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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: | Orion |
| 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:
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INHABITED SKY
