3C 273 is a quasar located at the center of a giant elliptical galaxy in the constellation of Virgo. It was the first quasar ever to be identified and is the visually brightest quasar in the sky as seen …

3C 273 是位於 室女座 的一個 類星體。 它是有史以來第一個被辨識出的類星體。 它是在夜空中最亮的 可見光 類星體，從 地球 所見的 視星等 約為12.9等，也是最接近我們的類星體， 紅移 z …

3C 273是位于 室女座 的一个 类星体。 它在可见光波段上是最明亮的一个类星体，在天空中的 视星等 大约是12.9等，是最靠近地球的类星体之一， 红移 z只有0.158。 它的 光度距离，DL = …

Our Variable "Star" of the season -- the quasar 3C 273 in Virgo -- offers something for our entire observing community, visual and CCD, northern and southern. The brightest quasar in Earth's …

Known as 3C 273, this was the first quasar to be identified and the optically-brightest at magnitude +12.9. It is the extremely luminous core of an active galaxy powered by a …

2021年2月19日 · Seen through a decent backyard telescope, 3c273 is a puny sight. It looks like a faint star in the constellation Virgo. Yet that insignificant point of light is the most-distant object …

2023年11月21日 · 3C 273 is the first identified and optically brightest quasar, the super bright nucleus of an “active” galaxy. It is visible with an 8-inch telescope from a dark-sky site, about 5 …

2024年12月5日 · It looked like a star in the world's most powerful telescope of the time. But its light was weird. The expansion of the universe stretched the light into red wavelengths. This …

2024年12月7日 · 通过对比相隔 22 年的存档图像和新的日冕仪数据，研究团队发现 3C 273 的 30 万光年长的星系际喷流以接近光速的速度运动，并且在远离黑洞时速度更快。 哈勃望远镜的 …

Quasar 3C 273 is the first quasar redshift spectrum to be identified by Dr. Maarten Schmidt in 1963 with the Hale 200 inch (5.08 m) reflector at the Palomar Observatory. 3C_273 light travel …