{"id":672,"date":"2019-09-22T13:00:53","date_gmt":"2019-09-22T04:00:53","guid":{"rendered":"https:\/\/www.bao.city.ibara.okayama.jp\/?p=672"},"modified":"2019-09-27T22:58:11","modified_gmt":"2019-09-27T13:58:11","slug":"%e3%83%9c%e3%83%aa%e3%82%be%e3%83%95%e5%bd%97%e6%98%9f-borisov-c-2019-q4%e3%81%ae%e8%a6%b3%e6%b8%ac","status":"publish","type":"post","link":"https:\/\/www.bao.city.ibara.okayama.jp\/?p=672","title":{"rendered":"\u89b3\u6e2c\u53f2\u4e0a\u521d\u306e\u6052\u661f\u9593\u5f57\u661f\u3001\u30dc\u30ea\u30bd\u30d5\u5f57\u661f\u306e\u89b3\u6e2c"},"content":{"rendered":"\n
\"\"<\/a>
\u7f8e\u661f\u5929\u6587\u53f0\u3067\u6349\u3048\u305f\u6052\u661f\u9593\u5f57\u661fC\/2019 Q4 \u30dc\u30ea\u30bd\u30d5\u306e\u5199\u771f<\/figcaption><\/figure>\n\n\n\n

2019\u5e748\u670830\u65e5\u306b\u30af\u30ea\u30df\u30a2\u5929\u4f53\u7269\u7406\u5929\u6587\u53f0\u3067\u767a\u898b\u3055\u308c\u305f\u30dc\u30ea\u30bd\u30d5\u5f57\u661f(2I\/Borisov, \u65e7C\/2019 Q4)\u306f\u3001\u305d\u306e\u72ec\u7279\u306a\u53cc\u66f2\u9762\u8ecc\u9053\u304b\u3089\u3001\u6211\u3005\u306e\u592a\u967d\u7cfb\u306e\u5916\u304b\u3089\u3084\u3063\u3066\u304d\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u6052\u661f\u9593\u5f57\u661f\u3067\u3059\u3002\u30002017\u5e74\u306b\u898b\u3064\u304b\u3063\u305f\u30aa\u30a6\u30e0\u30a2\u30e0\u30a2(\u02bbOumuamua)\u306b\u6b21\u3044\u3067\u3001\u89b3\u6e2c\u53f2\u4e0a2\u756a\u76ee\u306e\u592a\u967d\u7cfb\u5916\u304b\u3089\u3084\u3063\u3066\u304d\u305f\u5929\u4f53(\u30aa\u30a6\u30e0\u30a2\u30e0\u30a2\u306f\u5c0f\u60d1\u661f\u3067\u3042\u308a\u3001\u5f57\u661f\u3068\u3057\u3066\u306f\u30dc\u30ea\u30bd\u30d5\u5f57\u661f\u304c\u53f2\u4e0a\u521d)\u3068\u8003\u3048\u3089\u308c\u3066\u304a\u308a\u3001\u3069\u3053\u304b\u3089\u3084\u3063\u3066\u304d\u305f\u306e\u304b\u3001\u592a\u967d\u7cfb\u5916\u306e\u7269\u8cea\u304c\u3069\u306e\u3088\u3046\u306a\u69cb\u6210\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u306a\u3069\u3092\u8abf\u3079\u308b\u7d76\u597d\u306e\u6a5f\u4f1a\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u7f8e\u661f\u5929\u6587\u53f0\u3067\u306f\u3001\u6052\u661f\u9593\u5f57\u661f\u767a\u898b\u306e\u5831\u3092\u53d7\u3051\u3001\u3053\u306e\u672a\u77e5\u306a\u308b\u5929\u4f53\u3092\u6349\u3048\u308b\u3079\u304f\u89b3\u6e2c\u3092\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002 \u4e0a\u306e\u5199\u771f\u306f\u3001\u65e5\u672c\u6642\u95939\u670815\u65e5\u30689\u670816\u65e5\u306e\u671d\u3001\u7f8e\u661f\u5929\u6587\u53f0101cm\u671b\u9060\u93e1\u3067\u64ae\u3089\u308c\u305f\u30dc\u30ea\u30bd\u30d5\u5f57\u661f\u306e\u5199\u771f\u3067\u3059\u3002\u5199\u771f\u4e2d\u3001\u8d64\u3044\u7dda\u3067\u6307\u3057\u793a\u3055\u308c\u3066\u3044\u308b\u5929\u4f53\u304c\u30dc\u30ea\u30bd\u30d5\u5f57\u661f\u3067\u3059\u3002 \u3053\u306e\u5f57\u661f\u306f\u307e\u3060\u5730\u7403\u304b\u3089\u9060\u304f\u96e2\u308c\u305f\u5834\u6240(3.5 AU, \u7d045\u5104km)\u306b\u3042\u308b\u305f\u3081\u3001\u975e\u5e38\u306b\u6de1\u304f\u3057\u304b\u898b\u3048\u307e\u305b\u3093(\uff5e17\u7b49\u7d1a)\u3002 \u5468\u56f2\u306e\u661f\u304c\u7dda\u306b\u4f38\u3073\u3066\u3044\u308b\u306e\u306f\u3001\u671b\u9060\u93e1\u306e\u8996\u91ce\u3092\u5f57\u661f\u306e\u52d5\u304d\u306b\u5408\u308f\u305b\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002 \u7f8e\u661f\u5929\u6587\u53f0\u304b\u3089\u89b3\u6e2c\u53ef\u80fd\u3068\u306a\u308b\u6642\u9593\u3068\u65e5\u306e\u51fa\u306e\u6642\u9593\u304c\u8fd1\u304f\u3001\u5341\u5206\u306a\u9732\u51fa\u6642\u9593\u304c\u78ba\u4fdd\u3067\u304d\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3053\u306e\u753b\u50cf\u304b\u3089\u306f\u5f57\u661f\u72b6\u306b\u5e83\u304c\u3063\u3066\u3044\u308b\u304b\u306e\u5224\u5225\u306f\u3064\u304d\u307e\u305b\u3093(\u4ed6\u306e\u5929\u6587\u53f0\u306e\u89b3\u6e2c\u3067\u306f\u3001\u307c\u3093\u3084\u308a\u3068\u5e83\u304c\u3063\u305f\u30ac\u30b9\u3082\u3057\u304f\u306f\u30c0\u30b9\u30c8\u6210\u5206\u304c\u898b\u3048\u3066\u3044\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059)\u3002 \u30dc\u30ea\u30bd\u30d5\u5f57\u661f\u306f\u3053\u306e\u51ac\u306b\u304b\u3051\u3066\u592a\u967d\u306b\u6700\u63a5\u8fd1\u3057\u3001\u518d\u3073\u592a\u967d\u7cfb\u306e\u5916\u3078\u98db\u3073\u51fa\u3057\u3066\u3044\u304f\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002 \u3057\u304b\u3057\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u6700\u3082\u660e\u308b\u304f\u306a\u308b\u9803\u3067\u3082\u660e\u308b\u3055\u304c15\u7b49\u7d1a\u7a0b\u5ea6\u3068\u6697\u304f\u3001\u671b\u9060\u93e1\u3084\u53cc\u773c\u93e1\u3092\u4f7f\u3063\u3066\u3082\u3001\u76ee\u3067\u898b\u308b\u3053\u3068\u306f\u304b\u306a\u308a\u96e3\u3057\u3044\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n\n\n\n

\"\"<\/a>
\u592a\u967d\u7cfb\u5185\u3067\u306eC\/2019 Q4 \u30dc\u30ea\u30bd\u30d5\u5f57\u661f\u306e\u4f4d\u7f6e<\/figcaption><\/figure>\n\n\n\n

\u89b3\u6e2c\u306e\u8a73\u7d30<\/h4>\n\n\n\n
Mid. Obs date<\/td>2019-09-15 04:19:00 (JST)<\/td><\/tr>
Exposure time<\/td>30 seconds x 17 frames (total 510 sec)<\/td><\/tr>
Filter<\/td>I-band<\/td><\/tr>
Brightness<\/td>~17 mag. (detailed analysis is ongoing)<\/td><\/tr>
Instruments<\/td>101cm telescope + STL-1001E (D=1010mm, f=12120mm)<\/td><\/tr><\/tbody><\/table>\n\n\n\n
Mid. Obs date<\/td>2019-09-16 04:29:45 (JST)<\/td><\/tr>
Exposure time<\/td>60 seconds x 20 frames (total 1200 sec)<\/td><\/tr>
Filter <\/td>R-band<\/td><\/tr>
Brightness<\/td>~17 mag (detailed analysis is ongoing)<\/td><\/tr>
Instruments<\/td>101cm telescope + STL-1001E (D=1010mm, f=12120)<\/td><\/tr><\/tbody><\/table>\n","protected":false},"excerpt":{"rendered":"

2019\u5e748\u670830\u65e5\u306b\u30af\u30ea\u30df\u30a2\u5929\u4f53\u7269\u7406\u5929\u6587\u53f0\u3067\u767a\u898b\u3055\u308c\u305f\u30dc\u30ea\u30bd\u30d5\u5f57\u661f(2I\/Borisov, \u65e7C\/2019 Q4)\u306f\u3001\u305d\u306e\u72ec\u7279\u306a\u53cc\u66f2\u9762\u8ecc\u9053\u304b\u3089\u3001\u6211\u3005\u306e\u592a\u967d\u7cfb\u306e\u5916\u304b\u3089\u3084\u3063\u3066\u304d\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u6052\u661f\u9593\u5f57\u661f\u3067\u3059\u3002 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lightning_design_setting":[],"footnotes":""},"categories":[1],"tags":[4,10,9],"class_list":["post-672","post","type-post","status-publish","format-standard","hentry","category-1","tag-4","tag-c-2019q4","tag-9"],"_links":{"self":[{"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=\/wp\/v2\/posts\/672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=672"}],"version-history":[{"count":36,"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=\/wp\/v2\/posts\/672\/revisions"}],"predecessor-version":[{"id":762,"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=\/wp\/v2\/posts\/672\/revisions\/762"}],"wp:attachment":[{"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bao.city.ibara.okayama.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}