Sentences with phrase «second magnitude star»
This second magnitude star is the 24th brightest (and the brightest red giant) in Earth's night sky.
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Second, also the velocity of the neutron star is known with its magnitude and its direction on the plane of the sky.
The stars in the Big Dipper are second magnitude and the stars in Cassiopeia are also second magnitude, so they're bright, but they're not amazingly bright.
For this sequence an exposure time of about 0.5 seconds was used, allowing Junocam to detect stars down to about 4th or 5th magnitude.
As of 2015, the magnitude 10.5 K - type companion star was located at an angular separation of 18.10 arc seconds along a position angle of 135 ° from the brighter primary.
For instance, two second - magnitude stars, Alpha Pavonis and Epsilon Carinae, were assigned the proper names Peacock and Avior respectively in 1937 by Her Majesty's Nautical Almanac Office during the creation of The Air Almanac, a navigational almanac for the Royal Air Force.
The system is composed of a blue - white giant with the stellar classification of B9III - IV and a visual magnitude of 5.33, a white subgiant belonging to the stellar class A0IVMn with an apparent magnitude of 5.63, and a star with a magnitude of 8.5 separated from the second component by 37.7 arc seconds.