In lower mass cores the collapse is stopped and the newly formed neutron core has an initial temperature of about 100 billion kelvin, 6000 times the temperature of the sun's core.
WASP-13b's low mass can mostly likely be attributed to the presence of a low-mass core, or to the total lack of a core, according to the discovery paper.
Experiments were performed at Froude numbers from 0.6 to 2 with the final coating mass to core particle mass ratio being 0.05.
The IP-mass spectrometry sample preparation and LC/MS collection was carried out by the Mass Spectrometry Core of the Salk Institute with funding from NIH-NCI CCSG: P30 014195 and the Helmsley Center for Genomic Medicine.
Samples were oven dried at 105 °CC) for 24 h, and BD was calculated as oven dried mass per core volume.
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The plinth, which the Rega website described as a low mass particulate core sandwiched by highly rigid phenolic laminates, "looks like any plain cheap medite board", according to Lim.
We are grateful to Robert English at Biomolecular Resource Facility Mass Spectrometry Core at University of Texas Medical Branch for assistance with mass spectrometry and David H. Walker and Xue-jie Yu for review of the manuscript and helpful suggestions.
Shen, the director of the mass spectrometry core facility at the National Heart ,Lung, and Blood Institute NHLBII).
