NGC 1533
Template:Short description Template:Infobox Galaxy
NGC 1533 is a barred lenticular galaxy with faint spiral structure in the constellation Dorado. The seventh-brightest member of the Dorado Group and 1°[1] off the group's center,[2] it is surrounded by a vast arc or ring of H I which is connected to IC 2038 and IC 2039.[2] The ring orbits around 32 kpc from the center.[1]<templatestyles src="Citation/styles.css"/>[b] As is typical of lenticular galaxies, star formation is weak in NGC 1533.[2] Using both the surface brightness fluctuation (SBF) and globular cluster luminosity function (GCLF) methods, its distance was estimated in 2007 to be 19.4 ± 1.1 Mpc and 18.6 ± 2.0 Mpc respectively.[2] Averaging these together gives a distance of around 19 million parsecs or 62 million light-years from earth.<templatestyles src="Citation/styles.css"/>[a] In 1970, a supernova was detected in NGC 1533.[3]
NGC 1533 was discovered by John Herschel on December 5, 1834.
Notes
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- <templatestyles src="Citation/styles.css"/>^ average(19.4 ± 1.1, 18.6 ± 2.0) = ((19.4 + 18.6) / 2) ± ((1.12 + 2.02)0.5 / 2) = 19.0 ± 1.1
- <templatestyles src="Citation/styles.css"/>^ 35 kpc calculated assuming a distance of 21 Mpc[1] converts to a distance of 32 (35 ÷ 21 × 19) kpc for the current distance estimate of 19 Mpc
References
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