... observations.¹

The MIKE spectrograph was not attached to any telescope rotator in 2006, so the slit passes over the nebula in each observation (García-Rojas, private communications, 2014).

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... Sources²

The Cornell Atlas of Spitzer/IRS Sources (CASSIS) is a product of the Infrared Science Center at Cornell University, supported by NASA and JPL. Website: http://cassis.astro.cornell.edu

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... Library³

https://github.com/equib/proEQUIB

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