Astronomers have discovered a highly magnetic white dwarf system with an 81-minute orbit, which could become a future gravitational wave source detectable by the LISA mission.
A team of astronomers has identified a new polar cataclysmic variable, a rare type of binary star system featuring a highly magnetic white dwarf siphoning material from its companion star. The system, designated ZTF J0112+5827, was discovered using data from the ROentgen SATellite (ROSAT) and has an unusually short orbital period of just 81 minutes.
Beyond its extreme magnetism, ZTF J0112+5827 is intriguing for another reason—it has the potential to emit detectable gravitational waves, making it a prime candidate for future observation by the Laser Interferometer Space Antenna (LISA), a space-based gravitational wave detector set to launch in 2035.
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