English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We utilize the new Magellan adaptive optics system (MagAO) to image thebinary proplyd LV 1 in the Orion Trapezium at H alpha. This is among the firstAO results in visible wavelengths. The H alpha image clearly shows theionization fronts, the interproplyd shell, and the cometary tails. Ourastrometric measurements find no significant relative motion between componentsover ~18 yr, implying that LV 1 is a low-mass system. We also analyze LargeBinocular Telescope AO observations, and find a point source which may be theembedded protostar's photosphere in the continuum. Converting the H magnitudesto mass, we show that the LV 1 binary may consist of one very-low-mass starwith a likely brown dwarf secondary, or even plausibly a double brown dwarf.Finally, the magnetopause of the minor proplyd is estimated to have a radius of110 AU, consistent with the location of the bow shock seen in H alpha.

High Resolution H alpha Images of the Binary Low-mass Proplyd LV 1 with the Magellan AO System