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2000 A UV imaging of a 6 deg diameter field around the H and Chi Persei double cluster
A stellar field centered close to the h and Chi per double cluster hasbeen observed at 2000 A by the stratospheric balloon-born telescope ofthe SCAP-2000 program. It is shown that the prevailing extinction lawproduces greater extinction at 1965 A than is predicted by the meanextinction law. The results suggest the presence of an H2 cloud in frontof h and Chi Per in the second absorbing layer and in the local arm. Agroup of hot stars centered at the same distance as the molecular cloudmay form an association of OB stars in the local arm.
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Observation and Astrometry data
| Constellation: | ペルセウス座 |
| Right ascension: | 02h38m50.14s |
| Declination: | +54°25'38.3" |
| Apparent magnitude: | 9.705 |
| Proper motion RA: | -12.6 |
| Proper motion Dec: | -5.7 |
| B-T magnitude: | 9.957 |
| V-T magnitude: | 9.726 |
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