087259
收藏Mendeley Data2024-01-31 更新2024-06-27 收录
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http://esdcdoi.esac.esa.int/doi/html/data/astronomy/xmm-newton/087259.html
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We propose joint observations with Chandra and XMM-Newton of the super Chandrasekhar mass white dwarf merger product Cas J005311. A first pilot XMM-Newton observation revealed an astonishingly high X-ray luminosity of Cas J005311 and its remarkable nebula which is strongly enriched in Neand Mg. The proposed ACIS-I observations will map the nebula and probe chemical gradients across it comma as necessary to unravel the evolutionary history of the merger. We will search for X-ray pulsations to test magnetic fields and rotation of Cas J005311. Jointly comma Chandra and XMM-Newton will reveal the physical mechanisms powering the X-rays from the central star and the nebula.
创建时间：
2024-01-31
