{"id":65772,"date":"2015-10-02T09:12:42","date_gmt":"2015-10-02T01:12:42","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=65772"},"modified":"2021-10-06T16:08:19","modified_gmt":"2021-10-06T08:08:19","slug":"%e5%a4%a9%e6%96%87%e5%ad%b8%e5%ae%b6%e8%a7%a3%e8%ae%80%e6%84%9b%e5%9b%a0%e6%96%af%e5%9d%a6%e7%92%b0%e7%8f%be%e8%b1%a1-%e6%8e%a8%e8%ab%96sdp-81%e5%89%8d%e6%99%af%e6%98%9f%e7%b3%bb%e7%9a%84%e9%bb%91","status":"publish","type":"post","link":"http:\/\/localhost\/%e5%a4%a9%e6%96%87%e5%ad%b8%e5%ae%b6%e8%a7%a3%e8%ae%80%e6%84%9b%e5%9b%a0%e6%96%af%e5%9d%a6%e7%92%b0%e7%8f%be%e8%b1%a1-%e6%8e%a8%e8%ab%96sdp-81%e5%89%8d%e6%99%af%e6%98%9f%e7%b3%bb%e7%9a%84%e9%bb%91\/","title":{"rendered":"\u5929\u6587\u5b78\u5bb6\u89e3\u8b80\u611b\u56e0\u65af\u5766\u74b0\u73fe\u8c61 \u63a8\u8ad6SDP.81\u524d\u666f\u661f\u7cfb\u7684\u9ed1\u6d1e\u8cea\u91cf\u5927\u65bc3\u5104\u500b\u592a\u967d"},"content":{"rendered":"

\u5929\u6587\u5b78\u5bb6\u89e3\u8b80\u611b\u56e0\u65af\u5766\u74b0\u73fe\u8c61\u3000\u63a8\u8ad6SDP.81\u524d\u666f\u661f\u7cfb\u7684\u9ed1\u6d1e\u8cea\u91cf\u5927\u65bc3\u5104\u500b\u592a\u967d<\/strong><\/span>
\n\u4e2d\u592e\u7814\u7a76\u9662\u5929\u6587\u53ca\u5929\u6587\u7269\u7406\u6240104\u5e749\u670830\u65b0\u805e\u7a3f<\/strong><\/span><\/p>\n

\"Einstein-ring-SDP.81-2-sq\"<\/a>

Highest-resolution observation ever of the gravitational lens system SDP.81, and its Einstein ring. Image via ALMA (NRAO\/ESO\/NAOJ); B. Saxton NRAO\/AUI\/NSF<\/p><\/div>\n

\u7531\u4e2d\u592e\u7814\u7a76\u9662\u5929\u6587\u53ca\u5929\u6587\u7269\u7406\u7814\u7a76\u6240\u9ec3\u6d3b\u751f\u535a\u58eb\u5f8c\u7814\u7a76\u3001\u8607\u6e38\u7444\u52a9\u7814\u7a76\u54e1\u3001\u677e\u4e0b\u8070\u6a39\u526f\u7814\u7a76\u54e1\u7b493\u4eba\u7d44\u6210\u7684\u7814\u7a76\u5718\u968a\uff0c\u91dd\u5c0d\u5929\u6587\u671b\u9060\u93e1\u300c\u963f\u5854\u5361\u746a\u5927\u578b\u6beb\u7c73\u53ca\u6b21\u6beb\u7c73\u6ce2\u9663\u5217\u300d(Atacama Large Millimeter\/ submillimeter Array, ALMA)\u6240\u62cd\u651d\u4e4b\u4e00\u5f35\u53f2\u4e0a\u89e3\u6790\u5ea6\u6700\u9ad8\u7684\u91cd\u529b\u900f\u93e1\u5f71\u50cf\uff08\u6b64\u4f8b\u5f62\u6210\u300c\u611b\u56e0\u65af\u5766\u74b0\u300d\u73fe\u8c61\uff09\uff0c\u8fd1\u65e5\u5b8c\u6210\u65b0\u7684\u5206\u6790\u4e26\u767c\u8868\u8ad6\u6587\u3002\u4ed6\u5011\u63a8\u8ad6\u5728\u9019\u500b\u540d\u70baSDP.81\u7684\u91cd\u529b\u900f\u93e1\u7cfb\u7d71\u7684\u4e2d\u5fc3\u4f4d\u7f6e\uff0c\u61c9\u8a72\u6709\u500b\u4e0d\u5c0f\u7684\u9ed1\u6d1e\uff0c\u4e14\u4f30\u7b97\u51fa\u6b64\u9ed1\u6d1e\u8cea\u91cf\u8d85\u904e3\u5104\u500b\u592a\u967d\u3002\u7531\u65bc\u9ed1\u6d1e\u8cea\u91cf\u7684\u6e2c\u91cf\uff0c\u662f\u91d0\u6e05\u9ed1\u6d1e\u5bbf\u4e3b\u661f\u7cfb\u548c\u9ed1\u6d1e\u5171\u6f14\u5316\u5f62\u6210\u904e\u7a0b\u7684\u95dc\u9375\uff0c\u6a19\u793a\u8457ALMA\u671b\u9060\u93e1\u5177\u5099\u63a2\u7d22\u6700\u65b0\u524d\u6cbf\u79d1\u5b78\u9818\u57df\u7684\u91cd\u8981\u9032\u5c55\uff0c\u300a\u5929\u6587\u7269\u7406\u5b78\u671f\u520a\u300b(The Astrophysical Journal)<\/em>\u65bc2015\u5e749\u670828\u65e5\u520a\u767b\u9019\u9805\u7814\u7a76\u6210\u679c\u3002<\/span><\/p>\n

\u7814\u7a76\u5718\u968a\u6b64\u6b21\u5206\u6790\u7684\u91cd\u529b\u900f\u93e1\u5f71\u50cf\uff0c\u662fALMA\u65bc\u53bb\u5e7412\u6708\u9996\u6b21\u555f\u52d5\u5b8c\u6574\u6700\u5927\u9663\u5217\u7d44\u614b\u9032\u884c\u5929\u9ad4\u89c0\u6e2c\u6642\uff0c\u5c0dSDP.81\u7cfb\u7d71\u6240\u53d6\u5f97\u7684\u8cc7\u6599\u7d44\uff0c\u65bc\u4eca\u5e742\u6708\u516c\u958b\u7d66\u5168\u7403\u5929\u6587\u5b78\u5bb6\u5206\u6790\u4f7f\u7528\u3002\u9019\u5f35\u7f55\u898b\u7f8e\u9e97\u7684\u5149\u74b0\u5f71\u50cf\uff0c\u5448\u73fe\u5305\u62ec\u4eba\u985e\u5c45\u4f4f\u7684\u5730\u7403\u5728\u5167\uff0c\u6700\u9577\u8ddd\u96e2\u70ba120\u5104\u5149\u5e74\u7684\u4e09\u500b\u5929\u9ad4\uff0c\u56e0\u4f4d\u7f6e\u8207\u91cd\u529b\u6240\u5448\u73fe\u7684\u7279\u6b8a\u95dc\u4fc2\u3002<\/p>\n

\u7814\u7a76\u5718\u968a\u89e3\u91cb\uff0c\u5728\u9019\u5f35\u96e3\u5f97\u7684\u611b\u56e0\u65af\u5766\u74b0\u73fe\u8c61\u7684SDP.81\u7cfb\u7d71\u4e2d\uff0c\u5176\u5be6\u5305\u62ec\u524d\u666f\u661f\u7cfb(\u8ddd\u96e2\u5730\u740340\u5104\u5149\u5e74)\uff0c\u4ee5\u53ca\u80cc\u666f\u661f\u7cfb(\u8ddd\u96e2\u5730\u7403120\u5104\u5149\u5e74)\u3002\u80cc\u666f\u661f\u7cfb\u7684\u5f71\u50cf\uff0c\u662f\u53d7\u91cd\u529b\u4f5c\u7528\u5f71\u97ff\uff0c\u5f71\u50cf\u88ab\u653e\u5927\u4e14\u8b8a\u5f62\u70ba\u74b0\u72c0\u3002\u5f62\u6210\u91cd\u529b\u900f\u93e1\u9019\u7a2e\u7279\u5225\u73fe\u8c61\u7684\u539f\u56e0\uff0c\u662f\u89c0\u5bdf\u8005\u8207\u9019\u5169\u500b\u661f\u7cfb\u7684\u4f4d\u7f6e\u525b\u597d\u6392\u5217\u6210\u76f4\u7dda\u3002\u5f9e\u5730\u7403\u89d2\u5ea6\u4f86\u770b\uff0cSDP.81\u88e1\u7684\u524d\u666f\u661f\u7cfb\u8cea\u91cf\u5f88\u5927\uff0c\u5b83\u628aSDP.81\u80cc\u666f\u661f\u7cfb\u6240\u767c\u51fa\u7684\u5149\uff0c\u8b8a\u5f62\u6210\u63a5\u8fd1\u4e00\u500b\u5713\u74b0\u7684\u5f62\u72c0\u3002SDP.81\u7684\u80cc\u666f\u661f\u7cfb\u6db5\u85cf\u8457\u5927\u91cf\u7684\u5875\u57c3\uff0c\u56e0\u6046\u661f\u6d3b\u8e8d\u5730\u5f62\u6210\u3001\u4e0d\u65b7\u88ab\u52a0\u71b1\uff0c\u6240\u4ee5\u5728\u6b21\u6beb\u7c73\u6ce2\u6bb5\u5f88\u660e\u4eae\uff0c\u9019\u6a23\u7684\u661f\u7cfb\u6700\u9069\u5408\u7528ALMA\u671b\u9060\u93e1\u4f86\u89c0\u6e2c\u3002ALMA\u662f\u5c08\u9580\u89c0\u6e2c\u6b21\u6beb\u7c73\u6ce2\u6bb5\u7684\u96fb\u6ce2\u671b\u9060\u93e1\uff0c\u5875\u57c3\u8d8a\u591a\u8d8a\u6709\u76ca\u65bc\u89c0\u6e2c\u3002<\/p>\n

\u6b64\u6b21\u7814\u7a76\u5718\u968a\u900f\u904e\u9ad8\u89e3\u6790\u5ea6\u611b\u56e0\u65af\u5766\u74b0\u5716\u50cf\u6240\u900f\u9732\u7684\u91cd\u529b\u900f\u93e1\u6548\u61c9\u53ca\u8cc7\u6599\uff0c\u5f97\u77e5\u5728SDP.81\u74b0\u72c0\u5340\u57df\u4ee5\u5167\u7684\u8cea\u91cf\u7d04\u76f8\u7576\u65bc3\u53435\u767e\u5104\u500b\u592a\u967d\u8cea\u91cf\u3002\u9032\u4e00\u6b65\u7528\u7406\u8ad6\u63a8\u7b97\u51fa\u524d\u666f\u661f\u7cfb\u61c9\u8a72\u6709\u500b\u8cea\u91cf\u5927\u65bc3\u5104\u500b\u592a\u967d\u7684\u5927\u9ed1\u6d1e\u5728SDP.81\u7cfb\u7d71\u4e2d\u5fc3\u9644\u8fd1\uff0c\u5f9e\u900f\u93e1\u7406\u8ad6\u4e2d\u5df2\u77e5\uff0c\u900f\u93e1\u7cfb\u7d71\u7684\u4e2d\u5fc3\u5f71\u50cf\u5c0d\u4f4d\u7f6e\u5728\u524d\u666f\u661f\u7cfb\u4e2d\u7684\u8d85\u5927\u8cea\u91cf\u9ed1\u6d1e\u6703\u5f88\u300c\u654f\u611f\u300d\u2500\u2500\u9ed1\u6d1e\u8d8a\u5927\uff0c\u4e2d\u5fc3\u5f71\u50cf\u5c31\u8d8a\u6697\u3002<\/p>\n

\u8ad6\u6587\u7b2c\u4e00\u4f5c\u8005\u9ec3\u6d3b\u751f\u66f4\u9032\u4e00\u6b65\u89e3\u91cb\u4e86\u9019\u500b\u5716\u50cf\u80cc\u5f8c\u7684\u79d1\u5b78\u610f\u7fa9\uff0c\u4ed6\u8aaa\u5e7e\u4e4e\u6240\u6709\u5927\u661f\u7cfb\u7684\u4e2d\u5fc3\u90fd\u6709\u4e00\u500b\u5927\u9ed1\u6d1e\uff0c\u4f8b\u5982SDP.81\u7cfb\u7d71\u4e2d\u7684\u524d\u666f\u661f\u7cfb\uff0c\u300c\u9019\u7a2e\u9ed1\u6d1e\u7684\u8cea\u91cf\u7bc4\u570d\u53ef\u80fd\u5728\u767e\u842c\u5230\u5e7e\u5341\u5104\u592a\u967d\u8cea\u91cf\u4e4b\u9593\uff0c\u4f46\u662f\u80fd\u8b93\u6211\u5011\u76f4\u63a5\u8a08\u7b97\u9ed1\u6d1e\u8cea\u91cf\u7684\uff0c\u53ea\u9650\u65bc\u9130\u8fd1\u65bc\u6211\u5011\u9280\u6cb3\u7cfb\u7684\u9644\u8fd1\u661f\u7cfb\uff0c\u56e0\u70ba\u6709ALMA\u9019\u6a23\u9ad8\u9748\u654f\u5ea6\u7684\u5148\u9032\u5100\u5668\uff0c\u9023\u4f4d\u65bc\u900f\u93e1\u661f\u7cfb\u4e2d\u5fc3\u7684\u9eef\u6de1\u5f71\u50cf\u90fd\u80fd\u63a2\u6e2c\u7684\u5230\uff0c\u6240\u4ee5\u6211\u5011\u624d\u80fd\u5f97\u77e5\u90a3\u4e9b\u4f4d\u7f6e\u66f4\u9059\u9060\u7684\u9ed1\u6d1e\uff0c\u8cea\u91cf\u662f\u591a\u5c11\u3002\u300d\u80fd\u53d6\u5f97\u66f4\u9059\u9060\u7684\u9ed1\u6d1e\u8cea\u91cf\uff0c\u5c0d\u65bc\u77ad\u89e3\u9ed1\u6d1e\u5bbf\u4e3b\u661f\u7cfb\u548c\u9ed1\u6d1e\u751f\u9577\u7684\u904e\u7a0b\u662f\u5f88\u91cd\u8981\u7684\u95dc\u9375\u3002<\/p>\n

\u9ec3\u6d3b\u751f\u535a\u58eb\u8aaa\uff0c\u6b64\u6b21\u6240\u5206\u6790\u7684\u9019\u5f35\u5716\u50cf\u542b\u6709\u5927\u91cf\u8cc7\u8a0a\u7d30\u7bc0\uff0c\u662f\u53f2\u4e0a\u89e3\u6790\u5ea6\u6700\u9ad8\u7684\u91cd\u529b\u900f\u93e1\u6548\u61c9\u5716\u50cf\uff0c\u89e3\u6790\u529b\u9060\u9060\u8d85\u8d8a\u592a\u7a7a\u671b\u9060\u93e1\u3002<\/p>\n

\u8607\u6e38\u7444\u52a9\u7814\u7a76\u54e1\u8aaa\uff0c\u300c\u9019\u610f\u5473\u8457ALMA\u8de8\u5165\u4e86\u4e00\u500b\u65b0\u9818\u57df\uff0c\u80fd\u70ba\u900f\u93e1\u661f\u7cfb\u4e2d\u5fc3\u7684\u5927\u9ed1\u6d1e\u6e2c\u91cf\u8cea\u91cf\uff0c\u9019\u662f\u53ef\u898b\u5149\u6ce2\u6bb5\u7684\u5100\u5668\u4e0d\u53ef\u80fd\u8fa6\u5230\u7684\u4e8b\u3002\u300d<\/p>\n

\u677e\u4e0b\u8070\u6a39\u526f\u7814\u7a76\u54e1\u5247\u8868\u793a\uff0c\u5b8c\u6574\u9663\u5217\u6a21\u5f0f\u7684ALMA\u529f\u80fd\u6975\u5f37\uff0c\u80fd\u5be6\u73fe\u4efb\u4f55\u5176\u4ed6\u5929\u6587\u5100\u5668\u4e0d\u80fd\u53d6\u5f97\u7684\u89c0\u6e2c\u7d50\u679c\uff0c\u8de8\u5165\u4e86\u5d84\u65b0\u7684\u79d1\u5b78\u9818\u57df\uff0c\u6b64\u7814\u7a76\u6210\u679c\u4ea6\u662f\u904e\u53bb\u4e94\u5e74\u4f86\u5929\u6587\u6240\u4ee3\u8868\u81fa\u7063\u53c3\u8207ALMA\u8a08\u756b\u7684\u8ca2\u737b\u4e4b\u4e00\u3002<\/p>\n

\u4e09\u4f4d\u7814\u7a76\u4eba\u54e1\u4e26\u4e14\u5df2\u7d93\u8207\u65e5\u672c\u5408\u4f5c\uff0c\u9032\u4e00\u6b65\u7372\u5f97ALMA\u7684\u65b0\u89c0\u6e2c\u6642\u9593\uff0c\u672a\u4f86\u4e00\u5e74\u5167\u4ed6\u5011\u4e26\u5c07\u5c55\u958b\u5c0d\u5176\u4ed6\u548cSDP.81\u985e\u4f3c\u7684\u900f\u93e1\u661f\u7cfb\u7684\u89c0\u6e2c\u8a08\u756b\u3002\u65b0\u89c0\u6e2c\u5c0d\u8c61\u7684\u4e2d\u5fc3\u5f71\u50cf\u66f4\u70ba\u660e\u4eae\uff0c\u4ed6\u5011\u9810\u671f\u4e0b\u6b21\u7684\u89c0\u6e2c\u7d50\u679c\uff0c\u5c07\u80fd\u76f4\u63a5\u53d6\u5f97\u90a3\u500b\u9ed1\u6d1e\u8cea\u91cf\u7684\u4e0a\u9650\u8cc7\u6599\u3002\u4ed6\u5011\u4e5f\u76f8\u4fe1\uff0c\u501f\u52a9ALMA\u7684\u5148\u9032\u529f\u80fd\uff0c\u5c07\u80fd\u5c0d\u5927\u9ed1\u6d1e\u4ee5\u53ca\u5176\u6240\u68f2\u5bbf\u7684\u5927\u8cea\u91cf\u661f\u7cfb\u4e4b\u751f\u9577\u548c\u6f14\u5316\u95dc\u4fc2\uff0c\u7e7c\u7e8c\u505a\u6df1\u5165\u7814\u7a76\u3002<\/p>\n

ALMA\u662f\u8de8\u570b\u5408\u4f5c\u7684\u8d85\u5927\u578b\u96fb\u6ce2\u671b\u9060\u93e1\u9663\u5217\u8a08\u756b\uff0c\u75311998\u5e74\u958b\u59cb\u7c4c\u5efa\uff0c2013\u5e743\u6708\u8209\u884c\u843d\u6210\u5178\u79ae\u3002ALMA\u671b\u9060\u93e1\u9663\u5217\u670954\u5ea7\u53e3\u5f91\u5bec12\u7c73\u7684\u5929\u7dda\u4ee5\u53ca12\u5ea77\u7c73\u7684\u5929\u7dda\uff0c\u7e3d\u517166\u5ea7\u5929\u7dda\u4e00\u8d77\u5354\u540c\u5de5\u4f5c\uff0c\u53ef\u6355\u6349\u6beb\u7c73\u6ce2\u548c\u6b21\u6beb\u7c73\u6ce2\uff0c\u5176\u89e3\u6790\u5ea6\u53ef\u90540.01\u89d2\u79d2\u3002ALMA\u53ef\u63d0\u4f9b\u5b87\u5b99\u5206\u5b50\u6c23\u9ad4\u3001\u5927\u7206\u70b8\u8f3b\u5c04\u4ee5\u53ca\u661f\u969b\u5875\u57c3\u7b49\u66f4\u7cbe\u78ba\u7684\u7814\u7a76\u6578\u64da\u3002<\/p>\n

\n

\u8ad6\u6587\u53c3\u8003\u7db2\u7ad9\uff1ahttp:\/\/iopscience.iop.org\/article\/10.1088\/0004-637X\/811\/2\/115\/meta<\/a><\/p>\n

 <\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

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