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HD 730


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Interstellar polarization at high galactic latitudes from distant stars. V. First results for the South Galactic Pole
We present the first results of our interstellar polarization programmefor the South Galactic Pole (b<-70degr ). The new observations (43stars) combined with previously published data show that there is asubstantial interstellar polarization in this area of the sky. Startingat a distance of 300 pc, we have found stars with P > 0.3% includingone for which P ~ 0.6%. These measurements lead to the conclusion thatthere is a significant amount of interstellar dust at high southgalactic latitudes. Futhermore, there is a remarkable alignment seenover the South Polar Cap: for most stars the directions of polarizationvectors are aligned with the longitude l ~ 80degr , close to theexpected direction of the global magnetic field. In this respect the SGPseems to differ strongly from its northern counterpart.

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观测天体数据

星座:鯨魚座
右阿森松:00h11m36.81s
赤纬:-17°58'08.1"
视星:8.952
距离:297.619 天文距离
右阿森松适当运动:11
赤纬适当运动:-7.4
B-T magnitude:10.227
V-T magnitude:9.058

目录:
适当名称   (Edit)
HD 1989HD 730
TYCHO-2 2000TYC 5842-914-1
USNO-A2.0USNO-A2 0675-00075451
HIPHIP 939

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