/ftp/cats/aliases/K/./KTK2008



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J/AJ/136/621        Near-infrared imaging polarimetry of M42 (Kusakabe+, 2008)
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	table1.dat
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Beginning of ReadMe : J/AJ/136/621 Near-infrared polarimetry of M42 (Kusakabe+, 2008) ================================================================================ Near-infrared imaging polarimetry of M42: aperture polarimetry of point-like sources. Kusakabe N., Tamura M., Kandori R., Hashimoto J., Nakajima Y., Nagata T., Nagayama T., Hough J., Lucas P. <Astron. J., 136, 621-630 (2008)> =2008AJ....136..621K ================================================================================ ADC_Keywords: Clusters, open ; Photometry, infrared ; Polarization Keywords: circumstellar matter - infrared: stars - ISM: individual (M42) - polarization - stars: formation Abstract: We have conducted aperture polarimetry of  500 stars of the Orion Nebula Cluster in M42 based on our wide-field ( 8'x8') JHKs-band polarimetry. Most of the near-infrared (NIR) polarizations are dichroic, with position angles of polarization agreeing, both globally and locally, with previous far-infrared (FIR) and submillimeter observations, having taken into account the 90deg difference in angles between dichroic absorption and emission. This is consistent with the idea that both NIR dichroic polarizations and FIR/submillimeter thermal polarizations trace the magnetic fields in the OMC-1 region. Description: We carried out NIR polarimetric observations of M42 using the imaging polarimeter SIRPOL, the polarimetry mode of the SIRIUS camera on the 1.4m telescope IRSF, at the South African Astronomical Observatory (SAAO), on the night of 2005 December 26.