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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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Observation and Astrometry data

Constellation:オリオン座
Right ascension:05h02m31.48s
Declination:+07°25'26.5"
Apparent magnitude:6.877
Distance:133.69 parsecs
Proper motion RA:-21.6
Proper motion Dec:-17.2
B-T magnitude:8.082
V-T magnitude:6.977

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 32304
TYCHO-2 2000TYC 110-319-1
USNO-A2.0USNO-A2 0900-01316040
HIPHIP 23457

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