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The infrared void in the Lupus dark clouds revisited: a polarimetric approach
The results of B-band CCD imaging linear polarimetry obtained for starsfrom the Hipparcos catalogue are used to re-examine the distribution ofthe local interstellar medium towards the IRAS 100-μm emission voidin the Lupus dark clouds. The analysis of the obtainedparallax-polarization diagram assigns to the dark cloud Lupus1 adistance between 130 and 150pc and assures the existence of a low columndensity region coincident with the observed infrared void. Moreover,there are clear indications of the existence of absorbing material atdistances closer than 60-100pc, which may be associated with theinterface boundary between the Local Bubble and its neighbourhood LoopIsuperbubble.
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Membre dels grups següents:
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Dades d'Observació i Astrometria
| Constel·lació: | Lupus |
| Ascensió Recta: | 15h28m12.34s |
| Declinació: | -34°10'46.3" |
| Magnitud Aparent: | 9.826 |
| Moviment propi RA: | 34.5 |
| Moviment propi Dec: | -43.1 |
| B-T magnitude: | 10.56 |
| V-T magnitude: | 9.887 |
Catàlegs i designacions:
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