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HD 32304


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First Optical Images of Circumstellar Dust Surrounding the Debris Disk Candidate HD 32297
Near-infrared imaging with the Hubble Space Telescope recently revealeda circumstellar dust disk around the A star HD 32297. Dust-scatteredlight is detected as far as 400 AU radius, and the linear morphology isconsistent with a disk ~10° away from an edge-on orientation. Herewe present the first optical images that show the dust-scattered lightmorphology from 560 to 1680 AU radius. The position angle of theputative disk midplane diverges by ~31°, and the color of dustscattering is most likely blue. We associate HD 32297 with a wall ofinterstellar gas and the enigmatic region south of the Taurus molecularcloud. We propose that the extreme asymmetries and blue disk colororiginate from a collision with a clump of interstellar material as HD32297 moves southward, and discuss evidence consistent with an age of 30Myr or younger.

Stellar groups, VI. Space motions of the dwarf A-type and giant M-type stars in the solar neighbourhood
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1960MNRAS.120..448E&db_key=AST

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观测天体数据

星座:獵戶座
右阿森松:05h02m31.48s
赤纬:+07°25'26.5"
视星:6.877
距离:133.69 天文距离
右阿森松适当运动:-21.6
赤纬适当运动:-17.2
B-T magnitude:8.082
V-T magnitude:6.977

目录:
适当名称   (Edit)
HD 1989HD 32304
TYCHO-2 2000TYC 110-319-1
USNO-A2.0USNO-A2 0900-01316040
HIPHIP 23457

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