description Groombridge 34 Overview
Groombridge 34 is a binary star system located 11.6 light-years away in the northern constellation of Andromeda. Both components are M-type red dwarf stars that orbit each other at a relatively wide separation, taking thousands of years to complete a single orbit. The system was first cataloged by the English astronomer Stephen Groombridge in the early 19th century using transit circle instruments. Astronomers have detected exoplanet candidates around the primary star, making it a subject of ongoing study for understanding planetary formation in binary systems.
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How far away is Groombridge 34?
Groombridge 34 is about 11.6 light-years from Earth in the constellation Andromeda. That makes it one of the nearer stellar systems to the Sun.
Is Groombridge 34 one star or a binary system?
It is a binary system made of Groombridge 34 A and Groombridge 34 B. Both components are M-type red dwarfs and are too faint to see without optical aid.
What kind of stars are the two components of Groombridge 34?
Both stars are cool, low-mass red dwarfs rather than Sun-like stars. Groombridge 34 A is also known as GX Andromedae, while the fainter companion is known as GQ Andromedae.
How long does Groombridge 34 take to orbit?
The two stars orbit their common center of mass over a period measured in thousands of years. Their wide separation makes the orbital motion extremely slow from a human perspective.
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