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Shibanov","submitted_at":"2022-05-26T20:23:48Z","abstract_excerpt":"The 840 kyr old pulsar PSR J1957+5033, detected so far only in $\\gamma$- and X-rays, is a nearby and rather cool neutron star with a temperature of 0.2--0.3 MK, a distance of $\\la$1 kpc, and a small colour reddening excess $E(B-V) \\approx 0.03$. These properties make it an ideal candidate to detect in the optical to get additional constraints on its parameters. We thus performed the first deep optical observations of the pulsar with the 10.4-meter Gran Telescopio Canarias in the $g'$ band and found its possible counterpart with $g'=27.63\\pm 0.26$. 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