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{wiki=Hulse–Taylor_pulsar}

= Hulse-Taylor pulsar
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= PSR 1913+16
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<Russell Alan Hulse> and <Joseph Hooton Taylor Jr.> discovered this <binary pulsar> at Arecibo in 1974; their January 1975 paper reports a roughly $59\,\mathrm{ms}$ pulse <period> and $7.75\,\mathrm{h}$ <orbital period>. Its unseen companion was not detected as a second <radio pulsar>. Discovery of the <orbit> preceded the later <binary-pulsar orbital decay> test.<Discovery of a Pulsar in a Binary System by Russell Alan Hulse and Joseph Hooton Taylor Jr.>[Discovery of a Pulsar in a Binary System, 15 January 1975, L51 opening and section II; L53 section IV]{ref}

The 1993 <Nobel Prize in Physics> recognized the discovery.<All Nobel Prizes in Physics by Nobel Prize Outreach>[1993 entry, joint award and discovery motivation]{ref}

By 1993, the system was interpreted as a pair of <neutron stars>.<Binary Pulsars and Relativistic Gravity by Joseph Hooton Taylor Jr.>[Section IV, p. 83, Figure 7]{ref}


PSR B1913+16

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PSR B1913+16

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