Observations explore the nature of transitional millisecond pulsar PSR J1023+0038
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Using the Gran Telescopio Canarias (GTC), astronomers from Italy and Spain have carried out high-temporal-resolution optical spectroscopic observations of a transitional millisecond pulsar designated PSR J1023+0038. Results of the observational campaign, published September 19 on the pre-print server arXiv, yield essential information regarding the nature of this pulsar.