NGC 5557 is an elliptical galaxy in the constellation Boötes. It was discovered by William Herschel on May 1, 1785. [ 4 ] The distance to NGC 5557 is not well known, but it is estimated to be …

NGC 5557 is a Elliptical Galaxy in the Boötes constellation. NGC 5557 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its …

The field is dominated by NGC 5557, a massive elliptical galaxy at a distance of about 125 million light years [†], surrounded by a gigantic low-surface brightness tidal complex. The tidal …

2011年5月27日 · NGC 5557 belongs to the poorly populated class of massive, round, slow rotators that are predicted by semi-analytic models and cosmological simulations to be the end …

Among them, a gigantic 160 kpc long, narrow, tail east of NGC 5557 hosts three gas-rich star-forming objects, previously detected in H I with the Westerbork Synthesis Radio Telescope …

For this month’s object I have chosen the elliptical galaxy NGC 5557 in Boötes. Discovered by William Herschel in May 1785, NGC 5557 is part of a group of galaxies catalogued as LGG …

NGC 5557是牧夫座的一个星系，它的右阿森松为14h19m12.60s，赤纬为+24°47'54.0”

The cosmic scene depicted in this deep astrophoto is the region towards the elliptical galaxy NGC 5557 in the constellation of Bootes. For a long time, ellipticals were regarded as the placid …

2019年10月12日 · NGC 5557とほぼ等しい距離、1億5000万光年の位置にあるとされ、LGG 378という銀河グループに分類されています。 これらのデータが正しいものとすると …

Inspired by Howard Trottier's picture of this galaxy group, I decided to try it myself. The large elliptical galaxy is NGC 5557. From its outer shells and tidal tails, it's clear that it had just gon...