Figure 8 from Hα Dots: A Catalog of Faint Emission-line Objects Discovered in Narrowband Images

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Hα Dots: A Catalog of Faint Emission-line Objects Discovered in Narrowband Images

Authors: Jessica A. Kellar, John J. Salzer, Gary Wegner, Caryl Gronwall, and Anna Williams

Kellar et al. 2012 The Astronomical Journal 143 145.

Provider: AAS Journals

Caption: Figure 8.

Example spectrum of the quasar Hα dot 17 detected by our survey. This spectrum is taken using the MDM 2.4 m telescope. The broad line of Mg ii is redshifted into the narrowband filter used to detect this object.

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