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physical object > natural object > celestial body > collection of stars > star system > binary star > close binary > nova > recurrent nova > WZ Sagittae |
WZ Sagittae comparison table |
Subject | is an instance of | is a kind of | has definition |
---|---|---|---|
recurrent nova | nova | ||
WZ Sagittae | recurrent nova | A recurrent DAe old nova (1913 and 1946) with the shortest known orbital period (about 80 minutes). It is almost certainly a close binary system in which mass is being transferred onto a white-dwarf primary. |
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