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LkHα 225 (V1318 Cyg) South in Outburst

  • Authors: Lynne A. Hillenbrand, Howard Isaacson, Antonio C. Rodriguez, Michael Connelley, Bo Reipurth, Michael A. Kuhn, Tracy Beck, and Diego Rodriguez Perez

2022 The Astronomical Journal 163 115.

  • Provider: AAS Journals

Caption: Figure 7.

Left panel: 2003 Gemini/Near-Infrared Imager image in H2 2.12 μm. The ridge of nebulosity extending southward from LkHα 225 North, which is apparent in optical images, is present in the near-infrared, as well. Also familiar is the compact nebulosity just northeast of LkHα 225 South, which was seen in our 1999 optical image (Figure 2). Several additional extended nebulosities appear in H2 that are not seen in the optical. Right panels: spectra taken in 2003 of LkHα 225 North (labeled V1318 Cyg North) and LkHα 225 South (labeled V1318 Cyg South), during the faint state of the latter. The 1–4 μm data show a red continuum in both components of LkHα 225. Lower plots in each case highlight the K-band spectral region.

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