Interstellar Medium Sculpting of the HD 32297 Disk
作者： John H. Debes , Alycia J. Weinberger , Marc J. Kuchner
DOI: 10.1088/0004-637X/702/1/318
关键词: Drag 、 Debris disk 、 Interstellar medium 、 Asymmetry 、 Astrophysics 、 Wavelength 、 Astronomy 、 Scattering 、 Surface brightness 、 Relative velocity 、 Physics
摘要: We detect the HD 32297 debris disk in scattered light at 1.6 and 2.05 \micron. use these new observations together with a previous image of 1.1 \micron to examine structure scattering efficiency as function wavelength. In addition surface brightness asymmetries warped morphology beyond $\sim$1\farcs5 for one lobe disk, we find that there exists an asymmetry spectral features grains between northeastern southwestern lobes. The mostly neutral color lobes imply roughly 1 \micron-sized are responsible scattering. can plausibly be explained by 32297's motion into dense ISM cloud relative velocity 15 km s$^{-1}$. model interaction dust HI gas cloud. argue supersonic ballistic drag explain disks 32297, 15115, 61005.
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