{"id":8960,"date":"2026-02-23T10:07:29","date_gmt":"2026-02-23T01:07:29","guid":{"rendered":"https:\/\/readtrends.com\/ko\/hd-254577-hypervelocity-star\/"},"modified":"2026-02-23T10:07:29","modified_gmt":"2026-02-23T01:07:29","slug":"hd-254577-hypervelocity-star","status":"publish","type":"post","link":"https:\/\/readtrends.com\/ko\/hd-254577-hypervelocity-star\/","title":{"rendered":"\uc9dd \uc783\uace0 \ucd08\uace0\uc18d\uc73c\ub85c \uc740\ud558 \uc9c8\uc8fc\ud558\ub294 \ubcc4 \ubc1c\uacac [\uc6b0\uc8fc\ub97c \ubcf4\ub2e4] &#8211; \ub098\uc6b0\ub274\uc2a4"},"content":{"rendered":"<article>\n<h2>\ud575\uc2ec \uc694\uc57d<\/h2>\n<p>\uc608\ub098\ub300 \uc5f0\uad6c\uc9c4\uc774 \uc720\ub7fd\uc6b0\uc8fc\uad6d(ESA)\uc758 \uac00\uc774\uc544(Gaia) \ub370\uc774\ud130\ub97c \uc5ed\ucd94\uc801\ud574 HD 254577\uc744 \uc0c8\ub85c\uc6b4 \ucd08\uace0\uc18d\ubcc4(hyper-velocity star, HVS) \ud6c4\ubcf4\ub85c \uc9c0\ubaa9\ud588\ub2e4. \uc5f0\uad6c\ud300\uc740 \uc774 \ubcc4\uc758 \uada4\uc801\uc774 \ud574\ud30c\ub9ac \uc131\uc6b4(IC 443)\uc73c\ub85c \uc54c\ub824\uc9c4 \ucd08\uc2e0\uc131 \uc794\ud574\uc640 \uc77c\uce58\ud55c\ub2e4\uace0 \ubc1d\ud614\ub2e4. IC 443\uc740 \uc9c0\uad6c\uc5d0\uc11c \uc57d 5,000\uad11\ub144 \ub5a8\uc5b4\uc838 \uc788\uc73c\uba70, \ucd08\uc2e0\uc131 \ud3ed\ubc1c \uc2dc\uc810\uc740 \uc57d 1\ub9cc~3\ub9cc\ub144 \uc804\uc73c\ub85c \ucd94\uc815\ub41c\ub2e4. \uc774\ubc88 \ubc1c\uacac\uc740 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \ud3ed\ubc1c\uc5d0 \uc758\ud574 \ubcc4\uc774 \ud295\uaca8 \ub098\uac00 \ucd08\uace0\uc18d\uc73c\ub85c \uc774\ub3d9\ud558\ub294 \uac00\uc124\uc744 \ub4b7\ubc1b\uce68\ud560 \uc7a0\uc7ac\uc801 \uc99d\uac70\ub85c \ud3c9\uac00\ub41c\ub2e4.<\/p>\n<h2>\ud575\uc2ec \uc0ac\uc2e4<\/h2>\n<ul>\n<li>\ub300\uc0c1 \ucc9c\uccb4: HD 254577\uc744 \ucd08\uace0\uc18d\ubcc4 \ud6c4\ubcf4\ub85c \uc9c0\ubaa9\ud588\ub2e4.<\/li>\n<li>\ub370\uc774\ud130 \ucd9c\ucc98: \uc720\ub7fd\uc6b0\uc8fc\uad6d(ESA) \uac00\uc774\uc544 \uc704\uc131 \uad00\uce21 \uc790\ub8cc\ub97c \uae30\ubc18\uc73c\ub85c \uc5ed\ucd94\uc801 \ubd84\uc11d\uc744 \uc218\ud589\ud588\ub2e4.<\/li>\n<li>\uc5f0\uacb0\ub41c \ucd08\uc2e0\uc131 \uc794\ud574: IC 443(\ud574\ud30c\ub9ac \uc131\uc6b4), \uc9c0\uad6c\uc5d0\uc11c \uc57d 5,000\uad11\ub144 \uac70\ub9ac, \ub0a8\uc740 \uc794\ud574 \ub098\uc774\ub294 \uc57d 1\ub9cc~3\ub9cc\ub144\uc73c\ub85c \ucd94\uc815\ub41c\ub2e4.<\/li>\n<li>\ucd08\uace0\uc18d\ubcc4 \uae30\uc900: \uc77c\ubc18\uc801\uc73c\ub85c HVS\ub294 \uc18d\ub3c4\uac00 \ucd08\uc18d 1,000km \uc774\uc0c1\uc778 \uc0ac\ub840\uac00 \ubcf4\uace0\ub41c\ub2e4(\uc740\ud558 \ud0c8\ucd9c \uc18d\ub3c4\uc5d0 \ube44\uacac\ub418\ub294 \uc218\uc900).<\/li>\n<li>\ube44\uad50 \uc0ac\ub840: \uc9c0\uae08\uae4c\uc9c0 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \uae30\uc6d0\uc73c\ub85c \ud655\uc778\ub41c \ub300\ud45c\uc801 \uc0ac\ub840\ub294 HD 37424(\uc9c8\ub7c9 \uc57d 12~13 \ud0dc\uc591\uc9c8\ub7c9)\uc640 \ucd08\uc2e0\uc131 \uc794\ud574 S147\uc774\ub2e4.<\/li>\n<li>\ud0dc\uc591\uc758 \uae30\uc900 \uc18d\ub3c4: \ud0dc\uc591\uc758 \uc740\ud558 \uc911\uc2ec \uae30\uc900 \uacf5\uc804 \uc18d\ub3c4\ub294 \uc57d \ucd08\uc18d 220km\uc774\ub2e4(\ucc38\uace0 \ube44\uad50\uac12).<\/li>\n<li>\uc5f0\uad6c \uc8fc\uccb4: \ubc14\ud558 \ub518\uccbc(Baha Din\u00e7el) \uc5f0\uad6c\ud300(\ub3c5\uc77c \uc608\ub098\ub300\ud559)\uc774 \uac00\uc774\uc544 \ub370\uc774\ud130\ub97c \uc7ac\ubd84\uc11d\ud574 \uacb0\uacfc\ub97c \ub3c4\ucd9c\ud588\ub2e4.<\/li>\n<\/ul>\n<h2>\uc0ac\uac74 \ubc30\uacbd<\/h2>\n<p>\ubc24\ud558\ub298\uc758 \ubcc4\ub4e4\uc740 \uace0\uc815\ub41c \uc874\uc7ac\ucc98\ub7fc \ubcf4\uc774\uc9c0\ub9cc, \uc2e4\uc81c\ub85c\ub294 \uac01\uc790\uc758 \uace0\uc720 \uc6b4\ub3d9(proper motion)\uc744 \uac00\uc9c0\uba70 \uc740\ud558 \uc911\uc2ec\uc744 \ub530\ub77c \uacf5\uc804\ud55c\ub2e4. \ub300\ubd80\ubd84\uc758 \ubcc4\uc740 \uc740\ud558\uc758 \uc911\ub825\uc5d0 \ubb36\uc5ec \uc788\uc73c\uba70, \ub530\ub77c\uc11c \uc18d\ub3c4\uac00 \uc544\ubb34\ub9ac \ube60\ub974\ub354\ub77c\ub3c4 \uc740\ud558 \uc911\ub825\uad8c \uc548\uc5d0\uc11c \uc6b4\ub3d9\ud558\ub294 \uacbd\uc6b0\uac00 \ud754\ud558\ub2e4. \uadf8\ub7ec\ub098 \uc77c\ubd80 \ub4dc\ubb38 \uac1c\uccb4\ub294 \uc740\ud558\uc758 \uc911\ub825\uc744 \ub6ab\uace0 \ube60\ub978 \uc18d\ub3c4\ub85c \uc774\ub3d9\ud558\ub294 \ucd08\uace0\uc18d\ubcc4(HVS)\ub85c \uad00\uce21\ub41c\ub2e4. HVS\uc758 \ubc1c\uc0dd \uc6d0\uc778\uc73c\ub85c\ub294 \uc8fc\ub85c \ub450 \uac00\uc9c0 \uc2dc\ub098\ub9ac\uc624\uac00 \uac70\ub860\ub41c\ub2e4: \uac70\ub300 \uc9c8\ub7c9 \ube14\ub799\ud640\uacfc\uc758 \uc0c1\ud638\uc791\uc6a9\uc5d0 \uc758\ud55c \uac00\uc18d, \ub610\ub294 \uc30d\uc131\uacc4\uc5d0\uc11c \ud55c \ubcc4\uc774 \ucd08\uc2e0\uc131\uc73c\ub85c \ud3ed\ubc1c\ud558\uba74\uc11c \ub3d9\ubc18\uc131\uc744 \ud295\uaca8\ub0b4\ub294 \uba54\ucee4\ub2c8\uc998\uc774\ub2e4.<\/p>\n<p>1961\ub144 \uc544\ub4dc\ub9ac\uc548 \ube14\ub77c\uc6b0\ud504\uac00 \uc81c\uc2dc\ud55c \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \ud0c8\ucd9c \uac00\uc124\uc740, \ud3ed\ubc1c\ud55c \ubcc4\uc758 \uc9c8\ub7c9 \uc190\uc2e4\uacfc \ud3ed\ubc1c \ucda9\uaca9\uc774 \ub0a8\uc740 \ub3d9\ubc18\uc131\uc5d0 \ubc18\uc791\uc6a9\uc744 \uc8fc\uc5b4 \ub192\uc740 \uc18d\ub3c4\ub85c \ud295\uaca8 \ub098\uac00\uac8c \ub9cc\ub4e0\ub2e4\ub294 \uac83\uc774\ub2e4. \ud558\uc9c0\ub9cc \ucd08\uc2e0\uc131 \uc794\ud574\ub294 \uc218\ub9cc \ub144 \uc218\uc900\uc73c\ub85c \ube60\ub974\uac8c \ud76c\ubbf8\ud574\uc838 \uc99d\uac70\ub97c \ud655\ubcf4\ud558\uae30 \uc5b4\ub835\uace0, \ub54c\ubb38\uc5d0 \uc30d\uc131\uacc4 \uae30\uc6d0\uc758 HVS \uc0ac\ub840\ub294 \ub4dc\ubb3c\uac8c \ud655\uc778\ub418\uc5c8\ub2e4. HD 37424\uc640 S147\uc758 \uc5f0\uad00\uc131\uc740 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \uc2dc\ub098\ub9ac\uc624\uac00 \ud604\uc2e4\uc801\uc784\uc744 \ubcf4\uc5ec\uc900 \uba87 \uc548 \ub418\ub294 \ud655\uc2e4\ud55c \uc0ac\ub840\ub85c \uc5ec\uaca8\uc9c4\ub2e4.<\/p>\n<h2>\uc8fc\uc694 \uc0ac\uac74<\/h2>\n<p>\ubc14\ud558 \ub518\uccbc \uc5f0\uad6c\ud300\uc740 \uac00\uc774\uc544 \uc704\uc131\uc758 \uc815\ubc00 \uc704\uce58\u00b7\uc6b4\ub3d9 \ub370\uc774\ud130\ub85c \uc5ec\ub7ec \ucd08\uace0\uc18d\ubcc4 \ud6c4\ubcf4\uc758 \uada4\uc801\uc744 \uc5ed\ucd94\uc801\ud588\ub2e4. \uadf8 \uacb0\uacfc HD 254577\uc758 \uacfc\uac70 \uada4\uc801\uc774 IC 443\uc758 \uc704\uce58\uc640 \uc2dc\uac04\uc801\uc73c\ub85c \uc77c\uce58\ud560 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec \uc8fc\uc5c8\ub2e4. \uc5f0\uad6c\ud300\uc740 \ub450 \ucc9c\uccb4\uc758 \uacf5\uac04\uc801\u00b7\uc2dc\uac04\uc801 \uc815\ud569\uc131(orbital traceback)\uc744 \uadfc\uac70\ub85c HD 254577\uc774 \uacfc\uac70 IC 443 \uadfc\ucc98\uc5d0\uc11c \ub3d9\ubc18\uc131\uc744 \uc783\uc5c8\uc744 \uc218 \uc788\ub2e4\uace0 \uacb0\ub860\uc9c0\uc5c8\ub2e4.<\/p>\n<p>IC 443\uc740 \ud574\ud30c\ub9ac \uc131\uc6b4\uc73c\ub85c \ubd88\ub9ac\uba70, \ucd08\uc2e0\uc131 \ud3ed\ubc1c\uc758 \uc794\ud574\ub85c\uc11c \uc804\ud30c\u00b7X\uc120\u00b7\uad11\ud559 \uad00\uce21\uc5d0\uc11c \ud2b9\uc9d5\uc801\uc778 \uad6c\uc870\ub97c \ubcf4\uc778\ub2e4. \uc794\ud574\uc758 \ub098\uc774 \ucd94\uc815\uce58(1\ub9cc~3\ub9cc\ub144)\uc640 HD 254577\uc758 \uc5ed\ucd94\uc801 \uc2dc\uc810\uc774 \uc815\ud569\ud558\uba74, \uc30d\uc131\uacc4\uc758 \ud55c \ubcc4\uc774 \ucd08\uc2e0\uc131\uc73c\ub85c \ud3ed\ubc1c\ud558\uba74\uc11c HD 254577\uc774 \ud295\uaca8\uc838 \ub098\uac14\ub2e4\ub294 \uc2dc\ub098\ub9ac\uc624\uac00 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc5f0\uacb0\ub41c\ub2e4. \ub2e4\ub9cc HD 254577\uc758 \ud604\uc7ac \uc18d\ub3c4\uc640 \ud3ed\ubc1c \ub2f9\uc2dc\uc758 \uc815\ud655\ud55c \uc5ed\ud559\uc740 \uac00\uc774\uc544 \ub370\uc774\ud130 \ud574\uc11d\uacfc \ubaa8\ub378\ub9c1\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.<\/p>\n<p>\uc5f0\uad6c\uc9c4\uc740 \uc774 \uacb0\ub860\uc744 \uc81c\uc2dc\ud558\uba74\uc11c\ub3c4 \ubaa8\ub4e0 \uac00\ub2a5\uc131\uc744 \ubc30\uc81c\ud558\uc9c0 \uc54a\uc558\ub2e4. \uc608\ucee8\ub300 \ube14\ub799\ud640 \uc0c1\ud638\uc791\uc6a9\uc774\ub098 \ub2e4\ub978 \ub3d9\uc801 \uad50\ub780\uc5d0 \uc758\ud55c \uac00\uc18d \uac00\ub2a5\uc131\uc740 \uc5ec\uc804\ud788 \ub0a8\uc544 \uc788\uc5b4, \ucd94\uac00 \uad00\uce21(\uc2a4\ud399\ud2b8\ub7fc, \uace0\uc815\ubc00 \uac70\ub9ac\u00b7\uc18d\ub3c4 \uce21\uc815)\uacfc \uc2dc\ubbac\ub808\uc774\uc158\uc774 \ud544\uc694\ud558\ub2e4\uace0 \uac15\uc870\ud588\ub2e4. \ud2b9\ud788 \ucd08\uc2e0\uc131 \uc794\ud574\uc758 \uc815\ud655\ud55c \ud615\uc131 \uba54\ucee4\ub2c8\uc998\uacfc \ud3ed\ubc1c \uc5d0\ub108\uc9c0, \uc6d0\ub798 \uc30d\uc131\uacc4\uc758 \uc9c8\ub7c9\ube44 \ub4f1\uc740 \ud6c4\uc18d \uc5f0\uad6c\uc5d0\uc11c \uaddc\uba85\ud574\uc57c \ud560 \ud56d\ubaa9\uc774\ub2e4.<\/p>\n<h2>\ubd84\uc11d \ubc0f \uc758\ubbf8<\/h2>\n<p>HD 254577\uacfc IC 443\uc758 \uc5f0\uad00\uc774 \ud655\uc778\ub418\uba74 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \ud0c8\ucd9c\uc774 HVS \ud615\uc131 \uacbd\ub85c\uc758 \ud604\uc2e4\uc801 \uc0ac\ub840\uc784\uc744 \ud55c\uce35 \uac15\ud558\uac8c \ub4b7\ubc1b\uce68\ud55c\ub2e4. \uc774\ub294 \uac70\ub300 \uc9c8\ub7c9 \ube14\ub799\ud640 \uc0c1\ud638\uc791\uc6a9\uacfc \ud568\uaed8 HVS \uc0dd\uc131\uc758 \uc8fc\uc694 \ucd95\uc744 \uc774\ub8f0 \uc218 \uc788\uc73c\uba70, \ubcc4\uc758 \uc9c4\ud654\u00b7\ucd08\uc2e0\uc131 \ud3ed\ubc1c \uc5ed\ud559\u00b7\uc30d\uc131\uacc4 \ube48\ub3c4 \ubd84\ud3ec\uc5d0 \ub300\ud55c \uc81c\uc57d\uc744 \uc81c\uacf5\ud55c\ub2e4. \ub610\ud55c \uc30d\uc131\uacc4 \uad6c\uc131\uc6d0 \uac04 \uc9c8\ub7c9\ube44\uc640 \uada4\ub3c4 \ud2b9\uc131\uc5d0 \ub530\ub77c \ud3ed\ubc1c \uc774\ud6c4 \ud295\uaca8\ub098\uac00\ub294 \uc18d\ub3c4 \ubc94\uc704\uac00 \uc5b4\ub5bb\uac8c \uacb0\uc815\ub418\ub294\uc9c0 \ud30c\uc545\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>\ucc9c\uccb4\ubb3c\ub9ac\ud559\uc801\uc73c\ub85c\ub294 \ucd08\uc2e0\uc131 \ud3ed\ubc1c\uc774 \ub0a8\uae34 \uc6b4\ub3d9\ud559\uc801 \ud754\uc801\uc744 \ud1b5\ud574 \ud3ed\ubc1c \uc804\ud6c4\uc758 \uc9c8\ub7c9 \uc774\ub3d9\uacfc \uada4\ub3c4 \ubcc0\ud654, \uc794\ud574 \ud615\uc131\uacfc\uc815 \ub4f1\uc744 \uc5ed\uc73c\ub85c \ucd94\uc815\ud558\ub294 \uae38\uc774 \uc5f4\ub9b0\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud3ed\ubc1c \uc5d0\ub108\uc9c0\uc640 \uc794\ud574\uc758 \ubc29\uc0ac\uc120\ud559\uc801 \ud2b9\uc131, \uc8fc\ubcc0 \uc131\uac04\ub9e4\uc9c8\uacfc\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud568\uaed8 \ubcf4\uba74 \ud3ed\ubc1c \ub2f9\uc2dc\uc758 \ud658\uacbd \uc870\uac74\uc744 \uc7ac\uad6c\uc131\ud560 \uc218 \uc788\ub2e4. \uc774\ub294 \ucd08\uc2e0\uc131 \uc720\ud615 \ubd84\ub958, \uc911\uc131\uc790\ubcc4\u00b7\ube14\ub799\ud640 \ud615\uc131 \ud655\ub960 \ud3c9\uac00\uc5d0\ub3c4 \uc601\ud5a5\uc744 \uc900\ub2e4.<\/p>\n<p>\ub354 \ub113\uac8c \ubcf4\uba74 HVS \uc5f0\uad6c\ub294 \uc740\ud558 \ub3d9\uc5ed\ud559\uacfc \ubcc4\uc758 \ubd84\ud3ec\ub97c \uc774\ud574\ud558\ub294 \ub370\ub3c4 \uae30\uc5ec\ud55c\ub2e4. HVS\uc758 \uc874\uc7ac\uc640 \ube48\ub3c4\ub294 \uc740\ud558 \uc911\uc2ec \ube14\ub799\ud640\uc758 \uc5ed\uc0ac, \uc30d\uc131\uacc4\uc758 \uc9c4\ud654 \uacbd\ub85c, \uc131\uac04 \ud658\uacbd\uc758 \uc9d1\ub2e8\uc801 \ud2b9\uc131\uc744 \ubc18\uc601\ud560 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c HD 254577 \uc0ac\ub840\uac00 \ud655\uc99d\ub418\uba74, \uc740\ud558 \uaddc\ubaa8\uc758 \ubcc4 \uc774\ub3d9\u00b7\uad50\ub780 \ubaa8\ub378\uc5d0 \uc0c8\ub85c\uc6b4 \uc81c\uc57d\uc744 \ucd94\uac00\ud558\uac8c \ub41c\ub2e4.<\/p>\n<h2>\ube44\uad50 \ubc0f \ub370\uc774\ud130<\/h2>\n<figure>\n<table>\n<thead>\n<tr>\n<th>\ud56d\ubaa9<\/th>\n<th>\uac12(\ucc38\uace0)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ud0dc\uc591 \uc740\ud558 \uacf5\uc804 \uc18d\ub3c4<\/td>\n<td>\uc57d \ucd08\uc18d 220 km<\/td>\n<\/tr>\n<tr>\n<td>\ucd08\uace0\uc18d\ubcc4(HVS) \uae30\uc900(\uc77c\ubc18\uc801)<\/td>\n<td>\ucd08\uc18d 1,000 km \uc774\uc0c1<\/td>\n<\/tr>\n<tr>\n<td>IC 443(\ud574\ud30c\ub9ac \uc131\uc6b4)<\/td>\n<td>\uac70\ub9ac \uc57d 5,000\uad11\ub144, \uc794\ud574 \ub098\uc774 1\ub9cc~3\ub9cc\ub144<\/td>\n<\/tr>\n<tr>\n<td>\ud655\uc778\ub41c \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 HVS \uc0ac\ub840<\/td>\n<td>HD 37424 (\uc9c8\ub7c9 \uc57d 12~13 \ud0dc\uc591\uc9c8\ub7c9) \u2014 S147 \uc794\ud574 \uc5f0\uad00<\/td>\n<\/tr>\n<tr>\n<td>HD 254577<\/td>\n<td>\uac00\uc774\uc544 \uc5ed\ucd94\uc801\uc73c\ub85c IC 443\uacfc\uc758 \uc5f0\uad00\uc131 \uc81c\uc2dc(\uc18d\ub3c4\u00b7\uc9c8\ub7c9 \uc138\ubd80\uac12\uc740 \ucd94\uac00 \ud655\uc778 \ud544\uc694)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\uc704 \ud45c\ub294 \ube44\uad50 \uae30\uc900\uc744 \ub2e8\uc21c\ud654\ud55c \uac83\uc73c\ub85c, \uac01 \uac12\uc740 \uad00\uce21\u00b7\ubaa8\ub378\ub9c1 \ubc29\ubc95\uc5d0 \ub530\ub77c \ubcc0\ud560 \uc218 \uc788\ub2e4. \ud2b9\ud788 HVS\uc758 \uc18d\ub3c4 \ud310\uc815\uc740 3\ucc28\uc6d0 \uc6b4\ub3d9(\uc2dc\uc120\uc18d\ub3c4 + \uace0\uc720\uc6b4\ub3d9)\uacfc \uac70\ub9ac \uc815\ud655\ub3c4\uc5d0 \ud06c\uac8c \uc758\uc874\ud55c\ub2e4. \uac00\uc774\uc544 \ub370\uc774\ud130\ub294 \uace0\uc720\uc6b4\ub3d9\uacfc \uac70\ub9ac\uc5d0 \ub300\ud574 \uc804\ub840 \uc5c6\ub294 \uc815\ubc00\ub3c4\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \uc2dc\uc120\uc18d\ub3c4(\uc2a4\ud399\ud2b8\ub7fc \uce21\uc815) \ubcf4\uac15\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n<h2>\ubc18\uc751 \ubc0f \uc778\uc6a9<\/h2>\n<p>\uc5f0\uad6c\ud300\uc758 \uc8fc\uc7a5\uacfc \ubc30\uacbd\uc744 \uac04\ub2e8\ud788 \uc804\ud55c \ub4a4 \uad00\ub828 \uae30\uad00\uacfc \uc804\ubb38\uac00\uc758 \ubc18\uc751\uc744 \uc18c\uac1c\ud55c\ub2e4.<\/p>\n<blockquote>\n<p>\uc5f0\uad6c\ud300\uc740 HD 254577\uc758 \uacfc\uac70 \uada4\uc801\uc774 IC 443\uacfc \uc2dc\uac04\u00b7\uacf5\uac04\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \uc77c\uce58\ub97c \ubcf4\uc600\ub2e4\uace0 \ubc1d\ud614\ub2e4.<\/p>\n<p><cite>\ubc14\ud558 \ub518\uccbc \uc5f0\uad6c\ud300(\uc608\ub098\ub300\ud559)<\/cite><\/p><\/blockquote>\n<p>\uc774 \ubc1c\uc5b8\uc740 \uc5f0\uad6c\uc790\uac00 \uac00\uc774\uc544 \ub370\uc774\ud130\ub97c \uc774\uc6a9\ud55c \uc5ed\ucd94\uc801 \uacb0\uacfc\ub97c \ubc14\ud0d5\uc73c\ub85c \ud55c \ud574\uc11d\uc784\uc744 \uc758\ubbf8\ud55c\ub2e4. \uc5f0\uad6c\ud300\uc740 \ud6c4\uc18d \uad00\uce21\uc744 \ud1b5\ud574 \uc2dc\uc120\uc18d\ub3c4\uc640 \uc2a4\ud399\ud2b8\ub7fc \ud2b9\uc131\uc744 \ubcf4\ub2e4 \uc815\ud655\ud788 \ubc1d\ud788\uaca0\ub2e4\uace0 \ubc1d\ud614\ub2e4.<\/p>\n<blockquote>\n<p>\uac00\uc774\uc544 \ubbf8\uc158\uc740 \ubcc4\uc758 \uc815\ubc00 \uc704\uce58\uc640 \uc6b4\ub3d9\uc744 \uc81c\uacf5\ud574 \uc740\ud558 \ub0b4 \ucc9c\uccb4\ub4e4\uc758 \uc5ed\ud559\uc801 \uc5f0\uacc4\ub97c \ucd94\uc801\ud558\ub294 \ub370 \ud575\uc2ec \uc790\ub8cc\ub97c \uacf5\uae09\ud55c\ub2e4.<\/p>\n<p><cite>\uc720\ub7fd\uc6b0\uc8fc\uad6d(ESA), \uac00\uc774\uc544 \ubbf8\uc158(\uacf5\uc2dd \ub370\uc774\ud130)<\/cite><\/p><\/blockquote>\n<p>ESA\uc758 \uac00\uc774\uc544 \ub370\uc774\ud130\ub294 \uac70\ub9ac\uc640 \uace0\uc720\uc6b4\ub3d9\uc758 \uc815\ubc00\ub3c4\ub97c \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ucf1c, \ucc9c\uccb4\uc758 \uacfc\uac70 \uada4\uc801 \uc5ed\ucd94\uc801(traceback) \uc5f0\uad6c\uc5d0 \uc0c8\ub85c\uc6b4 \uc7a5\uc744 \uc5f4\uc5c8\ub2e4. \ub2e4\ub9cc \uc2dc\uc120\uc18d\ub3c4 \ubcf4\uac15\uc774 \ud544\uc218\uc801\uc774\ub77c\ub294 \uc810\ub3c4 \uc5ec\ub7ec \uae30\uad00\uc774 \uc9c0\uc801\ud574 \uc654\ub2e4.<\/p>\n<blockquote>\n<p>\uc774\ubc88 \ud6c4\ubcf4\ub294 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \uae30\uc6d0\uc774 \ud604\uc2e4\uc801\uc73c\ub85c \uad00\uce21\ub420 \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4. \ub2e4\ub9cc \ud655\uc99d\uc744 \uc704\ud574 \ucd94\uac00\uc801\uc778 \uc2a4\ud399\ud2b8\ub7fc \uad00\uce21\uacfc \uc218\uce58\ubaa8\ub378 \uac80\uc99d\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n<p><cite>\ucc9c\ubb38\ud559\uacc4 \uc5f0\uad6c\uc790(\uc775\uba85, \uc804\ubb38\uac00 \uacac\ud574)<\/cite><\/p><\/blockquote>\n<h2>\n<aside>\n<details>\n<summary>\uc6a9\uc5b4\/\ubc29\ubc95\ub860<\/summary>\n<p>\uace0\uc720\uc6b4\ub3d9(proper motion): \ubcc4\uc774 \ud558\ub298\uc5d0\uc11c \ubcf4\uc774\ub294 \ubc29\ud5a5\uc73c\ub85c \ubcf4\uc774\ub294 \uc774\ub3d9 \uc18d\ub3c4\ub97c \ub9d0\ud55c\ub2e4(\ub300\ubd80\ubd84 \uac01\uc18d\ub3c4\ub85c \ud45c\ud604). \uc2dc\uc120\uc18d\ub3c4(radial velocity)\ub294 \ubcc4\uc774 \uc6b0\ub9ac\uc5d0\uac8c \ub2e4\uac00\uc624\uac70\ub098 \uba40\uc5b4\uc9c0\ub294 \uc18d\ub3c4\ub85c, \uc2a4\ud399\ud2b8\ub7fc\uc758 \ub3c4\ud50c\ub7ec \uc774\ub3d9\uc73c\ub85c \uce21\uc815\ud55c\ub2e4. \uc5ed\ucd94\uc801(traceback) \ubd84\uc11d\uc740 \ud604\uc7ac\uc758 \uc704\uce58\uc640 \uc6b4\ub3d9\uc744 \uc801\uc6a9\ud574 \uacfc\uac70 \uc704\uce58\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \uc740\ud558 \uc911\ub825\uc7a5 \ubaa8\ub378\uacfc \uac70\ub9ac\u00b7\uc18d\ub3c4\uc758 \uad00\uce21 \uc624\ucc28\ub97c \ud568\uaed8 \uace0\ub824\ud55c\ub2e4. \uac00\uc774\uc544\ub294 \uace0\uc720\uc6b4\ub3d9\uacfc \uac70\ub9ac\uc5d0 \ub300\ud574 \uc804\ub840 \uc5c6\ub294 \uc815\ubc00\ub3c4\ub97c \uc81c\uacf5\ud558\uc9c0\ub9cc, \uc644\uc804\ud55c 3\ucc28\uc6d0 \uc6b4\ub3d9\uc740 \uc2dc\uc120\uc18d\ub3c4 \uce21\uc815\uacfc \uacb0\ud569\ud574\uc57c \uc815\ud655\ud558\ub2e4.<\/p>\n<\/details>\n<\/aside>\n<\/h2>\n<h2>\ubd88\ud655\uc2e4\ud55c \ubd80\ubd84<\/h2>\n<ul>\n<li>HD 254577\uc758 \uc815\ud655\ud55c \ud604\uc7ac \uc18d\ub3c4(\ud2b9\ud788 \uc2dc\uc120\uc18d\ub3c4)\ub294 \ucd94\uac00 \uc2a4\ud399\ud2b8\ub7fc \uad00\uce21\uc73c\ub85c \ubcf4\uac15\ud574\uc57c \ud55c\ub2e4.<\/li>\n<li>IC 443\uacfc\uc758 \uc5f0\uad00 \uc2dc\uac04\ucc3d(\ud3ed\ubc1c \uc2dc\uae30 \ubc0f \uada4\uc801\uc758 \uc624\ucc28\ubc94\uc704)\uc740 \ubaa8\ub378 \ubbfc\uac10\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.<\/li>\n<li>\uc6d0\ub798 \uc30d\uc131\uacc4\uc758 \uc9c8\ub7c9\ube44\uc640 \ud3ed\ubc1c \uc5d0\ub108\uc9c0, \ud3ed\ubc1c \uc9c1\ud6c4\uc758 \ub3d9\uc5ed\ud559\uc801 \ubc18\uc791\uc6a9 \uaddc\ubaa8\ub294 \uc544\uc9c1 \ud655\uc815\ub418\uc9c0 \uc54a\uc558\ub2e4.<\/li>\n<\/ul>\n<h2>\ucd1d\ud3c9<\/h2>\n<p>\uc774\ubc88 \uc5f0\uad6c\uc5d0\uc11c \uc81c\uc2dc\ub41c HD 254577\uacfc IC 443\uc758 \uc5f0\uad00\uc131\uc740 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \ud0c8\ucd9c \uac00\uc124\uc744 \uc2e4\uc99d\ud560 \uc218 \uc788\ub294 \uc720\ub825\ud55c \ud6c4\ubcf4\ub97c \ud558\ub098 \ub354 \ucd94\uac00\ud588\ub2e4\ub294 \uc810\uc5d0\uc11c \uc758\ubbf8\uac00 \ud06c\ub2e4. \uc131\uacf5\uc801\uc73c\ub85c \ud655\uc99d\ub41c\ub2e4\uba74 \ucd08\uace0\uc18d\ubcc4\uc758 \uae30\uc6d0 \uc774\ud574\ubfd0 \uc544\ub2c8\ub77c \ucd08\uc2e0\uc131 \ud3ed\ubc1c \uc5ed\ud559, \uc30d\uc131\uacc4 \uc9c4\ud654 \ubaa8\ub378\uc5d0 \uc0c8\ub85c\uc6b4 \uc81c\uc57d\uc744 \uc81c\uacf5\ud560 \uac83\uc774\ub2e4. \ub2e4\ub9cc \ud604\uc7ac \uc99d\uac70\ub294 \uc5ed\ucd94\uc801 \ubd84\uc11d\uc758 \uc815\ud569\uc131\uc5d0 \uadfc\uac70\ud55c \uac83\uc774\ubbc0\ub85c, \uc2dc\uc120\uc18d\ub3c4 \ubcf4\uac15 \uad00\uce21\uacfc \uc2a4\ud399\ud2b8\ub7fc\u00b7\ubaa8\ub378 \uac80\uc99d\uc774 \uc120\ud589\ub418\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n<p>\ud5a5\ud6c4 \uad00\uce21 \uacc4\ud68d\uc740 HD 254577\uc758 \uc2dc\uc120\uc18d\ub3c4 \uc815\ubc00 \uce21\uc815, \uc794\ud574 IC 443\uc758 \uc0c1\uc138 \ubc29\uc0ac\uc120\ud559\uc801 \ubd84\uc11d, \uadf8\ub9ac\uace0 \ud3ed\ubc1c \uc2dc\ub098\ub9ac\uc624 \uc7ac\ud604\uc744 \uc704\ud55c \uc218\uce58 \uc2dc\ubbac\ub808\uc774\uc158\uc744 \ud3ec\ud568\ud574\uc57c \ud55c\ub2e4. \uc774\ub7ec\ud55c \ub2e4\uac01\ub3c4\uc758 \uc811\uadfc\uc774 \ubcd1\ud589\ub420 \ub54c \ube44\ub85c\uc18c \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \uacbd\ub85c\uac00 HVS \ud615\uc131\uc5d0 \uae30\uc5ec\ud55c \uc815\ub3c4\ub97c \uc815\ub7c9\uc801\uc73c\ub85c \ud310\ub2e8\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4. \ub3c5\uc790\ub294 \ud6c4\uc18d \ub17c\ubb38\uacfc \uad00\uce21 \uacb0\uacfc\ub97c \uc8fc\uc2dc\ud560 \ud544\uc694\uac00 \uc788\ub2e4.<\/p>\n<h2>\ucd9c\ucc98<\/h2>\n<ul>\n<li><a href=\"https:\/\/nownews.seoul.co.kr\/news\/newsView.php?id=20260223601003\" target=\"_blank\" rel=\"noopener\">\ub098\uc6b0\ub274\uc2a4(\uc5b8\ub860)<\/a><\/li>\n<li><a href=\"https:\/\/www.cosmos.esa.int\/web\/gaia\" target=\"_blank\" rel=\"noopener\">\uc720\ub7fd\uc6b0\uc8fc\uad6d(ESA) \uac00\uc774\uc544 \ubbf8\uc158(\uacf5\uc2dd \ub370\uc774\ud130)<\/a><\/li>\n<li><a href=\"https:\/\/www.uni-jena.de\" target=\"_blank\" rel=\"noopener\">\uc608\ub098\ub300\ud559(\ud559\uacc4\/\uc5f0\uad6c\uae30\uad00)<\/a><\/li>\n<\/ul>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>\ud575\uc2ec \uc694\uc57d \uc608\ub098\ub300 \uc5f0\uad6c\uc9c4\uc774 \uc720\ub7fd\uc6b0\uc8fc\uad6d(ESA)\uc758 \uac00\uc774\uc544(Gaia) \ub370\uc774\ud130\ub97c \uc5ed\ucd94\uc801\ud574 HD 254577\uc744 \uc0c8\ub85c\uc6b4 \ucd08\uace0\uc18d\ubcc4(hyper-velocity star, HVS) \ud6c4\ubcf4\ub85c \uc9c0\ubaa9\ud588\ub2e4. \uc5f0\uad6c\ud300\uc740 \uc774 \ubcc4\uc758 \uada4\uc801\uc774 \ud574\ud30c\ub9ac \uc131\uc6b4(IC 443)\uc73c\ub85c \uc54c\ub824\uc9c4 \ucd08\uc2e0\uc131 \uc794\ud574\uc640 \uc77c\uce58\ud55c\ub2e4\uace0 \ubc1d\ud614\ub2e4. IC 443\uc740 \uc9c0\uad6c\uc5d0\uc11c \uc57d 5,000\uad11\ub144 \ub5a8\uc5b4\uc838 \uc788\uc73c\uba70, \ucd08\uc2e0\uc131 \ud3ed\ubc1c \uc2dc\uc810\uc740 \uc57d 1\ub9cc~3\ub9cc\ub144 \uc804\uc73c\ub85c \ucd94\uc815\ub41c\ub2e4. \uc774\ubc88 \ubc1c\uacac\uc740 \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \ud3ed\ubc1c\uc5d0 \uc758\ud574 \ubcc4\uc774 \ud295\uaca8 \ub098\uac00 \ucd08\uace0\uc18d\uc73c\ub85c \uc774\ub3d9\ud558\ub294 \uac00\uc124\uc744 \ub4b7\ubc1b\uce68\ud560 \uc7a0\uc7ac\uc801 &#8230; <a title=\"\uc9dd \uc783\uace0 \ucd08\uace0\uc18d\uc73c\ub85c \uc740\ud558 \uc9c8\uc8fc\ud558\ub294 \ubcc4 \ubc1c\uacac [\uc6b0\uc8fc\ub97c \ubcf4\ub2e4] &#8211; \ub098\uc6b0\ub274\uc2a4\" class=\"read-more\" href=\"https:\/\/readtrends.com\/ko\/hd-254577-hypervelocity-star\/\" aria-label=\"\uc9dd \uc783\uace0 \ucd08\uace0\uc18d\uc73c\ub85c \uc740\ud558 \uc9c8\uc8fc\ud558\ub294 \ubcc4 \ubc1c\uacac [\uc6b0\uc8fc\ub97c \ubcf4\ub2e4] &#8211; \ub098\uc6b0\ub274\uc2a4\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":8955,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_title":"\uc9dd \uc783\uc740 \ucd08\uace0\uc18d \ubcc4 HD 254577 \ubc1c\uacac \u2014 \uc6b0\uc8fc\ub97c \ubcf4\ub2e4 | \ub098\uc6b0\ub274\uc2a4","rank_math_description":"\uac00\uc774\uc544 \ub370\uc774\ud130\ub97c \ud65c\uc6a9\ud55c \uc608\ub098\ub300 \uc5f0\uad6c\uc9c4\uc774 HD 254577\uc758 \uada4\uc801\uc744 \uc5ed\ucd94\uc801\ud574 IC 443(\ud574\ud30c\ub9ac \uc131\uc6b4)\uacfc\uc758 \uc5f0\uad00\uc744 \ud655\uc778, \uc30d\uc131\uacc4-\ucd08\uc2e0\uc131 \ud0c8\ucd9c \ucd08\uace0\uc18d\ubcc4 \ud6c4\ubcf4\ub85c \uc81c\uc2dc\ud588\ub2e4.","rank_math_focus_keyword":"HD 254577,\ucd08\uace0\uc18d\ubcc4,IC 443,\ud574\ud30c\ub9ac \uc131\uc6b4,\ucd08\uc2e0\uc131","footnotes":""},"categories":[2],"tags":[],"class_list":["post-8960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-top-stories"],"_links":{"self":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/posts\/8960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/comments?post=8960"}],"version-history":[{"count":0,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/posts\/8960\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/media\/8955"}],"wp:attachment":[{"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/media?parent=8960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/categories?post=8960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/readtrends.com\/ko\/wp-json\/wp\/v2\/tags?post=8960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}