Pulsar sī ē tńg-se̍h ê chû-hòa ba̍t-cha̍t-chheⁿ (it-poaⁿ sī tiong-chú-chheⁿ, m̄-koh mā ū pe̍h-é-chheⁿ), i ê chû-kek ē hoat-siā tiān-chû pulse ·chhut-lâi.
Pulsar ê pulse lóng chiok ū kui-lu̍t, chiu-kî ê hoān-ûi sī tùi milli-bió kàu kúi-nā bió.
1934 nî Walter Baade kap Fritz Zwicky ī-chhek tiong-chú-chheⁿ ê chûn-chāi. In kóng, chhiau-sin-chheⁿ lo̍h-bóe ē piàn-sêng chi̍t ê sé-sé, ba̍t-ba̍t, sêng-hūn iû tiong-chú ê hêng-chheⁿ.
1967 nî 10 goe̍h, Cambridge Tāi-ha̍k Cavendish Si̍t-giām-sek Antony Hewish kàu-siū ê gián-kiù-seng Jocelyn Bell leh kiám-giām la-jí-oh bōng-oán-kiàⁿ siu-·tio̍h ê sìn-hō ê sî, bô-ì-tiong hoat-hiān chi̍t-kóa ū kui-lu̍t ê pulse sìn-hō, in ê chiu-kî chin kò͘-tēng, lóng sī 1.337 bió. Chi̍t-khai-sí i lia̍h-chún che sī Gōa-cheⁿ-jîn Little Green Man (LGM) thôaⁿ-·kòe-lâi ê sìn-hō. M̄-koh sòa-·lo̍h-lâi bô pòaⁿ-nî ê sî-kan lāi-té, i koh kè-sio̍k koat-hiân kúi-nā ê kāng-khoán hêng ê pulse sìn-hō. Āu-lâu lâng khak-tēng kóng che sī chi̍t khoán sin ê thian-thé, pēng-chhiáⁿ kā in hō-miâ kiò-chò “pulsar”. Antony Hewish ūi-tio̍h hoat-hiān pulsar chŏaⁿ tit-tio̍h 1974 nî ê Nobel Bu̍t-lí-ha̍k Chióng, iá-m̄-koh Jocelyn Bell Burnell the̍h-bô-tio̍h, chiòng-lâng tùi chit chām tāi-chì ū phoe-phêng.
PSR | Kī-lî (pc) | Nî-hòe (Myr) |
---|---|---|
J0030+0451 | 244 | 7,580 |
J0108−1431 | 238 | 166 |
J0437−4715 | 156 | 1,590 |
J0633+1746 | 156 | 0.342 |
J0659+1414 | 290 | 0.111 |
J0835−4510 | 290 | 0.0113 |
J0453+0755 | 260 | 17.5 |
J1045−4509 | 300 | 6,710 |
J1741−2054 | 250 | 0.387 |
J1856−3754 | 161 | 3.76 |
J2144−3933 | 165 | 272 |
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