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Iphas A-Type Stars with Mid-Infrared Excesses in Spitzer Surveys

  • Authors: Antonio S. Hales, Michael J. Barlow, Janet E. Drew, Yvonne C. Unruh, Robert Greimel, Michael J. Irwin, and Eduardo González-Solares

HALES et al. 2009 The Astrophysical Journal 695 75.

  • Provider: AAS Journals

Caption: Figure 3.

WHT ISIS Spectra of IPHAS-selected A-type stars. The dereddened flux-calibrated spectra of the targets (black dotted lines) are shown for the blue spectral region (left-hand panels) and for the red spectral region (right-hand panels), and are compared to the spectra of the A-type spectral standards that provide the best match to their red spectral features (red solid lines). The spectral subtypes of these spectral standards are shown at the top of each plot. All of the plotted spectral standards are luminosity class V dwarfs, except for WHT 4, which is best matched by an A5Ia supergiant spectrum.

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