irregular variable star造句

Antares is a type " LC " slow irregular variable star, whose apparent magnitude slowly varies from + 0.6 to + 1.6.
R Coronae Australis is an irregular variable star ranging from magnitudes 9.7 to 13.9 . Blue-white, it is of spectral type B5IIIpe.
It is a slow irregular variable star with a possible period of 3, 100 days . It is approximately 69, 000 times the luminosity of the Sun, and it is 645 times bigger than the Sun.
Between these stars and Sirius lie K-type supergiant of spectral type K2.5Iab that is an irregular variable star, varying between apparent magnitudes 3.78 and 3.99 . Around 18 times as massive as the Sun, it shines with 65, 000 times its luminosity.
RX Aurigae is a Cepheid variable as well; it varies in magnitude from a minimum of 8.0 to a maximum of 7.3; its spectral class is G0Iabv . It has a period of 11.62 days . RW Aurigae is the prototype of its class of irregular variable stars.
It's difficult to find irregular variable star in a sentence. 用irregular variable star造句挺难的

On early 20th century and older orthochromatic ( blue-sensitive ) photographic film, the relative brightnesses of the blue supergiant Rigel and the red supergiant Betelgeuse irregular variable star ( at maximum ) are reversed compared to what human eyes perceive, because this archaic film is more sensitive to blue light than it is to red light.

更多例句：上一页