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arxiv: 1603.07955 · v1 · pith:6IP362RDnew · submitted 2016-03-23 · 🌌 astro-ph.GA · astro-ph.SR

Discovery of new planetary nebulae in the Small Magellanic Cloud

classification 🌌 astro-ph.GA astro-ph.SR
keywords cloudincreaseknownmagellanicnebulaeplanetarypopulationsmall
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We present six new planetary nebulae (PNe) discovered in the Small Magellanic Cloud (SMC) from deep UK Schmidt telescope (UKST) narrow band Halpha and broad-band short-red "SR" continuum images and confirmed spectroscopically. These 6 preliminary discoveries provide a 6% increase to the previously known SMC PN population of ~100. Once spectroscopic follow-up of all our newly identified candidates is complete, we expect to increase the total number of known SMC PNe by up to 50%. This will permit a significant improvement to determination of the SMC PN luminosity function (PNLF) and enable further insights into the chemical evolution and kinematics of the SMC PN population.

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