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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 6.

Example spectra of three low-redshift Hα dots taken using the MDM 2.4 m telescope. All three objects were detected in our survey via their Hα emission line and are star-forming dwarf galaxies. Hα dot 20 (top panel) is the object indicated in the lower portion of the images shown in Figure 1.

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