regular variable star造句

"' V394 Aurigae "'is a semi-regular variable star in the constellation Auriga.
"' W Cygni "'is a semi-regular variable star in the constellation Cygnus, located 618 light-years from Earth.
It is classified as a semi-regular variable star and its brightness varies by an amplitude of 0.0636 in magnitude.
RW Cephei is also a semi-regular variable star of type SRd, meaning that it is a slowly varying yellow giant or supergiant.
Aries has its share of variable stars, including R and U Arietis, Mira-type variable stars, and T Arietis, a semi-regular variable star.
It's difficult to find regular variable star in a sentence. 用regular variable star造句挺难的

Variable star observers will enjoy keeping an eye on R Scuti, a semi-regular variable star that slowly changes its brightness over a period of months.
PZ Cas is a slow semi-regular variable star with the period quoted as 925 days in the General Catalogue of Variable Stars, although periods of 850 and 3, 195 days have been derived.
Along with its notable color, V Hydrae is also home to at least two exoplanets . } } U Hydrae is a semi-regular variable star with a deep red color, 528 light-years from Earth.
It is also a semi-regular variable star ranging from apparent magnitude 5.3 to 7.0 over a period of 198.8 days, It is an ageing star, thought be well on its way transitioning from a red giant to a planetary nebula.
W Cygni is a semi-regular variable red giant star, 618 light-years from Earth . It has a maximum magnitude of 5.10 and a minimum magnitude 6.83; its period of 131 days . It is a red giant ranging between spectral types M4e-M6e ( Tc : ) III, NML Cygni, a red hypergiant semi-regular variable star and possibly the solar radii, and a mass 40 times that of the Sun.