Approximate Metric for a Rotating Deformed Mass

• 作者: Francisco Frutos-Alfaro Javier Bonatti-González Miguel Araya Paulo Montero-Camacho
• 来源期刊: 天文学与天体物理学国际期刊(英文)
• 学科: 数学
• 关键词: APPROXIMATE Solutions of EINSTEIN Equations KERR METRIC Erez-Rosen METRIC QUADRUPOLE
• 年，卷（期）: 2015,（1）
• 页码范围: 1-10
• 页数: 10页
• 分类号: O1

摘要

A new Kerr-like metric with quadrupole moment is obtained by means of perturbing the Kerr spacetime. The form of this new metric is simple as the Kerr metric. By comparison with the exterior Hartle-Thorne metric, it is shown that it could be matched to an interior solution. This approximate metric may represent the spacetime of a real astrophysical object with any Kerr rotation parameter a and slightly deformed.