Colin Stanley Gum (1924-1960) was an Australian astronomer who catalogued emission nebulae in the southern sky at the Mount Stromlo Observatory using wide field photography. Gum published his findings in 1955 in a study entitled A study of diffuse southern H-alpha nebulae which presented a catalog of 85 nebulae or nebular complexes. Gum 12, a huge area of nebulosity in the direction of the constellations Puppis and Vela, was later named the Gum Nebula in his honour. Gum was part of the team, whose number included Frank John Kerr and Gart Westerhout, that determined the precise position of the neutral hydrogen plane in space. (See Gum catalog)

The crater Gum on the Moon is named after him. An obituary article on Gum appears in the Australian Journal of Science (Vol. 23, no. 4, 1960).

[edit] Sources

• Gum Nebula
• SouthernSkyPhoto.com
• Anglo-Australian Observatory
• Physics Today, 2001
• The Cloud Hunters
• Illustrated Gum Catalog

v • d • e Gum Catalog Colin Stanley Gum Gum 1  · Gum 2  · Gum 3  · Gum 4  · Gum 5  · Gum 6  · Gum 7  · Gum 8  · Gum 9  · Gum 10  · Gum 12  · Gum 13  · Gum 14  · Gum 15  · Gum 16  · Gum 17  · Gum 18  · Gum 19  · Gum 20  · Gum 21  · Gum 22  · Gum 23  · Gum 24  · Gum 25  · Gum 26  · Gum 27  · Gum 28  · Gum 29  · Gum 30  · Gum 31  · Gum 32  · Gum 33  · Gum 34  · Gum 35  · Gum 36  · Gum 37  · Gum 38  · Gum 39  · Gum 40  · Gum 41  · Gum 42  · Gum 43  · Gum 44  · Gum 45  · Gum 46  · Gum 47  · Gum 48  · Gum 49  · Gum 50  · Gum 51  · Gum 52  · Gum 53  · Gum 54  · Gum 55  · Gum 56  · Gum 57  · Gum 58  · Gum 59  · Gum 60  · Gum 61  · Gum 62  · Gum 63  · Gum 64  · Gum 65  · Gum 66  · Gum 67  · Gum 68  · Gum 69  · Gum 70  · Gum 71  · Gum 72  · Gum 73  · Gum 74  · Gum 75  · Gum 76  · Gum 77  · Gum 78  · Gum 79  · Gum 80  · Gum 81  · Gum 82  · Gum 83  · Gum 84  · Gum 85 See also: Gum Nebula

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