{"id":24281,"date":"2021-04-08T00:03:01","date_gmt":"2021-04-07T16:03:01","guid":{"rendered":"https:\/newsletter.sinica.edu.tw\/?p=24281"},"modified":"2021-07-16T14:41:58","modified_gmt":"2021-07-16T06:41:58","slug":"%e6%8e%a2%e7%b4%a2%e9%bb%91%e6%b4%9e%e6%9b%b4%e9%80%b2%e4%b8%80%e6%ad%a5%ef%bc%81eht%e5%85%ac%e5%b8%83m87%e6%98%9f%e7%b3%bb%e5%81%8f%e6%8c%af%e5%85%89%e5%bd%b1%e5%83%8f-%e7%9b%b4%e6%93%8a%e9%bb%91","status":"publish","type":"post","link":"https:\/newsletter.sinica.edu.tw\/24281\/","title":{"rendered":"\u63a2\u7d22\u9ed1\u6d1e\u66f4\u9032\u4e00\u6b65\uff01EHT\u516c\u5e03M87\u661f\u7cfb\u504f\u632f\u5149\u5f71\u50cf \u76f4\u64ca\u9ed1\u6d1e\u78c1\u5834"},"content":{"rendered":"
\"\"

M87\u661f\u7cfb\u4e2d\u5fc3\u7684\u504f\u632f\u5149\u5f71\u50cf\uff0c\u7dda\u689d\u986f\u793a\u8207\u9ed1\u6d1e\u5468\u570d\u78c1\u5834\u6709\u95dc\u7684\u504f\u632f\u65b9\u5411\u3002\u5716\u7247\u7248\u6b0a\uff1aEHT Collaboration<\/p><\/div>\n

\u672c\u9662\u5929\u6587\u53ca\u5929\u6587\u7269\u7406\u7814\u7a76\u6240\u53c3\u8207\u7684\u300c\u4e8b\u4ef6\u8996\u754c\u671b\u9060\u93e1\uff08Event Horizon Telescope, EHT\uff09\u300d\u570b\u969b\u5408\u4f5c\u8a08\u756b\uff0c\u7e7c\u62cd\u651d\u51fa\u4eba\u985e\u53f2\u4e0a\u7b2c\u4e00\u5f35\u9ed1\u6d1e\u7167\u7247\u5f8c\uff0c\u9996\u5ea6\u516c\u5e03M87\u661f\u7cfb\u4e2d\u5fc3\u6700\u65b0\u7684\u504f\u632f\u5149\u5f71\u50cf\u3002\u300c\u504f\u632f(\u8a3b\u4e00)\u300d\u50cf\u662f\u78c1\u5834\u7559\u4e0b\u7684\u6307\u7d0b\uff0c\u53ef\u9032\u4e00\u6b65\u89e3\u6790\u9996\u5f35\u9ed1\u6d1e\u5f71\u50cf\u5468\u570d\u7684\u78c1\u5834\u7d50\u69cb\u3002EHT\u504f\u632f\u5de5\u4f5c\u5c0f\u7d44\u53ec\u96c6\u4eba\u3001\u8377\u862dRadbopund\u5927\u5b78\u52a9\u7406\u6559\u6388Monika Mo\u015bcibrodzka\u8868\u793a\uff0c\u6b64\u5f71\u50cf\u6709\u52a9\u65bc\u4e86\u89e3\u9ed1\u6d1e\u78c1\u5834\u7279\u6709\u7684\u884c\u70ba\uff0c\u4ee5\u53caM87\u661f\u7cfb\u7684\u9ed1\u6d1e\u5674\u6d41\u5982\u4f55\u5f9e\u6838\u5fc3\u5411\u5916\u5674\u5c04\u81f3\u661f\u7cfb\u4e4b\u5916\u3002\u7814\u7a76\u6210\u679c\u65bc\u4eca(2021)\u5e743\u670824\u65e5\u767c\u8868\u65bc\u300a\u5929\u6587\u7269\u7406\u671f\u520a\u901a\u8a0a\u300b\uff08The Astrophysical Journal Letters<\/em>\uff09\u3002<\/p>\n

M87\u661f\u7cfb\u8ddd\u5730\u7403\u67095\u53435\u767e\u842c\u5149\u5e74\u4e4b\u9059\uff0c\u7531\u5176\u6838\u5fc3\u6240\u5674\u51fa\u7684\u9ed1\u6d1e\u5674\u6d41\uff0c\u4e0d\u50c5\u5ef6\u4f38\u9577\u90545\u5343\u5149\u5e74\uff0c\u4e5f\u662f\u8a72\u661f\u7cfb\u6700\u795e\u79d8\u3001\u6700\u6d3b\u8e8d\u7684\u7279\u5fb5\u4e4b\u4e00\u3002\u76ee\u524d\u5df2\u77e5\u6b64\u5674\u6d41\u8207\u9ed1\u6d1e\u5468\u570d\u7684\u5f37\u529b\u78c1\u5834\u6709\u95dc\uff0c\u7269\u8cea\u5982\u4f55\u6389\u5165\u9ed1\u6d1e\u4ee5\u53ca\u9ed1\u6d1e\u5674\u6d41\u7684\u7522\u751f\u662f\u7576\u524d\u5929\u6587\u7269\u7406\u5b78\u754c\u6700\u611f\u8208\u8da3\u7684\u8ab2\u984c\u4e4b\u4e00\uff0c\u666e\u904d\u8a8d\u70ba\u9ed1\u6d1e\u5468\u570d\u7684\u78c1\u5834\u5728\u4ee5\u4e0a\u904e\u7a0b\u4e2d\u90fd\u4f54\u6709\u91cd\u8981\u89d2\u8272\u3002<\/p>\n

\u7e7c2019\u5e744\u6708\u767c\u8868\u4eba\u985e\u53f2\u4e0a\u9996\u5f35\u9ed1\u6d1e\u5f71\u50cf\u5f8c\uff0c\u672c\u6b21\u6210\u679c\u70ba\u53e6\u4e00\u91cd\u8981\u91cc\u7a0b\u7891\uff0c\u70ba\u9130\u8fd1\u9ed1\u6d1e\u5916\u90e8\u7684\u78c1\u5834\u7d50\u69cb\u63d0\u4f9b\u6700\u65b0\u8cc7\u8a0a\uff0c\u5929\u6587\u5b78\u5bb6\u53ef\u85c9\u6b64\u7e6a\u88fd\u51fa\u9ed1\u6d1e\u5468\u570d\u78c1\u529b\u7dda\u5206\u5e03\u3002\u53e6\u4e00\u4f4dEHT\u504f\u632f\u5de5\u4f5c\u5c0f\u7d44\u53ec\u96c6\u4eba\u3001\u897f\u73ed\u7259\u74e6\u502b\u897f\u4e9e\u5927\u5b78Iv\u00e1n Mart\u00ed-Vidal\u7814\u7a76\u54e1\u89e3\u91cb\uff0c\u904e\u53bb\u8981\u5448\u73fe\u51fa\u4e00\u5f35\u504f\u632f\u5316\u5716\u50cf\u9700\u8017\u8cbb\u8a31\u591a\u5e74\uff0c\u53d6\u5f97\u548c\u5206\u6790\u9019\u4e9b\u8cc7\u6599\u7684\u6280\u8853\u90fd\u76f8\u7576\u8907\u96dc\uff1b\u800c\u85c9\u7531\u504f\u632f\u5149\u5e36\u4f86\u7684\u8cc7\u8a0a\uff0c\u80fd\u4f7f\u5927\u5bb6\u66f4\u4e86\u89e3\u9996\u5f35\u9ed1\u6d1e\u5f71\u50cf\u80cc\u5f8c\u7684\u7269\u7406\u610f\u7fa9\u3002<\/p>\n

EHT\u79d1\u5b78\u7406\u4e8b\u3001\u672c\u9662\u5929\u6587\u6240\u526f\u7814\u7a76\u54e1\u6dfa\u7530\u572d\u4e00\u8868\u793a\uff1a\u300c\u4e2d\u7814\u9662\u5929\u6587\u6240\u5718\u968a\u70ba\u4e86\u4e86\u89e3\u9ed1\u6d1e\u5674\u6d41\u7684\u5f62\u6210\uff0c\u81f4\u529b\u65bc\u89c0\u6e2c\u9ed1\u6d1e\u5468\u570d\u7684\u78c1\u5834\u5df2\u7d93\u9577\u9054\u5341\u5e74\u4ee5\u4e0a\u3002\u800c\u672c\u6b21EHT\u7684\u89c0\u6e2c\u8b93\u6211\u5011\u9858\u671b\u6210\u771f\u4e86\uff01\u300d<\/p>\n

EHT\u504f\u632f\u5de5\u4f5c\u5c0f\u7d44\u6210\u54e1\u3001\u570b\u7acb\u4e2d\u5c71\u5927\u5b78\u7269\u7406\u7cfb\u52a9\u7406\u6559\u6388\u90ed\u653f\u80b2\u8868\u793a\uff1a\u300c\u7531\u65bc\u504f\u632f\u8a0a\u865f\u975e\u5e38\u5fae\u5f31\uff0c\u8cc7\u6599\u8655\u7406\u904e\u7a0b\u5f88\u56f0\u96e3\u3002\u4f46\u81fa\u7063\u7684EHT\u6210\u54e1\u5c0d\u8cc7\u6599\u6821\u6b63\u548c\u5206\u6790\u8ca2\u737b\u8a31\u591a\u5fc3\u529b\uff0c\u624d\u5f97\u5230\u9019\u5f35\u504f\u632f\u5f71\u50cf\u3002\u300d<\/p>\n

\u7f8e\u570b\u666e\u6797\u65af\u9813\u7406\u8ad6\u79d1\u5b78\u4e2d\u5fc3\u7684Andrew Chael\u535a\u58eb\u4e5f\u8868\u793a\uff0c\u6700\u65b0\u767c\u8868\u7684\u504f\u632f\u5f71\u50cf\uff0c\u5c0d\u65bc\u4e86\u89e3\u9ed1\u6d1e\u9644\u8fd1\u7684\u78c1\u5834\u5982\u4f55\u4f7f\u9ed1\u6d1e\u541e\u566c\u5468\u570d\u7269\u8cea\uff0c\u4e26\u5674\u51fa\u660e\u4eae\u7684\u9ad8\u80fd\u5674\u6d41\u4e4b\u904e\u7a0b\uff0c\u63d0\u4f9b\u95dc\u9375\u8b49\u64da\u3002<\/p>\n

\u64d4\u4efbEHT\u7406\u8ad6\u6a21\u578b\u5de5\u4f5c\u5c0f\u7d44\u5354\u8abf\u4eba\u4e4b\u4e00\u3001\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u52a9\u7406\u6559\u6388\u535c\u5b8f\u6bc5\u8a8d\u70ba\uff1b\u300c\u81fa\u7063\u7684EHT\u5718\u968a\u9577\u671f\u7814\u7a76\u7269\u8cea\u5982\u4f55\u5438\u7a4d\u5230\u9ed1\u6d1e\u548c\u9ed1\u6d1e\u5674\u6d41\u5f62\u6210\u904e\u7a0b\uff0c\u9019\u5f35\u9ed1\u6d1e\u7684\u504f\u632f\u5f71\u50cf\u9664\u4e86\u900f\u9732\u51faM87\u9ed1\u6d1e\u5468\u570d\u7684\u7269\u8cea\u8207\u8f3b\u5c04\u7279\u6027\uff0c\u4e5f\u8207\u524d\u5e74\u516c\u5e03\u7684\u9ed1\u6d1e\u7167\u7247\u6240\u63a8\u6e2c\u7684\u82e5\u5e72\u9ed1\u6d1e\u7279\u5fb5\u76f8\u7b26\u5408! \u300d<\/p>\n

\u9ed1\u6d1e\u7684\u5468\u570d\u5373\u70ba\u300c\u4e8b\u4ef6\u8996\u754c\u300d(event horizon)\uff0c\u7269\u8cea\u548c\u80fd\u91cf\u7686\u56e0\u7121\u9650\u5927\u7684\u91cd\u529b\u800c\u7121\u6cd5\u9003\u812b\uff0c\u591a\u6578\u7269\u8cea\u5728\u9760\u8fd1\u9ed1\u6d1e\u7684\u908a\u5883\u5340\u57df\u6642\u5373\u6389\u5165\u5176\u4e2d\uff1b\u90e8\u5206\u7c92\u5b50\u537b\u5728\u906d\u9ed1\u6d1e\u652b\u7372\u7684\u6700\u5f8c\u4e00\u523b\u9003\u9038\uff0c\u4ee5\u5674\u6d41\u4e4b\u59ff\u5439\u5165\u9059\u9060\u592a\u7a7a\u3002\u7f8e\u570b\u79d1\u7f85\u62c9\u591a\u5927\u5b78\u52a9\u7406\u6559\u6388Jason Dexter\u89e3\u91cb\uff0c\u300c\u672c\u6b21\u89c0\u6e2c\u7d50\u679c\u767c\u73fe\uff0c\u9ed1\u6d1e\u908a\u7de3\u7684\u78c1\u5834\u5f37\u5927\u5230\u80fd\u5c07\u71b1\u6c23\u9ad4\u5411\u5f8c\u63a8\uff0c\u62b5\u6297\u4e86\u91cd\u529b\u62c9\u529b\uff0c\u53ea\u6709\u7a7f\u904e\u78c1\u5834\u7684\u6c23\u9ad4\u624d\u80fd\u76e4\u65cb\u843d\u5165\u4e8b\u4ef6\u8996\u754c\u3002\u300dEHT\u5718\u968a\u4e5f\u8a8d\u70ba\uff0c\u552f\u6709\u5efa\u7acb\u4ee5\u5f37\u70c8\u78c1\u5316\u6c23\u9ad4\u70ba\u4e3b\u7684\u7406\u8ad6\u6a21\u578b\uff0c\u624d\u80fd\u9032\u4e00\u6b65\u89e3\u91cb\u9ed1\u6d1e\u7684\u4e8b\u4ef6\u8996\u754c\u5340\u57df\u3002<\/p>\n

\u672c\u9662\u5929\u6587\u6240\u65bc2017\u5e74\u52a0\u5165\u300c\u4e8b\u4ef6\u8996\u754c\u671b\u9060\u93e1\uff08EHT\uff09\u300d\u8a08\u756b\uff0c\u9023\u7d50\u5168\u74038\u5ea7\u671b\u9060\u93e1\u5171\u540c\u89c0\u6e2c\uff0c\u5305\u542b\u8a72\u6240\u652f\u63f4\u7684\u6b21\u6beb\u7c73\u6ce2\u9663\u5217\u671b\u9060\u93e1\uff08SMA)\u3001\u963f\u5854\u5361\u746a\u5927\u578b\u6beb\u7c73\u53ca\u6b21\u6beb\u7c73\u6ce2\u9663\u5217\u671b\u9060\u93e1(ALMA)\u548c\u8a79\u59c6\u58eb\u514b\u62c9\u514b\u9ea5\u65af\u5a01\u723e\u671b\u9060\u93e1(JCMT)\uff0c\u5275\u5efa\u4e00\u500b\u300c\u53e3\u5f91\u5982\u4e00\u500b\u5730\u7403\u5927\u7684\u671b\u9060\u93e1\u300d\uff0c\u5176\u89e3\u6790\u529b\u4e4b\u9ad8\uff0c\u8db3\u4ee5\u6e2c\u91cf\u6708\u7403\u4e0a\u4e00\u5f35\u4fe1\u7528\u5361\u7684\u9577\u5bec\u3002\u56e0\u70ba\u6709\u5982\u6b64\u9ad8\u7684\u89e3\u6790\u529b\uff0c\u7814\u7a76\u5718\u968a\u624d\u80fd\u76f4\u63a5\u89c0\u6e2c\u5230\u9ed1\u6d1e\u9670\u5f71\u8207\u5176\u5468\u570d\u4eae\u74b0\uff0c\u4e26\u65bc\u6700\u65b0\u767c\u8868\u7684\u504f\u632f\u5149\u5716\u50cf\u4e2d\uff0c\u6e05\u695a\u5730\u770b\u5230\u4eae\u74b0\u5982\u4f55\u88ab\u78c1\u5316\u3002<\/p>\n

\u672c\u9662\u5929\u6587\u6240\u6771\u4e9e\u6838\u5fc3\u89c0\u6e2c\u806f\u76df\u6734\u937e\u6d69(Jongho Park)\u535a\u58eb\u5f8c\u7814\u7a76\u4eba\u54e1\u7d50\u8ad6\uff1a\u300cEHT\u9032\u5c55\u5feb\u901f\uff0c\u9664\u4e86\u7db2\u8def\u6280\u8853\u5347\u7d1a\u4ee5\u5916\uff0c\u4e5f\u6709\u65b0\u7684\u89c0\u6e2c\u6210\u54e1\u52a0\u5165\u3002\u6211\u5011\u9810\u671f\u672a\u4f86EHT\u89c0\u6e2c\u80fd\u66f4\u7cbe\u78ba\u5448\u73fe\u9ed1\u6d1e\u5468\u570d\u78c1\u5834\u7d50\u69cb\uff0c\u4e5f\u80fd\u544a\u8a34\u6211\u5011\u8a72\u5340\u57df\u7684\u71b1\u6c23\u9ad4\u7269\u7406\u3002\u300d<\/p>\n

\"\"

EHT\u504f\u632f\u5de5\u4f5c\u5c0f\u7d44\u6210\u54e1\u65bc2019\u5e74\u7684\u7814\u8a0e\u6703\u5f8c\u5408\u7167\u3002\u5716\u7247\u7248\u6b0a\uff1aE. Traianou\/MPIfR<\/p><\/div>\n

\u672c\u8ad6\u6587\u4f5c\u8005\u5305\u542b\u4f86\u81ea\u4e16\u754c\u5404\u5730\u591a\u6240\u6a5f\u69cb\u5927\u5b78\u7b49EHT\u5408\u4f5c\u5718\u968a\u6210\u54e1\uff0c\u5171300\u591a\u4f4d\u7814\u7a76\u4eba\u54e1\u3002\u8ad6\u6587\u9023\u7d50\uff1a
\nPaper VII: https:\/doi.org\/10.3847\/2041-8213\/abe71d<\/a>
\nPaper VIII: https:\/doi.org\/10.3847\/2041-8213\/abe4de<\/a><\/p>\n

\u5f71\u72471\uff1a\u4ec0\u9ebc\u662f\u504f\u632f\uff1f\u5f71\u7247\u4f86\u6e90\uff1a \u00a9 EHT Collaboration and Fiks Film
\nhttps:\/www.youtube.com\/watch?v=Un-9fbqlIKo<\/a>
\n\u5f71\u72472\uff1a\u78c1\u5834\u5982\u4f55\u5f71\u97ff\u89c0\u6e2c\u5230\u7684\u9ed1\u6d1e\u5f71\u50cf\uff1f\u5f71\u7247\u4f86\u6e90\uff1a\u00a9 EHT Collaboration and Crazybridge Studios
\nhttps:\/www.youtube.com\/watch?v=6xrJoPjfJGQ<\/a>
\n\u5f71\u72473\uff1a\u6df1\u5165M87\u661f\u7cfb\u4e2d\u5fc3\u770b\u5230\u9ed1\u6d1e\u7684\u65b0\u5f71\u50cf
\nhttps:\/www.youtube.com\/watch?v=ghoUhPbzFiQ<\/a>
\n\u7248\u6b0a\uff1aESO\/L. Cal\u00e7ada, Digitized Sky Survey 2, ESA\/Hubble, RadioAstron, De Gasperin et al., Kim et al., EHT Collaboration. Music: Niklas Falcke
\n\u5f71\u72474\uff1a\u4e0d\u540c\u504f\u632f\u65b9\u5411\u770b\u5230\u7684\u9ed1\u6d1e\u5f71\u50cf\u3002
\nhttps:\/www.youtube.com\/watch?v=AU2qGTpMn8I<\/a>
\n\u7248\u6b0a\uff1aI. Mart\u00ed-Vidal\/Universitat de Val\u00e8ncia, EHT Collaboration<\/p>\n

\n

(\u8a3b\u4e00)EHT\u6240\u89c0\u6e2c\u5230\u7684\u8f3b\u5c04\u70ba\u9ed1\u6d1e\u5468\u570d\u96fb\u5b50\u7e5e\u884c\u78c1\u5834\u904b\u52d5\u6240\u9020\u6210\u3002\u56e0\u70ba\u96fb\u5b50\u7e5e\u884c\u78c1\u5834\u6642\u5177\u6709\u7279\u5b9a\u7684\u904b\u52d5\u65b9\u5411\uff0c\u8b93\u6240\u767c\u51fa\u7684\u96fb\u78c1\u6ce2\u5177\u6709\u53ef\u5206\u8fa8\u7684\u7279\u6027\u3002\u65e5\u5e38\u751f\u6d3b\u4e2d\u7684\u592a\u967d\u773c\u93e1\u5c31\u662f\u4e00\u7a2e\u5206\u8fa8(\u4e26\u64cb\u4f4f)\u5177\u504f\u632f\u6027\u7684\u70ab\u5149\u7684\u7bc4\u4f8b\uff0c\u8b93\u6211\u5011\u770b\u6771\u897f\u8b8a\u5f97\u6bd4\u8f03\u6e05\u695a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u9662\u5929\u6587\u53ca\u5929\u6587\u7269\u7406\u7814\u7a76\u6240\u53c3\u8207\u7684\u300c\u4e8b\u4ef6\u8996\u754c\u671b\u9060\u93e1\uff08Event Horizon Telescope, EHT\uff09\u300d\u570b […]<\/p>\n","protected":false},"author":1,"featured_media":24285,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[4],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts\/24281"}],"collection":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/comments?post=24281"}],"version-history":[{"count":1,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts\/24281\/revisions"}],"predecessor-version":[{"id":24323,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/posts\/24281\/revisions\/24323"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/media\/24285"}],"wp:attachment":[{"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/media?parent=24281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/categories?post=24281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/newsletter.sinica.edu.tw\/wp-json\/wp\/v2\/tags?post=24281"}],"curies":[{"name":"wp","href":"https:\/api.w.org\/{rel}","templated":true}]}}