# 12 and 18 micron images of dust surrounding HD 32297

**Authors:** Margaret M. Moerchen, Charles M. Telesco, James M. De Buizer, Christopher Packham, James T. Radomski  
**arXiv:** [0707.3294](https://arxiv.org/abs/0707.3294)  
**Date:** 2007-07-23  
**Summary page:** https://www.summarizepaper.com/fr/paper/0707.3294v1/

## Abstract

We present the first subarcsecond-resolution images at multiple mid-IR wavelengths of the thermally-emitting dust around the A0 star HD 32297. Our observations with T-ReCS at Gemini South reveal a nearly edge-on resolved disk at both 11.7 microns and 18.3 microns that extends ~150 AU in radius. The mid-IR is the third wavelength region in which this disk has been resolved, following coronagraphic observations by others of the source at optical and near-IR wavelengths. The global mid-IR colors and detailed consideration of the radial color-temperature distribution imply that the central part of the disk out to ~80 AU is relatively deficient in dust.