723 Hammonia
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723 Hammonia is a minor planet orbiting the Sun. It was discovered in 1911 and is named after the city of Hamburg.[1] Although the name alludes to Hamburg it was discovered in Vienna.[2] (Vienna is the capital of Austria)
The asteroid was discovered by the noted and prolific astronomer Johann Palisa.[3] He worked from Pola early in is career and later from Vienna observatories.[4] The same night he discovered Hammonia, he also discovered 724 Hapag and 725 Amanda.[5] He discovered dozens and dozens of asteroids between 1874 and 1923, ranging from 136 Austria to 1073 Gellivara.[6]
As seen from a certain area on Earth, 723 Hammonia occulted the star 3UC149-190572 on June 3, 2013.[7]
In 2014 it was noted to have a high-albedo and amorphous Mg pyroxenes was suggested as a possible reason for this.[8]
See also
- 449 Hamburga (another asteroid named after Hamburg)
- Vienna Observatory
External links
References
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- ↑ (723) Hammonia
- ↑ (723) Hammonia
- ↑ Johann Palisa, the most successful visual discoverer of asteroids
- ↑ Johann Palisa, the most successful visual discoverer of asteroids
- ↑ Johann Palisa, the most successful visual discoverer of asteroids
- ↑ Johann Palisa, the most successful visual discoverer of asteroids
- ↑ OCULTACION 3UC149-190572 POR 723 HAMMONIA 2013-06-03
- ↑ High-albedo C-complex outer-belt asteroids: The near-infrared spectra
