Fig. 4 from Adaptive Optics Imaging of IRAS 18276−1431: A Bipolar Preplanetary Nebula with Circumstellar “Searchlight Beams” and “Arcs”

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Adaptive Optics Imaging of IRAS 18276−1431: A Bipolar Preplanetary Nebula with Circumstellar “Searchlight Beams” and “Arcs”

Authors: C. Sánchez Contreras, D. Le Mignant, R. Sahai, A. Gil de Paz, and M. Morris

Sánchez Contreras et al. 2007 The Astrophysical Journal 656 1150.

Provider: AAS Journals

Caption: Fig. 4.

F606W and F814W WFPC2 HST images of IRAS 18276−1431 in a logarithmic intensity scale. Contour levels are ﹩6\ \sigma \times 2^{i}﹩ for ﹩i=0{\mbox{--}} 8﹩ (see Table 1 for values of σ). The north and east directions are indicated by the 0.5^{﹩\arcsec﹩} sized arrows.

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