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Winnecke Catalogue of Double Stars

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Winnecke Catalogue of Double Stars is a list of seven "new" double stars published by German Astronomer August Winnecke in Astronomische Nachrichten in 1869.[1] Winnecke later noted that three of the double stars he catalogued had been discovered earlier (30 Eridani, Bradley 757, and 44 Cygni). The stars are sometimes given Winnecke designations (e.g. Winnecke 4), and sometimes abbreviated to WNC.

WNC # Constellation Component Magnitudes Spectral Types Right Ascension Declination
1 Pisces 9.9 / 10.4 G5 / ? 00h 58m 01s +09° 16.7′
2 Eridanus 5.4 / 10.6 B8V / F4V 03h 52m 42s −05° 21.7′
3 Orion 6.6 / 8.0 / 8.1 F7V / F8V / F8V 05h 23m 51s 00° 52.0′
4 Ursa Major 9.6 / 10.1 G0 / F8 12h 22m 16s 58° 5.0′
5 Virgo 9.6 G0 13h 45m 33s −03° 1.0′
6 Cygnus 6.2 F5Iab 20h 31m 00s 36° 56.2′
7 Pegasus 8.6 F8 23h 32m 33s 31° 26.8′

References

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  1. ^ Winnecke, A (1869). "Doppelsternmessungen. Von Herrn Dr. A. Winnecke" (PDF). Astronomische Nachrichten. 73 (10): 145. Bibcode:1869AN.....73..145W. doi:10.1002/asna.18690731002.
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