dwarf novas造句

"' VW Hydri "'is a dwarf nova of the SU Ursae Majoris type in the deep southern constellation Hydrus; a star system that consists of a white dwarf and another generally cool star.
"' SX Leonis Minoris "'is a dwarf nova of the SU Ursae Majoris type that was first discovered as a 16th magnitude blue star in 1957, before its identity was confirmed as a dwarf nova in 1994.
"' SX Leonis Minoris "'is a dwarf nova of the SU Ursae Majoris type that was first discovered as a 16th magnitude blue star in 1957, before its identity was confirmed as a dwarf nova in 1994.
Observations were requested by the American Association of Variable Star Observers ( AAVSO ) during the 2011 outburst phase to help classify the object, and to see if it is an infrequently outbursting normal dwarf nova like WZ Sagittae or a recurrent nova.
The accretion disc may be prone to an instability leading to dwarf nova outbursts, when the outer portion of the disc changes from a cool, dull mode to a hotter, brighter mode for a time, before reverting to the cool mode.
It's difficult to find dwarf novas in a sentence. 用dwarf novas造句挺难的

"' Z Chamaeleontis "'( abbreviated "'Z Cha "') is a dwarf nova variable star system approximately 316 light-years away from the Sun, where two stars orbit each other every 1.78 hours.
The WZ Sagittae-type dwarf nova DY CMi ( also known as VSX J074727.6 + 065050 ) flared up to magnitude 11.4 over January and February 2008 before dropping eight magnitudes to around 19.5 over approximately 80 days . It is a remote binary star system where a white dwarf and low mass star orbit each other close enough for the former star to draw material off the latter and form an accretion disc.

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