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1I/2017 U1 (‘Oumuamua) is Hot: Imaging, Spectroscopy, and Search of Meteor Activity

  • Authors: Quan-Zhi Ye, Qicheng Zhang, Michael S. P. Kelley, and Peter G. Brown

2017 The Astrophysical Journal Letters 851 L5.

  • Provider: AAS Journals

Caption: Figure 1.

Upper panel: composite ﹩g^{\prime} ﹩+﹩r^{\prime} ﹩ image of ‘Oumuamua. Directions to north, east, minus heliocentric velocity vector, and the Sun are marked by arrows. Lower panel: surface brightness profile of ‘Oumuamua (black curve) and a nearby reference star (gray curve). The peak of the profile of ‘Oumuamua is slightly broadened, causing a 0.5 pixel offset of the profile to the right, but the width of the profile is comparable to the reference star.

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