NGC 2440 is a planetary nebula, one of many in our galaxy. Its central star, HD 62166, [1] is possibly the hottest known white dwarf, about 400,000 °F (200,000 °C). The nebula is situated …

NGC 2440的中央星是已知最热的恒星之一,表面温度大约200,000摄氏度。 NGC 2440就像只蝴蝶一样， 一颗白矮星也是“破茧而出”，开始另一段生命之旅。 在这种比喻中，我们的太阳也像 …

1999年10月7日 · NGC 2440 is another planetary nebula ejected by a dying star, but it has a much more chaotic structure than NGC 2346. The central star of NGC 2440 is one of the hottest …

NGC 2440 是銀河系中的一個 行星狀星雲，其中心恆星編號HD62166 [1]，可能是已知最高溫的 白矮星。 位於 船尾座。 該星雲由 威廉·赫歇爾 於1790年3月4日發現。 他描述該星雲是一個「 …

2023年12月24日 · In the featured cocoon, the planetary nebula designated NGC 2440 contains one of the hottest white dwarf stars known. The white dwarf can be seen as the bright orange …

NGC 2440 is a very complex planetary nebula (PN) about 1600 light-years away. An inner, bright area with two condensations can be seen, which is embedded in a fainter, much larger nebula …

NGC 2440 is another planetary nebula ejected by a dying star, but it has a much more chaotic structure than NGC 2346. The central star of NGC 2440 is one of the hottest known, with a …

ngc 2440是一个行星星云，是我们银河系中的许多星云之一。 它的中央恒星HD 62166可能是最热的已知白色矮人，约40万°F （200,000 °C ）。 星云位于星座幼犬中。

Again like NGC 7027, NGC 2440 is one of the most highly excited nebulae known. It is so bright from the exceedingly hot (219,000 Kelvin, a near record) central star that the star becomes …

NGC 2440 is a planetary nebula. In this image, taken by the Hubble Space Telescope, the white star near the cen-ter of the nebula is ending its life by shedding its outer layers of gas. The …