NGC 6441, sometimes also known as the Silver Nugget Cluster, [9] is a globular cluster in the southern constellation of Scorpius. It was discovered by the Scottish astronomer James …

ngc 6441位於南天的天蝎座，是登錄在ngc天體表內的一個球狀星團。 它是蘇格蘭的天文學家 詹姆士·敦洛普 在1826年5月13日發現的。 根據敦洛普的描述，這是一個小，但有明確界線的明亮 …

NGC 6441位于南天的 天蝎座，是登录在 NGC天体表 内的一个 球状星团。 它是苏格兰的天文学家詹姆士·敦洛普在1826年5月13日发现的。 根据敦洛普的描述，这是一个小，但有明确界线的 …

2020年6月5日 · Almost like snowflakes, the stars of the globular cluster NGC 6441 sparkle peacefully in the night sky, about 13,000 light-years from the Milky Way’s galactic center. Like …

2020年6月6日 · It is estimated that together the stars have 1.6 million times the mass of the Sun, making NGC 6441 one of the most massive and luminous globular clusters in the Milky Way. …

2020年9月28日 · 近日，哈勃太空望远镜拍摄到了一张球状星团NGC 6441照片，在哈勃望远镜的观测下，我们发现NGC 6441位于天蝎座中一个巨大的球状星团，是银河系中质量最大的恒星 …

2007年11月6日 · Here we report on the discovery of five new pulsars in NGC 6440 and three in NGC 6441; each cluster previously had one known pulsar. Using the most recent distance …

2006年10月13日 · Abstract: The metal-rich bulge globular cluster NGC 6441 shows a well developed blue horizontal branch (Rich et al.), together with a strong slope upward from the …

NGC 6441 is one of only four known globular clusters which currently homes a planetary nebula. This planetary was not discovered until 1997, as it is hiding near the multitude of stars of …

NGC 6441 is a bulge globular cluster (GC) with an unusual horizontal branch morphology and a rich population of RR Lyrae (RRL) and Type II Cepheid (T2C) variables that is unexpected for …