The Lacerta OB1 Association
W. P. Chen, H. T. Lee
TL;DR
This paper studies the Lacerta OB1 association, a nearby star-forming region, highlighting its recent star formation activity, triggered by massive stars, and its evolutionary stage in the final phase of star formation.
Contribution
It provides new insights into the recent star formation history and the influence of massive stars in the Lacerta OB1 association.
Findings
Recent star formation occurred within the last few million years.
Remnant molecular clouds indicate triggered starbirth.
Member stars suggest an expansion timescale of tens of millions of years.
Abstract
Lac OB1 is a nearby OB association in its final stage of star formation. While the member stars suggest an expansion time scale of tens of Myr, the latest star formation episode, as manifested by the existence of massive and pre-main sequence stars, took place no more than a few Myr ago. The remnant molecular clouds in the region provide evidence of starbirth triggered by massive stars.
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Taxonomy
TopicsAstrophysics and Star Formation Studies · Gamma-ray bursts and supernovae · Astrophysics and Cosmic Phenomena