The Gum catalog is an
astronomical catalog
An astronomical catalog or catalogue is a list or tabulation of astronomical objects, typically grouped together because they share a common type, morphology, origin, means of detection, or method of discovery. The oldest and largest are star c ...
of 84
emission nebula
An emission nebula is a nebula formed of ionized gases that emit light of various wavelengths. The most common source of ionization is high-energy ultraviolet photons emitted from a nearby hot star. Among the several different types of emissio ...
e in the southern sky. It was made by the
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
n
astronomer
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...
Colin Stanley Gum
Colin Stanley Gum (4 June 1924 – 29 April 1960) was an Australian astronomer known for his cataloguing of emission nebulae and the publication of his findings.
Early life and education
Gum was born at Quambi Hospital in Adelaide, South Austra ...
(1924-1960) at
Mount Stromlo Observatory
Mount Stromlo Observatory located just outside Canberra, Australia, is part of the Research School of Astronomy and Astrophysics at the Australian National University (ANU).
History
The observatory was established in 1924 as The Commonweal ...
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 84 nebulae or nebular complexes. Similar catalogs include the
Sharpless catalog and the
RCW catalog
The RCW Catalogue (from Rodgers, Campbell & Whiteoak) is an astronomical catalogue of Hα-emission regions in the southern Milky Way, described in . It contains 182 objects, including many of the earlier Gum catalogue (84 items) objects.
The la ...
, and many of the Gum objects are repeated in these other catalogs. However, the RCW and Gum catalogs were mainly of the southern hemisphere (Mount Stromlo is in the southern hemisphere)
The
Gum Nebula
The Gum Nebula (Gum 12) is an emission nebula that extends across 36° in the southern constellations Vela and Puppis. It lies approximately 450 parsecs from the Earth. Hard to distinguish, it was widely believed to be the greatly expanded (an ...
is named for Gum, who discovered it as Gum 12; it is an
emission nebula
An emission nebula is a nebula formed of ionized gases that emit light of various wavelengths. The most common source of ionization is high-energy ultraviolet photons emitted from a nearby hot star. Among the several different types of emissio ...
that can be found in the southern
constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The origins of the e ...
s
Vela and
Puppis.
Examples
List
*
Gum 1
*
Gum 2
*
Gum 3
*
Gum 4
*
Gum 5
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
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 may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
Gum 42
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
Gum 43
*
Gum 44
*
Gum 45
*
Gum 46
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
Gum 47
*
Gum 48
*
Gum 49
*
Gum 50
*
Gum 51
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree ...
*
Gum 52
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
Gum 53
*
Gum 54
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
Gum 55
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
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 may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
Gum 68
*
Gum 69
*
Gum 70a, Gum 70b, HD 100546 Nebulae
*
Gum 71
*
Gum 72
*
Gum 73
Gum may refer to:
Types of gum
* Adhesive
* Bubble gum
* Chewing gum
* Gum (botany), sap or other resinous material associated with certain species of the plant kingdom
** Gum arabic, made from the sap of ''Acacia senegal'', an Old World tree sp ...
*
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
*
RCW Catalogue
The RCW Catalogue (from Rodgers, Campbell & Whiteoak) is an astronomical catalogue of Hα-emission regions in the southern Milky Way, described in . It contains 182 objects, including many of the earlier Gum catalogue (84 items) objects.
The la ...
References
Sources
Gum NebulaThe Cloud HuntersIllustrated Gum Catalog
External links
Illustrated and annotated commentary of Gum objects
{{Portal bar, Astronomy, Stars, Spaceflight, Outer space, Solar System
Astronomical catalogues of nebulae
H II regions
1955 documents
1955 in science