V473 Lyr has a low-mass companion, study suggests

V473 Lyr has a low-mass companion, study suggests
Using ESA’s XMM-Newton spacecraft, astronomers have conducted X-ray observations of a peculiar Cepheid variable star known as V473 Lyr. Results of the study suggest that this star has a young, low-mass companion. The finding is detailed in a paper published January 7 on the arXiv pre-print repository.
phys.org
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