SN 2005df was a Type Ia supernova in the barred spiral galaxy NGC 1559, which is located in the southern constellation of Reticulum. The event was discovered in Australia by Robert Evans on the early morning of August 5, 2005 with a 13.8 magnitude, and was confirmed by A. Gilmore on August 6. The supernova was classified as Type Ia by M. Salvo and associates. It was positioned at an offset of 15.0″ east and 40.0″ north of the galaxy's nucleus, reaching a maximum brightness of 12.3 on August 18. The supernova luminosity appeared unreddened by dust from its host galaxy.
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- SN 2005df (pl)
- SN 2005df (sv)
- SN 2005df (zh)
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| - SN 2005df – supernowa typu Ia odkryta 4 sierpnia 2005 roku w galaktyce NGC 1559. W momencie odkrycia miała maksymalną jasność 13,80m. (pl)
- SN 2005df var en typ Ia supernova i galaxen NGC 1559. Den upptäcktes i Australien av Robert Evans en tidig morgon den 5 augusti, 2005 och hade då en magnitud på +13.8. Den nådde sin högsta magnitud 10 dagar senare; +12.3. SN 2005df var den 110:de supernovan som upptäcktes år 2005. (sv)
- SN 2005df是NGC 1559星系中一颗Ia型超新星。它由羅伯特·埃文斯于2008年8月5日早晨在澳大利亚发现,视星等为13.8,它在大约十天前达到最亮星等12.3。 SN 2005df是2005年发现的第104颗超新星, (zh)
- SN 2005df was a Type Ia supernova in the barred spiral galaxy NGC 1559, which is located in the southern constellation of Reticulum. The event was discovered in Australia by Robert Evans on the early morning of August 5, 2005 with a 13.8 magnitude, and was confirmed by A. Gilmore on August 6. The supernova was classified as Type Ia by M. Salvo and associates. It was positioned at an offset of 15.0″ east and 40.0″ north of the galaxy's nucleus, reaching a maximum brightness of 12.3 on August 18. The supernova luminosity appeared unreddened by dust from its host galaxy. (en)
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| - SN 2005df is visible as the bright star just above the galaxy at center (en)
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| - First supernovae observed in NGC 1559 since 1986; brightest of 2005. (en)
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| - SN 2005df was a Type Ia supernova in the barred spiral galaxy NGC 1559, which is located in the southern constellation of Reticulum. The event was discovered in Australia by Robert Evans on the early morning of August 5, 2005 with a 13.8 magnitude, and was confirmed by A. Gilmore on August 6. The supernova was classified as Type Ia by M. Salvo and associates. It was positioned at an offset of 15.0″ east and 40.0″ north of the galaxy's nucleus, reaching a maximum brightness of 12.3 on August 18. The supernova luminosity appeared unreddened by dust from its host galaxy. The progenitor was a carbon-oxygen white dwarf close to the Chandrasekhar limit, making a merger scenario unlikely. Modelling of the explosion shows a low central density for a hydrogen accretion scenario, suggesting the donating companion was a helium star or a tidally-disrupted white dwarf. Alternatively, the progenitor may have undergone some form of central mixing. (en)
- SN 2005df – supernowa typu Ia odkryta 4 sierpnia 2005 roku w galaktyce NGC 1559. W momencie odkrycia miała maksymalną jasność 13,80m. (pl)
- SN 2005df var en typ Ia supernova i galaxen NGC 1559. Den upptäcktes i Australien av Robert Evans en tidig morgon den 5 augusti, 2005 och hade då en magnitud på +13.8. Den nådde sin högsta magnitud 10 dagar senare; +12.3. SN 2005df var den 110:de supernovan som upptäcktes år 2005. (sv)
- SN 2005df是NGC 1559星系中一颗Ia型超新星。它由羅伯特·埃文斯于2008年8月5日早晨在澳大利亚发现,视星等为13.8,它在大约十天前达到最亮星等12.3。 SN 2005df是2005年发现的第104颗超新星, (zh)
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| - l = 274.49°, b = −41.2° (en)
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