{"id":12625,"date":"2013-02-05T10:15:00","date_gmt":"2013-02-05T02:15:00","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=12625"},"modified":"2017-08-01T22:00:21","modified_gmt":"2017-08-01T14:00:21","slug":"%e3%80%90%e5%a4%a9%e6%96%87%e7%a7%91%e5%ad%b8%e3%80%91%e5%8c%97%e6%a5%b5%e6%98%9f%e9%9b%a2%e6%88%91%e5%80%91%e9%82%84%e6%98%af%e6%b2%92%e9%82%a3%e9%ba%bc%e8%bf%91","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=12625","title":{"rendered":"\u3010\u5929\u6587\u79d1\u5b78\u3011\u5317\u6975\u661f\u96e2\u6211\u5011\u9084\u662f\u6c92\u90a3\u9ebc\u8fd1"},"content":{"rendered":"<p><strong><span style=\"color: #333399;\">\u25a0 \u5929\u6587\u5b78\u5bb6\u5e7e\u5341\u5e74\u4f86\uff0c\u90fd\u662f\u7528\u50cf\u5317\u6975\u661f\u9019\u7a2e\u6046\u661f\uff0c\u505a\u70ba\u6e2c\u5b9a\u5b87\u5b99\u8ddd\u96e2\uff0c\u4f30\u7b97\u5b87\u5b99\u64f4\u5f35\u901f\u5ea6\u7684\u300c\u6a19\u6e96\u71ed\u5149\u300d\u3002\u5018\u82e5\u9023\u9019\u9ebc\u57fa\u672c\u7684\u5317\u6975\u661f\u6e2c\u8ddd\u7d50\u679c\u90fd\u9084\u6709\u5f85\u5b9a\u8ad6\uff0c\u90a3\u9ebc\u6574\u500b\u5b87\u5b99\u8ddd\u96e2\u6bd4\u4f8b\u5c3a\u5927\u6982\u90fd\u8981\u6253\u500b\u554f\u865f\u3002<\/span><\/strong><\/p>\n<figure id=\"attachment_12626\" aria-describedby=\"caption-attachment-12626\" style=\"width: 345px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/case.ntu.edu.tw\/blog\/?attachment_id=12626\" rel=\"attachment wp-att-12626\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-12626 \" title=\"NASA\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/02\/NASA.jpg\" alt=\"\" width=\"345\" height=\"419\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/02\/NASA.jpg 493w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/02\/NASA-246x300.jpg 246w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/><\/a><figcaption id=\"caption-attachment-12626\" class=\"wp-caption-text\">\u5716\u7247\u51fa\u8655\uff1aNASA\/ESA G. Bacon (STScI)<\/figcaption><\/figure>\n<p><strong>\u7de8\u8b6f<\/strong>\u2502\u9ad8\u82f1\u54f2<\/p>\n<p>&nbsp;<\/p>\n<p>\u5929\u6587\u5b78\u5bb6\u5927\u885b\uff0e\u900f\u7d0d (David Turner) \u5728\u53bb\u5e74\u5341\u4e00\u6708\u6642\u8072\u7a31\uff0c\u661f\u7a7a\u4e2d\u6700\u8457\u540d\u7684\u5317\u6975\u661f\u8207\u6211\u5011\u7684\u8ddd\u96e2\uff0c\u6bd4\u539f\u5148\u8a2d\u60f3\u7684\u9084\u8981\u9760\u8fd1 111 \u5149\u5e74\uff0c\u56e0\u6b64\u4e0a\u4e86\u982d\u689d\u65b0\u805e\u3002\u679c\u771f\u5982\u6b64\u7684\u8a71\uff0c\u9019\u9805\u767c\u73fe\u5c31\u6703\u8feb\u4f7f\u7814\u7a76\u8005\u91cd\u65b0\u601d\u8003\u4ed6\u5011\u8a08\u7b97\u5b87\u5b99\u8ddd\u96e2\u7684\u65b9\u5f0f\uff0c\u4ee5\u53ca\u4ed6\u5011\u5c0d\u5929\u9ad4\u7269\u7406\u5b78\u7684\u67d0\u4e9b\u8a8d\u77e5\u3002\u4e0d\u904e\u6709\u65b0\u7814\u7a76\u8a8d\u70ba\uff0c\u7531\u6b50\u6d32\u592a\u7a7a\u7e3d\u7f72\u53ef\u656c\u7684\u4f9d\u5df4\u8c37\u885b\u661f (Hipparcos) \uff0c\u5728\u4e8c\u5341\u591a\u5e74\u524d\u5c0d\u5317\u6975\u661f\u6240\u505a\u7684\u6e2c\u8ddd\u7d50\u679c\uff0c\u81f3\u4eca\u4f9d\u7136\u662f\u7cbe\u78ba\u7684\u3002\u5c08\u5bb6\u5011\u4f3c\u4e4e\u4e5f\u8a8d\u540c\u9019\u7a2e\u8aaa\u6cd5\u3002<\/p>\n<p>\u5929\u6587\u5b78\u5bb6\u5728\u4e00\u4e5d\u4e5d\u3007\u5e74\u4ee3\u4e2d\u671f\uff0c\u5c0d\u5317\u6975\u661f\u505a\u51fa\u53ef\u8aaa\u662f\u6700\u7cbe\u78ba\u7684\u6e2c\u8ddd\u5de5\u4f5c\u3002\u9019\u9846\u6709\u592a\u967d\u4e94\u500d\u5927\u7684\u6046\u661f\uff0c\u662f\u6240\u8b02\u7684\u300c\u7d93\u5178\u9020\u7236\u8b8a\u661f\u300d (Classical Cepheid) \uff0c\u4e5f\u5c31\u662f\u5df2\u7d93\u7528\u5b8c\u6c2b\u6c23\u71c3\u6599\uff0c\u5982\u4eca\u5728\u71c3\u71d2\u4f4d\u65bc\u6838\u5fc3\u7684\u6c26\uff0c\u8fc5\u901f\u8001\u5316\u4e2d\u7684\u5de8\u578b\u6046\u661f\u3002\u5728\u9019\u500b\u4e0d\u7a69\u5b9a\u7684\u968e\u6bb5\uff0c\u5317\u6975\u661f\u7684\u5916\u7de3\u6703\u4ee5\u5e7e\u5929\u5230\u5e7e\u500b\u6708\u70ba\u9031\u671f\uff0c\u7522\u751f\u8139\u7e2e\u73fe\u8c61\u3002\u79d1\u5b78\u5bb6\u5229\u7528\u4f9d\u5df4\u8c37\u885b\u661f\u53d6\u5f97\u5317\u6975\u661f\u7684\u4e09\u89d2\u8996\u5dee\uff0c\u85c9\u6b64\u6e2c\u91cf\u8ddd\u96e2\uff1b\u6240\u8b02\u7684\u4e09\u89d2\u8996\u5dee\u5c31\u662f\u89c0\u5bdf\u5728\u5e7e\u500b\u6708\u6216\u5e7e\u5e74\u671f\u9593\uff0c\u5317\u6975\u661f\u5728\u6211\u5011\u8996\u7dda\u4e2d\u79fb\u52d5\u7684\u904e\u7a0b\uff0c\u8207\u661f\u7a7a\u4e2d\u5176\u4ed6\u661f\u9ad4\u7684\u95dc\u4fc2\u5982\u4f55\u8b8a\u5316\u3002\u8a72\u7814\u7a76\u5718\u968a\u8a08\u7b97\u51fa\u4f86\uff0c\u5317\u6975\u661f\u8ddd\u96e2\u6211\u5011 434 \u5149\u5e74\u3002<\/p>\n<p>\u4e0d\u904e\u900f\u7d0d\u5728\u53bb\u5e74\u6311\u6230\u9019\u500b\u6578\u5b57\u7684\u7cbe\u78ba\u5ea6\u3002\u4ed6\u8ddf\u4ed6\u7684\u7814\u7a76\u5718\u968a\u904b\u7528\u5149\u8b5c\u6280\u8853\uff0c\u5c0d\u5317\u6975\u661f\u9032\u884c\u5206\u5149\u6ce2\u9577\u5206\u6790\uff0c\u4e26\u4e14\u8ddf\u5317\u6975\u661f\u7684 23 \u9053\u5149\u8b5c\u9032\u884c\u6bd4\u5c0d\u3002\u5929\u6587\u5b78\u5bb6\u5f9e\u9019\u9805\u65b0\u8cc7\u6599\u8ddf\u5317\u6975\u661f\u5df2\u77e5\u7684\u8996\u661f\u7b49\uff0c\u5c31\u80fd\u5728\u5176\u5149\u8b5c\u4e2d\u6bd4\u8f03\u4eae\u5ea6\u6bd4\u7387\uff0c\u5f9e\u800c\u63a8\u7b97\u51fa\u5176\u7d55\u5c0d\u661f\u7b49\u3002\u76f8\u8f03\u4e4b\u4e0b\uff0c\u4f9d\u5df4\u8c37\u885b\u661f\u7684\u7814\u7a76\u5718\u968a\u7b97\u51fa\u7684\u5317\u6975\u661f\u7d55\u5c0d\u4eae\u5ea6\uff0c\u6bd4\u900f\u7d0d\u7684\u5718\u968a\u7b97\u51fa\u7684\u8981\u4eae\u5f97\u591a\u3002\u5373\u4f7f\u5982\u6b64\uff0c\u900f\u7d0d\u7684\u5718\u968a\u9084\u662f\u7528\u4ed6\u5011\u81ea\u5df1\u7b97\u51fa\u7684\u7d55\u5c0d\u4eae\u5ea6\uff0c\u4f86\u8a08\u7b97\u5317\u6975\u661f\u7684\u771f\u6b63\u984f\u8272\u8207\u6eab\u5ea6\uff0c\u6700\u5f8c\u5c31\u7b97\u51fa\u4e86 323 \u5149\u5e74\u9019\u500b\u65b0\u7684\u8ddd\u96e2\u3002<!--more--><\/p>\n<p>\u73fe\u5728\u4f9d\u5df4\u8c37\u885b\u661f\u5718\u968a\u7576\u5e74\u7684\u5176\u4e2d\u4e00\u540d\u6210\u54e1\uff0c\u73fe\u4efb\u528d\u6a4b\u5927\u5b78\u7814\u7a76\u54e1\u7684\u4f0f\u6d1b\u723e\uff0e\u8303\u9b6f\u6587 (Floor van Leeuwen) \uff0c\u6372\u571f\u91cd\u4f86\u52a0\u4ee5\u99c1\u65a5\u3002\u8303\u9b6f\u6587\u5728\u4e00\u7bc7\u5373\u5c07\u767c\u8868\u65bc\u4e0b\u4e00\u671f\u300a\u5929\u6587\u5b78\u8207\u5929\u6587\u7269\u7406\u5b78\u300b\u671f\u520a\u7684\u8ad6\u6587\u4e2d\u6307\u51fa\uff0c\u4f9d\u5df4\u8c37\u885b\u661f\u5718\u968a\u6b77\u6642\u4e09\u5e74\uff0c\u5c0d\u5317\u6975\u661f\u505a\u4e86 127 \u6b21\u6e2c\u91cf\uff0c\u5176\u4e2d\u6709 124 \u6b21\u53ef\u8aaa\u662f\u300c\u78ba\u5be6\u7121\u8aa4\u300d\u3002\u6839\u64da\u4ed6\u7684\u8a08\u7b97\uff0c\u4f9d\u5df4\u8c37\u885b\u661f\u7684\u6e2c\u91cf\u7d50\u679c\u8981\u8d85\u51fa\u5176\u8aa4\u5dee\u7bc4\u570d 23 \u500d\u4e4b\u591a\uff0c\u900f\u7d0d\u624d\u6709\u53ef\u80fd\u662f\u5c0d\u7684\u3002\u300c\u6211\u5728\u8ad6\u6587\u4e2d\u5c31\u662f\u8981\u6307\u51fa\uff0c\u5f9e\u4f9d\u5df4\u8c37\u885b\u661f\u7684\u8cc7\u6599\u4f86\u770b\uff0c\u900f\u7d0d\u6240\u8a00\u76f8\u7576\u4e0d\u53ef\u4fe1\uff0c\u300d\u8303\u9b6f\u6587\u8aaa\u3002\u300c\u4f60\u8981\u662f\u8a8d\u70ba\u900f\u7d0d\u7684\u6a21\u578b\u6bd4\u5be6\u969b\u6e2c\u91cf\u7d50\u679c\uff0c\u66f4\u80fd\u5920\u7cbe\u6e96\u9810\u6e2c\u661f\u9ad4\u8ddd\u96e2\uff0c\u90a3\u5c31\u662f\u628a\u79d1\u5b78\u539f\u7406\u6574\u500b\u6417\u4e82\u4e86\u3002\u300d<\/p>\n<p>\u8303\u9b6f\u6587\u53cd\u800c\u8a8d\u70ba\uff0c\u9019\u77db\u76fe\u51fa\u5728\u900f\u7d0d\u7b49\u4eba\u89e3\u8b80\u5317\u6975\u661f\u4eae\u5ea6\u7684\u65b9\u5f0f\uff0c\u5c24\u5176\u662f\u5728\u65bc\u4ed6\u5011\u600e\u9ebc\u628a\u5317\u6975\u661f\u7684\u4eae\u5ea6\uff0c\u8207\u6211\u5011\u6240\u77e5\u5317\u6975\u661f\u7684\u8108\u52d5\u65b9\u5f0f\u626f\u5728\u4e00\u8d77\u7684\u3002\u8303\u9b6f\u6587\u5728\u8ad6\u6587\u4e2d\u65b7\u8a00\uff0c\u900f\u7d0d\u5c31\u662f\u56e0\u6b64\u5927\u5927\u4f4e\u4f30\u4e86\u5317\u6975\u661f\u7684\u4eae\u5ea6\uff0c\u5c0e\u81f4\u4ed6\u5011\u4e5f\u4f4e\u4f30\u4e86\u5317\u6975\u661f\u7684\u8ddd\u96e2\u3002<\/p>\n<p>\u5929\u6587\u5b78\u5bb6\u7fa4\u8d77\u652f\u6301\u8303\u9b6f\u6587\u7684\u8aaa\u6cd5\u3002\u300c\u900f\u7d0d\u7b49\u4eba\u8072\u7a31\u4ed6\u5011\u63e1\u6709\u7684\u8b49\u64da\uff0c\u5728\u6211\u770b\u4f86\u76f8\u7576\u4e0d\u7262\u9760\u3002\u300d\u958b\u666e\u6566\u5927\u5b78\u7684\u9ea5\u514b\uff0e\u8cbb\u65af\u7279 (Michael Feast) \u8aaa\u3002\u4ed6\u9084\u8aaa\u4f9d\u5df4\u8c37\u885b\u661f\u5718\u968a\u7b97\u51fa\u7684\u5317\u6975\u661f\u8ddd\u96e2\uff0c\u76f8\u5c0d\u800c\u8a00\u300c\u4f3c\u4e4e\u883b\u53ef\u9760\u7684\u300d\u3002\u7dad\u62c9\u8afe\u74e6\u5927\u5b78\u5929\u6587\u5b78\u5bb6\u53f2\u8003\u7279\uff0e\u6069\u683c (Scott Engle) \u5247\u8a8d\u70ba\u8303\u9b6f\u6587\u7684\u6578\u64da\u300c\u76f8\u7576\u6709\u529b\uff0c\u7121\u6cd5\u5ffd\u8996\u300d\uff0c\u4ed6\u8aaa\u6bd4\u8d77\u900f\u7d0d\u7684\u5149\u8b5c\u8996\u5dee\u6cd5\uff0c\u4ed6\u6bd4\u8f03\u9858\u610f\u76f8\u4fe1\u4f9d\u5df4\u8c37\u885b\u661f\u7684\u4e09\u89d2\u8996\u5dee\u6e2c\u91cf\u7d50\u679c\uff0c\u662f\u6e2c\u91cf\u661f\u9ad4\u8ddd\u96e2\u66f4\u76f4\u63a5\u7684\u65b9\u5f0f\u3002<\/p>\n<p>\u9019\u5834\u8faf\u8ad6\u53ef\u4e0d\u53ea\u662f\u5b78\u8853\u4e4b\u722d\u3002\u5929\u6587\u5b78\u5bb6\u5e7e\u5341\u5e74\u4f86\uff0c\u90fd\u662f\u7528\u50cf\u5317\u6975\u661f\u9019\u7a2e\u6046\u661f\uff0c\u505a\u70ba\u6e2c\u5b9a\u5b87\u5b99\u8ddd\u96e2\uff0c\u4f30\u7b97\u5b87\u5b99\u64f4\u5f35\u901f\u5ea6\u7684\u300c\u6a19\u6e96\u71ed\u5149\u300d\u3002\u5018\u82e5\u9023\u9019\u9ebc\u57fa\u672c\u7684\u5317\u6975\u661f\u6e2c\u8ddd\u7d50\u679c\u90fd\u9084\u6709\u5f85\u5b9a\u8ad6\uff0c\u90a3\u9ebc\u6574\u500b\u5b87\u5b99\u8ddd\u96e2\u6bd4\u4f8b\u5c3a\u5927\u6982\u90fd\u8981\u6253\u500b\u554f\u865f\uff0c\u9019\u9ebc\u4e00\u4f86\u5929\u6587\u5b78\u5bb6\u5c31\u4e0d\u5f97\u4e0d\u61f7\u7591\uff0c\u4f9d\u5df4\u8c37\u885b\u661f\u7684\u5341\u4e8c\u842c\u7b46\u6046\u661f\u6e2c\u8ddd\u7d50\u679c\u5230\u5e95\u6709\u591a\u53ef\u9760\u3002<\/p>\n<p>\u5929\u6587\u5b78\u5bb6\u61c9\u8a72\u5f88\u5feb\u5c31\u80fd\u6709\u500b\u5b9a\u8ad6\u3002\u5fb7\u5dde\u5927\u5b78\u5929\u6587\u5b78\u5bb6\u82ad\u82ad\u62c9\uff0e\u9ea5\u514b\u963f\u745f (Barbara McArthur) \u8868\u793a\uff0c\u5979\u60f3\u8981\u6536\u96c6\u6700\u8fd1\u7684\u8cc7\u6599\uff0c\u7d66\u5927\u5bb6\u8a8d\u70ba\u8ddd\u96e2\u5730\u7403\u8ddf\u5317\u6975\u661f\u5dee\u4e0d\u591a\u7684\u4f34\u661f\u300c\u5317\u6975\u661f\uff22\u300d\uff0c\u7b97\u51fa\u4e00\u500b\u65b0\u7684\u8996\u5dee\u6e2c\u8ddd\u7d50\u679c\u3002\u5979\u8aaa\u9019\u5c0d\u65bc\u5224\u5b9a\u4f9d\u5df4\u8c37\u885b\u661f\u7684\u5317\u6975\u661f\u76f4\u63a5\u6e2c\u8ddd\u7d50\u679c\uff0c\u662f\u5426\u771f\u7684\u6bd4\u900f\u7d0d\u7684\u9593\u63a5\u6e2c\u8ddd\u6cd5\u66f4\u70ba\u7cbe\u78ba\uff0c\u61c9\u7576\u6703\u5927\u6709\u5e6b\u52a9\u3002<br \/>\n--<\/p>\n<pre><span style=\"color: #333333;\"> \u5831\u5c0e\u51fa\u8655\uff1a<strong><a href=\"http:\/\/news.sciencemag.org\/sciencenow\/2013\/01\/polaris-not-so-close-after-all.html\">Polaris: Not So Close After All<\/a><\/strong><\/span><\/pre>\n<p><span style=\"color: #333399;\"><strong><strong>\u8cac\u4efb\u7de8\u8f2f\uff1aNita Hsu<\/strong><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0 \u5929\u6587\u5b78\u5bb6\u5e7e\u5341\u5e74\u4f86\uff0c\u90fd\u662f\u7528\u50cf\u5317\u6975\u661f\u9019\u7a2e<\/p>\n","protected":false},"author":20,"featured_media":12626,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1022,3293],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/02\/NASA.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12625"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12625"}],"version-history":[{"count":9,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12625\/revisions"}],"predecessor-version":[{"id":29193,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/12625\/revisions\/29193"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/12626"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}