. . "Westerhout 49 (tambi\u00E9n conocida c\u00F3mo W49) es una fuente de ondas de radio con propiedades similares a la de una regi\u00F3n HII, situada en la constelaci\u00F3n del \u00C1guila y descubierta por el astr\u00F3nomo Gart Westerhout en 1958. Su distancia al Sol se estima en alrededor de 11,4 kilop\u00E1rsecs (37000 a\u00F1os luz). Est\u00E1 tan lejos que el polvo interestelar la hace invisible en el \u00F3ptico, por lo que para su estudio hay que recurrir a otras longitudes de onda adem\u00E1s de las ondas de radio, c\u00F3mo por ejemplo el infrarrojo, que penetran en \u00E9l."@es . . . "1119370418"^^ . . . . . . . . . . "4589"^^ . . . . "\u97CB\u65AF\u7279\u8C6A\u727949\u4E5F\u7A31\u70BAW49\uFF0C\u662F\u9280\u6CB3\u7CFB\u7684\u4E00\u500B\u6709\u8457\u5F37\u71B1\u96FB\u6CE2\u6E90\u7279\u5FB5\u7684\u6C2B\u96E2\u5B50\u5340\u3002\u5B83\u662F\u57281958\u5E74\u767C\u73FE\u7684\u3002 \u5B83\u7684\u8DDD\u96E2\u4F30\u8A08\u7D04\u70BA11,100\u79D2\u5DEE\u8DDD\u621636,000\u5149\u5E74\u3002\u5B83\u4F4D\u65BC\u9280\u6CB3\u7CFB\u5E73\u9762\u4E0A\uFF0C\u8207\u9280\u6CB3\u7CFB\u4E2D\u5FC3\u7684\u8DDD\u96E2\u5927\u7D04\u8207\u592A\u967D\u76F8\u540C\u3002\u8207\u5DE8\u5927\u7684\u6C2B\u96E2\u5B50\u5340NGC 3603\u6BD4\u8F03\uFF0C\u5176\u8DDD\u96E2\u53EA\u67096,900\u79D2\u5DEE\u8DDD\u3002\u5DF2\u7D93\u767C\u73FE\u7684\u975E\u71B1\u8F3B\u5C04\uFF0C\u88AB\u8A8D\u70BA\u662F\u4F86\u81EA\u4E00\u500B\u53E4\u8001\u7684\u8D85\u65B0\u661F\u6B98\u9AB8\uFF0C\u4E5F\u5DF2\u7D93\u6AA2\u6E2C\u5230\u6C23\u614B\u5206\u5B50\u6D41\u51FA\u4EE5\u53CAH2O\uFF08\u6C34\uFF09\u9081\u5C04\uFF0C\u4F46\u5C1A\u672A\u767C\u73FE\u5149\u5B78\u5C0D\u61C9\u7269\u3002\u96D6\u7136\u9019\u90E8\u5206\u662F\u7531\u65BC\u661F\u969B\u5438\u6536\uFF0C\u4F46\u5728\u9280\u6CB3\u7CFB\u5E73\u9762\u4E0A\u5982\u6B64\u9060\u8DDD\u96E2\u7684\u4EFB\u4F55\u6046\u661F\u7DCA\u5BC6\u805A\u96C6\uFF0C\u4E00\u822C\u90FD\u8207\u80CC\u666F\u5E7E\u4E4E\u6C92\u6709\u5340\u5225\u3002 2014\u5E74\u767C\u8868\u7684\u4E00\u9805\u7814\u7A76\uFF0C\u4F7F\u7528\u4E86VLT\u8207\u5176\u5B83\u5100\u5668\uFF0C\u8868\u660E\u5728\u9019\u500B\u6046\u661F\u5F62\u6210\u5340\u57DF\u7684\u4E2D\u5FC3\u661F\u5718\u4E2D\u5B58\u5728\u4E00\u9846\u975E\u5E38\u5927\u7684\u6046\u661F\u3002\u6240\u8FF0\u6046\u661F\u7684\u53C3\u6578\uFF08\u201CW49nr1\uFF0C\u4E5F\u7A31\u70BA[WBB2016] 1\u201D\uFF09\u5230\u76EE\u524D\u70BA\u6B62\u7684\u7D04\u675F\u6027\u5F88\u5DEE\uFF0C\u4F46\u662F\u4F30\u8A08\u7684\u5149\u5EA6\u662F\u592A\u967D\u7684\u5E7E\u767E\u842C\u500D\uFF0C\u521D\u59CB\u8CEA\u91CF\u5728100\u5230180\u592A\u967D\u8CEA\u91CF\u4E4B\u9593\uFF0C\u751A\u81F3\u53EF\u80FD\u66F4\u591A\u3002\u56E0\u6B64\u5C07\u5B83\u5217\u5165\u6700\u4EAE\u548C\u8CEA\u91CF\u6700\u5927\u7684\u6046\u661F\u8868\u4E2D\u3002\u4F4D\u65BC\u8A72\u5340\u7684\u53E6\u4E00\u9846\u6046\u661F\uFF0C[WBB2016] 2\uFF0C\u8CEA\u91CF\u70BA250\u592A\u967D\u8CEA\u91CF\uFF0C\u4E5F\u662F\u5DF2\u77E5\u6700\u660E\u4EAE\u548C\u8CEA\u91CF\u6700\u5927\u7684\u6046\u661F\u4E4B\u4E00\u3002"@zh . . "UKIDSS JHK image of W49"@en . . . . . . . "\u97CB\u65AF\u7279\u8C6A\u727949\u4E5F\u7A31\u70BAW49\uFF0C\u662F\u9280\u6CB3\u7CFB\u7684\u4E00\u500B\u6709\u8457\u5F37\u71B1\u96FB\u6CE2\u6E90\u7279\u5FB5\u7684\u6C2B\u96E2\u5B50\u5340\u3002\u5B83\u662F\u57281958\u5E74\u767C\u73FE\u7684\u3002 \u5B83\u7684\u8DDD\u96E2\u4F30\u8A08\u7D04\u70BA11,100\u79D2\u5DEE\u8DDD\u621636,000\u5149\u5E74\u3002\u5B83\u4F4D\u65BC\u9280\u6CB3\u7CFB\u5E73\u9762\u4E0A\uFF0C\u8207\u9280\u6CB3\u7CFB\u4E2D\u5FC3\u7684\u8DDD\u96E2\u5927\u7D04\u8207\u592A\u967D\u76F8\u540C\u3002\u8207\u5DE8\u5927\u7684\u6C2B\u96E2\u5B50\u5340NGC 3603\u6BD4\u8F03\uFF0C\u5176\u8DDD\u96E2\u53EA\u67096,900\u79D2\u5DEE\u8DDD\u3002\u5DF2\u7D93\u767C\u73FE\u7684\u975E\u71B1\u8F3B\u5C04\uFF0C\u88AB\u8A8D\u70BA\u662F\u4F86\u81EA\u4E00\u500B\u53E4\u8001\u7684\u8D85\u65B0\u661F\u6B98\u9AB8\uFF0C\u4E5F\u5DF2\u7D93\u6AA2\u6E2C\u5230\u6C23\u614B\u5206\u5B50\u6D41\u51FA\u4EE5\u53CAH2O\uFF08\u6C34\uFF09\u9081\u5C04\uFF0C\u4F46\u5C1A\u672A\u767C\u73FE\u5149\u5B78\u5C0D\u61C9\u7269\u3002\u96D6\u7136\u9019\u90E8\u5206\u662F\u7531\u65BC\u661F\u969B\u5438\u6536\uFF0C\u4F46\u5728\u9280\u6CB3\u7CFB\u5E73\u9762\u4E0A\u5982\u6B64\u9060\u8DDD\u96E2\u7684\u4EFB\u4F55\u6046\u661F\u7DCA\u5BC6\u805A\u96C6\uFF0C\u4E00\u822C\u90FD\u8207\u80CC\u666F\u5E7E\u4E4E\u6C92\u6709\u5340\u5225\u3002 2014\u5E74\u767C\u8868\u7684\u4E00\u9805\u7814\u7A76\uFF0C\u4F7F\u7528\u4E86VLT\u8207\u5176\u5B83\u5100\u5668\uFF0C\u8868\u660E\u5728\u9019\u500B\u6046\u661F\u5F62\u6210\u5340\u57DF\u7684\u4E2D\u5FC3\u661F\u5718\u4E2D\u5B58\u5728\u4E00\u9846\u975E\u5E38\u5927\u7684\u6046\u661F\u3002\u6240\u8FF0\u6046\u661F\u7684\u53C3\u6578\uFF08\u201CW49nr1\uFF0C\u4E5F\u7A31\u70BA[WBB2016] 1\u201D\uFF09\u5230\u76EE\u524D\u70BA\u6B62\u7684\u7D04\u675F\u6027\u5F88\u5DEE\uFF0C\u4F46\u662F\u4F30\u8A08\u7684\u5149\u5EA6\u662F\u592A\u967D\u7684\u5E7E\u767E\u842C\u500D\uFF0C\u521D\u59CB\u8CEA\u91CF\u5728100\u5230180\u592A\u967D\u8CEA\u91CF\u4E4B\u9593\uFF0C\u751A\u81F3\u53EF\u80FD\u66F4\u591A\u3002\u56E0\u6B64\u5C07\u5B83\u5217\u5165\u6700\u4EAE\u548C\u8CEA\u91CF\u6700\u5927\u7684\u6046\u661F\u8868\u4E2D\u3002\u4F4D\u65BC\u8A72\u5340\u7684\u53E6\u4E00\u9846\u6046\u661F\uFF0C[WBB2016] 2\uFF0C\u8CEA\u91CF\u70BA250\u592A\u967D\u8CEA\u91CF\uFF0C\u4E5F\u662F\u5DF2\u77E5\u6700\u660E\u4EAE\u548C\u8CEA\u91CF\u6700\u5927\u7684\u6046\u661F\u4E4B\u4E00\u3002"@zh . "In astronomy Westerhout 49 also known as W49, is a strong galactic thermal radio source characteristic of an HII region. It was discovered by Gart Westerhout in 1958. Its distance is estimated to be about 11.1 kpcs or 36,000 light years. and it lies in the galactic plane about the same distance from the galactic centre as does the Sun. It has been compared to the giant HII region NGC 3603 which is about half as distant. Non-thermal radiation has been found which is believed to be from an old supernova remnant. Gaseous molecular outflows have been detected as well as H2O (water) masers . No optical counterpart has yet been discovered. While this is partly due to interstellar absorption, any tight clustering of stars at such a great distance in the galactic plane would be scarcely distinguishable from the general background. A study published in 2014, where the VLT has been used among other instruments, shows the presence of a very massive star in the central cluster of this star-forming region. The parameters of said star (W49nr1, also known as [WBB2016] 1) are so far poorly constrained, but a luminosity of several million times that of the Sun is estimated as well as an initial mass between 100 and 180 solar masses, and perhaps even more, what would place it among both the most luminous and massive stars known. Another star located in the region, [WBB2016] 2, has a mass of 250 solar masses, and is also one of the most luminous and massive stars known."@en . "Westerhout 49"@en . . . . . . "Westerhout 49"@en . . . . "17232957"^^ . . "H II region"@en . . . . . . . "\u97CB\u65AF\u7279\u8C6A\u727949"@zh . "Westerhout 49"@es . . . . . . . . . "W49, Westerhout 49"@en . . "In astronomy Westerhout 49 also known as W49, is a strong galactic thermal radio source characteristic of an HII region. It was discovered by Gart Westerhout in 1958. Its distance is estimated to be about 11.1 kpcs or 36,000 light years. and it lies in the galactic plane about the same distance from the galactic centre as does the Sun. It has been compared to the giant HII region NGC 3603 which is about half as distant. Non-thermal radiation has been found which is believed to be from an old supernova remnant. Gaseous molecular outflows have been detected as well as H2O (water) masers . No optical counterpart has yet been discovered. While this is partly due to interstellar absorption, any tight clustering of stars at such a great distance in the galactic plane would be scarcely distinguis"@en . "Westerhout 49 (tambi\u00E9n conocida c\u00F3mo W49) es una fuente de ondas de radio con propiedades similares a la de una regi\u00F3n HII, situada en la constelaci\u00F3n del \u00C1guila y descubierta por el astr\u00F3nomo Gart Westerhout en 1958. Su distancia al Sol se estima en alrededor de 11,4 kilop\u00E1rsecs (37000 a\u00F1os luz). Est\u00E1 tan lejos que el polvo interestelar la hace invisible en el \u00F3ptico, por lo que para su estudio hay que recurrir a otras longitudes de onda adem\u00E1s de las ondas de radio, c\u00F3mo por ejemplo el infrarrojo, que penetran en \u00E9l."@es . .