论文标题
M28中的两个新的黑寡妇毫秒
Two New Black Widow Millisecond Pulsars In M28
论文作者
论文摘要
我们报告了带有Meerkat望远镜的球状簇M28中两个黑寡妇脉冲星的发现。 PSR J1824 $ - 2.452亿美元（M280万）是4.78毫米的Pulsar，价格为$ 5.82 \，$ Hour Orbit和PSR J1824 $ - $ 2452N（M28N）是3.35 ms Pulsar，价格为$ 4.76 \ $ 4.76 \，$ HOUR ORBIT。这两个脉冲星的分散措施都接近$ 119.30 \，$ pc $ \，$ cm $^{ - 3} $，并且具有低质量伴侣星（$ \ sim $$ 0.01-0.03 \，$ m $ _ \ odot $），这不会引起强大的无线电或骨质变化。包括这些系统在内，现在有五个已知的黑寡妇脉冲星。脉冲星搜索是作为Meerkat球状群集普查（Trapum大调查项目中）的初始阶段的一部分进行的。这些淡淡的发现证明了Meerkat的调查敏感性比以前的搜索的优势，我们希望在继续搜索该集群时找到其他脉冲星。
We report the discovery of two Black Widow millisecond pulsars in the globular cluster M28 with the MeerKAT telescope. PSR J1824$-$2452M (M28M) is a 4.78-ms pulsar in a $5.82\,$hour orbit and PSR J1824$-$2452N (M28N) is a 3.35-ms pulsar in a $4.76\,$hour orbit. Both pulsars have dispersion measures near $119.30\,$pc$\,$cm$^{-3}$ and have low mass companion stars ($\sim$$0.01-0.03\,$M$_\odot$), which do not cause strong radio eclipses or orbital variations. Including these systems, there are now five known black widow pulsars in M28. The pulsar searches were conducted as a part of an initial phase of MeerKAT's globular cluster census (within the TRAPUM Large Survey Project). These faint discoveries demonstrate the advantages of MeerKAT's survey sensitivity over previous searches and we expect to find additional pulsars in continued searches of this cluster.
