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The "Carrington longitude" of the same feature refers to an arbitrary fixed reference point of an imagined rigid rotation, as defined originally by Richard Christopher Carrington. Carrington determined the solar rotation rate from low latitude sunspots in the 1850s and arrived at 25.38 days for the sidereal rotation period.
The Carrington heliographic coordinate system, established by Richard C. Carrington in 1863, rotates with the Sun at a fixed rate based on the observed rotation of low-latitude sunspots. It rotates with a sidereal period of exactly 25.38 days, which corresponds to a mean synodic period of 27.2753 days.
Carrington also determined the elements of the rotation axis of the Sun, based on sunspot motions, and his results remain in use today. Carrington rotation is a system for measuring solar longitude based on his observations of the low-latitude solar rotation rate. Carrington made the initial observations leading to the establishment of Spörer ...
Rotation period with respect to distant stars, the sidereal rotation period (compared to Earth's mean Solar days) Synodic rotation period (mean Solar day) Apparent rotational period viewed from Earth Sun [i] 25.379995 days (Carrington rotation) 35 days (high latitude) 25 d 9 h 7 m 11.6 s 35 d ~28 days (equatorial) [2] Mercury: 58.6462 days [3 ...
The Carrington Event was the most intense geomagnetic storm in recorded history, peaking on 1–2 September 1859 during solar cycle 10. It created strong auroral displays that were reported globally and caused sparking and even fires in telegraph stations. [ 1 ]
The most intense ionospheric storm occurred in 1859, commonly named the “solar storm of 1859” or the “Carrington Event.” The Carrington Event was named after Richard Carrington , an English astronomer who observed the irregular sun activity [ 5 ] that occurred during the Carrington Event.
The most significant known solar storm, across the most parameters, occurred in September 1859 and is known as the "Carrington event". [10] The damage from the most potent solar storms is capable of existentially threatening the stability of modern human civilization, [ 11 ] [ 8 ] although proper preparedness and mitigation can substantially ...
1 Current Carrington Rotation. 1 comment. 2 The formula at the top of this article. 1 comment. 3 Need simpler opener. 2 comments. 4 But Why does the rotation rate ...
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