Talk:Globular cluster: Difference between revisions
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I'm going to remove the very very wrong statement: "These globular clusters orbit the Galaxy at radii of 40 kiloparsecs (130,000 light-years) or more." which cites [http://adsabs.harvard.edu/abs/1996A&A...313..119D Dauphole et al. (1996)]. This is a misunderstanding of a somewhat vague statement in that paper. The statement is "They cite the well known fact that the distribution of the observed positions of globular clusters has a gap after the galactocentric distance of 40 kpc." A simple look at the [https://www.physics.mcmaster.ca/~harris/mwgc.dat Harris catalog] reveals that 60% of known globular clusters are at a galactocentric distance of 8 kpc (distance of the Sun from the Galactic center) or less. In fact, their distribution peaks toward the center and drops sharply outward; I will try to locate a literature reference to this fact and update the information. [[Special:Contributions/81.182.197.34|81.182.197.34]] ([[User talk:81.182.197.34|talk]]) 09:28, 3 June 2018 (UTC) |
I'm going to remove the very very wrong statement: "These globular clusters orbit the Galaxy at radii of 40 kiloparsecs (130,000 light-years) or more." which cites [http://adsabs.harvard.edu/abs/1996A&A...313..119D Dauphole et al. (1996)]. This is a misunderstanding of a somewhat vague statement in that paper. The statement is "They cite the well known fact that the distribution of the observed positions of globular clusters has a gap after the galactocentric distance of 40 kpc." A simple look at the [https://www.physics.mcmaster.ca/~harris/mwgc.dat Harris catalog] reveals that 60% of known globular clusters are at a galactocentric distance of 8 kpc (distance of the Sun from the Galactic center) or less. In fact, their distribution peaks toward the center and drops sharply outward; I will try to locate a literature reference to this fact and update the information. [[Special:Contributions/81.182.197.34|81.182.197.34]] ([[User talk:81.182.197.34|talk]]) 09:28, 3 June 2018 (UTC) |
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== [[WP:URFA/2020]] == |
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We've got lots of uncited text here, as well as many of the sources being from before 2005. This needs additional citations and an update with newer sources. [[User:Hog Farm|Hog Farm]] <sub> [[User talk:Hog Farm|Talk]]</sub> 02:04, 27 January 2021 (UTC) |
Revision as of 02:04, 27 January 2021
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Galactocentric distances of globular clusters
I'm going to remove the very very wrong statement: "These globular clusters orbit the Galaxy at radii of 40 kiloparsecs (130,000 light-years) or more." which cites Dauphole et al. (1996). This is a misunderstanding of a somewhat vague statement in that paper. The statement is "They cite the well known fact that the distribution of the observed positions of globular clusters has a gap after the galactocentric distance of 40 kpc." A simple look at the Harris catalog reveals that 60% of known globular clusters are at a galactocentric distance of 8 kpc (distance of the Sun from the Galactic center) or less. In fact, their distribution peaks toward the center and drops sharply outward; I will try to locate a literature reference to this fact and update the information. 81.182.197.34 (talk) 09:28, 3 June 2018 (UTC)
We've got lots of uncited text here, as well as many of the sources being from before 2005. This needs additional citations and an update with newer sources. Hog Farm Talk 02:04, 27 January 2021 (UTC)
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