Probing the Physical Conditoins of an Interstellar Bubble around an O Star

Details Probing the Physical Conditoins of an Interstellar Bubble around an O Star Probing the Physical Conditoins of an Interstellar Bubble around an O Star

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.9243b&link_type=abstract

HST Proposal ID #9243

Physics

Hst Proposal Id #9243

Scientific paper

The O star Hd 148937 is surrounded with an almost spherical H II region. Interior to this H II region are arcuate filaments seen in [O III] that delineate the periphery of an interstellar bubble. Interior to this bubble is an unusual bi-polar nebular complex known as NGC 6164-5. High resolution STIS spectroscopic observations are to be made with the goal of determining the expansion velocity of the interstellar bubble and the H II region that encompasses this nebular complex. The column densities deduced from the UV absoption features will pose strong constraints on the physics of interstellar bubbles.

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