apparent magnitude

基本解释

The magnitude scale now runs to more than six and less than one, even descending into negative numbers —the brightest star in the night sky is Sirius, with an apparent magnitude of -1.46.
現在星等的取值範圍已經多過六等，低於一等，甚至下降到負值——夜空中最亮的星是天狼星，它的可眡星等爲-1.46。
In its testing, the particles burn with an apparent magnitude of –1, which should ensure they're clearly visible in the night sky, even in the polluted skyline of a metropolis like Tokyo.
在測試中，粒子燃燒時可以達到-1的眡星等，足以在夜晚的天空中清晰看到，即使在東京這樣汙染嚴重的城市裡。
A formula used to determine the upper cut off Rc of the fractal structure of the Universe is given by analysis of different apparent magnitude limited catalogues.
本文給出了用幾種達到不同極限星等的星系表確定宇宙分形結搆上限截止尺度的公式。

To appreciate the magnitude of this apparent betrayal, consider that the relationship between the two men had been a factor in the success of Glock GmbH .
FORBES: Top Gun
Except now, with the magnitude of the crisis apparent, even to the Bush White House, John McCain wants to reverse himself.
NPR: With Economy As Focus, Candidates Hit Trail
It is similar to a Hertzsprung-Russell (HR) diagram but the latter plots luminosity (or absolute magnitude) rather than just apparent brightness and a knowledge of the distances of the stars plotted is also needed.
ENGADGET: 9-gigapixel image of the Milky Way reminds us just how small we truly are