{"id":912,"date":"2026-07-28T09:34:00","date_gmt":"2026-07-28T00:34:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-07-28-wandering-black-hole-tde-vi\/"},"modified":"2026-07-28T09:34:00","modified_gmt":"2026-07-28T00:34:00","slug":"2026-07-28-wandering-black-hole-tde-vi","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-07-28-wandering-black-hole-tde-vi\/","title":{"rendered":"H\u1ed1 \u0111en s\u00e1ng l\u00ean khi x\u00e9 m\u1ed9t ng\u00f4i sao c\u00e1ch t\u00e2m thi\u00ean h\u00e0 h\u01a1n 30.000 n\u0103m \u00e1nh s\u00e1ng"},"content":{"rendered":"

2026-07-28 09:34 KST<\/strong><\/p>\n

M\u1ed9t h\u1ed1 \u0111en c\u1ee1 m\u1ed9t tri\u1ec7u kh\u1ed1i l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi ph\u00e1t s\u00e1ng khi x\u00e9 ng\u00f4i sao c\u00e1ch t\u00e2m thi\u00ean h\u00e0 h\u01a1n 30.000 n\u0103m \u00e1nh s\u00e1ng.<\/p>\n

TDE 2025abcr l\u00e0 s\u1ef1 ki\u1ec7n gi\u00e1n \u0111o\u1ea1n th\u1ee7y tri\u1ec1u \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng quang h\u1ecdc \u1edf v\u00f9ng ngo\u00e0i thi\u00ean h\u00e0 v\u00e0 ch\u1ee9ng minh c\u00e1ch t\u00ecm h\u1ed1 \u0111en lang thang.<\/p>\n

N\u00f3 l\u1ec7ch t\u00e2m bao xa?<\/h2>\n

S\u1ef1 ki\u1ec7n x\u1ea3y ra trong WISEA J014656.04-152214.7, c\u00e1ch kho\u1ea3ng 750 tri\u1ec7u n\u0103m \u00e1nh s\u00e1ng, v\u1edbi kho\u1ea3ng c\u00e1ch chi\u1ebfu g\u1ea7n 9,3 kpc t\u1eeb h\u1ea1t nh\u00e2n.<\/p>\n

Con s\u1ed1 10,3 kpc trong t\u00f3m t\u1eaft c\u0169 l\u00e0 l\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u1edf cu\u1ed1i b\u1ea3n th\u1ea3o. Nghi\u00ean c\u1ee9u gi\u1edbi h\u1ea1n TDE l\u1ec7ch \u00edt nh\u1ea5t 3 kpc \u1edf d\u01b0\u1edbi 10% t\u1ef7 l\u1ec7 TDE trong h\u1ea1t nh\u00e2n.<\/p>\n

AI ch\u1ecdn n\u00f3 gi\u1eefa n\u1eeda tri\u1ec7u ch\u1edbp s\u00e1ng m\u1ed7i \u0111\u00eam<\/h2>\n

ZTF t\u1ea1o kho\u1ea3ng n\u1eeda tri\u1ec7u c\u1ea3nh b\u00e1o bi\u1ebfn \u0111\u1ed5i m\u1ed7i \u0111\u00eam. Nh\u00f3m m\u1edf r\u1ed9ng b\u1ed9 ph\u00e2n lo\u1ea1i tdescore ra ngo\u00e0i h\u1ea1t nh\u00e2n v\u00e0 ch\u1ecdn s\u1ef1 ki\u1ec7n n\u00e0y th\u00e1ng 11 n\u0103m 2025.<\/p>\n

Ph\u1ed5 hydro v\u00e0 heli t\u1eeb SOAR c\u00f9ng quan s\u00e1t t\u1eed ngo\u1ea1i v\u00e0 tia X c\u1ee7a Swift \u1ee7ng h\u1ed9 c\u00e1ch gi\u1ea3i th\u00edch TDE. C\u00f3 l\u00fac n\u00f3 s\u00e1ng h\u01a1n to\u00e0n thi\u00ean h\u00e0 ch\u1ee7 trong t\u1eed ngo\u1ea1i.<\/p>\n

\"H\u00ecnh
H\u00ecnh minh h\u1ecda do ONEPRESS t\u1ea1o: th\u1ec3 hi\u1ec7n \u0111\u1ed9 l\u1ec7ch gi\u1eefa h\u1ea1t nh\u00e2n v\u00e0 TDE v\u00f9ng ngo\u00e0i, kh\u00f4ng ph\u1ea3i \u1ea3nh k\u00ednh thi\u00ean v\u0103n.<\/figcaption><\/figure>\n

Ng\u00f4i sao b\u1ecb x\u00e9 h\u00e9 l\u1ed9 v\u1eadt th\u1ec3 v\u00f4 h\u00ecnh<\/h2>\n

H\u1ed1 \u0111en l\u1edbn g\u1ea7n nh\u01b0 kh\u00f4ng s\u00e1ng khi kh\u00f4ng b\u1ed3i t\u1ee5. M\u1ed9t ng\u00f4i sao \u0111\u1ebfn qu\u00e1 g\u1ea7n b\u1ecb x\u00e9, v\u00e0 m\u1ea3nh v\u1ee5n n\u00f3ng t\u1ea1m th\u1eddi \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed h\u1ed1 \u0111en.<\/p>\n

Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh l\u00e0 10^6.09 kh\u1ed1i l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi. M\u1ed9t h\u1ed1 \u0111en l\u1edbn h\u01a1n nhi\u1ec1u c\u00f3 th\u1ec3 v\u1eabn n\u1eb1m \u1edf t\u00e2m thi\u00ean h\u00e0.<\/p>\n

Ngu\u1ed3n g\u1ed1c c\u00f2n hai kh\u1ea3 n\u0103ng<\/h2>\n

T\u01b0\u01a1ng t\u00e1c khi ba thi\u00ean h\u00e0 tr\u1edf l\u00ean h\u1ee3p nh\u1ea5t c\u00f3 th\u1ec3 h\u1ea5t h\u1ed1 \u0111en nh\u1eb9 ra ngo\u00e0i. Ho\u1eb7c m\u1ed9t thi\u00ean h\u00e0 l\u00f9n m\u1edd \u0111ang h\u1ee3p nh\u1ea5t v\u00e0 mang h\u1ed1 \u0111en trung t\u00e2m \u1edf v\u00f9ng ngo\u00e0i.<\/p>\n

Kh\u1ed1i l\u01b0\u1ee3ng suy ra t\u1eeb quan h\u1ec7 \u0111\u1ed9 s\u00e1ng \u0111\u1ec9nh, kh\u00f4ng \u0111o tr\u1ef1c ti\u1ebfp. \u1ea2nh s\u00e2u v\u00e0 tia X mu\u1ed9n sau khi l\u00f3e t\u1eaft c\u1ea7n t\u00ecm c\u1ee5m sao c\u00f2n l\u1ea1i.<\/p>\n

B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 \u0111\u1ebfm qu\u1ea7n th\u1ec3 \u1ea9n<\/h2>\n

Tuy\u1ec3n ch\u1ecdn ngo\u00e0i h\u1ea1t nh\u00e2n b\u1eb1ng h\u1ecdc m\u00e1y r\u1ed3i x\u00e1c nh\u1eadn b\u1eb1ng ph\u1ed5 v\u00e0 t\u1eed ngo\u1ea1i \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng. Nghi\u00ean c\u1ee9u d\u1ef1 b\u00e1o Vera C. Rubin c\u00f3 th\u1ec3 ph\u00e2n gi\u1ea3i h\u00e0ng ch\u1ee5c s\u1ef1 ki\u1ec7n t\u01b0\u01a1ng t\u1ef1 m\u1ed7i n\u0103m.<\/p>\n

M\u1eabu l\u1edbn s\u1ebd ki\u1ec3m tra t\u1ea7n su\u1ea5t h\u1ee3p nh\u1ea5t \u0111\u1ec3 l\u1ea1i h\u1ed1 \u0111en trong qu\u1ea7ng v\u00e0 th\u1eddi gian ch\u00fang ch\u00ecm v\u1ec1 t\u00e2m.<\/p>\n

Ngu\u1ed3n s\u01a1 c\u1ea5p ch\u00ednh th\u1ee9c<\/h2>\n

Astrophysical Journal Letters: TDE 2025abcr original paper<\/a><\/p>\n

NASA Swift: observations, distance, brightness and origin hypotheses<\/a><\/p>\n

arXiv: public manuscript and corrected 9.3 kpc offset<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t h\u1ed1 \u0111en \u01b0\u1edbc t\u00ednh kho\u1ea3ng m\u1ed9t tri\u1ec7u kh\u1ed1i l\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi \u0111\u00e3 x\u00e9 ng\u00f4i sao c\u00e1ch h\u1ea1t nh\u00e2n thi\u00ean h\u00e0 h\u01a1n 30.000 n\u0103m \u00e1nh s\u00e1ng. TDE 2025abcr l\u00e0 s\u1ef1 ki\u1ec7n quang h\u1ecdc \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf v\u00f9ng ngo\u00e0i thi\u00ean h\u00e0, nh\u01b0ng ngu\u1ed3n g\u1ed1c v\u1eabn ch\u01b0a ch\u1eafc ch\u1eafn.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-912","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}