines still present (left panel).

Supplementary Figure S4

The spectro-astrometric plots for the Ligamma6708 and HeIgamma6678 lines

Supplementary Figure S5

Displacement in the [OI] gammagamma6300, 6363, [SII]gamma 6731 and HeI gamma6678 ELRs, with respect to the continuum measured across a large part of the individual orders.

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