| 词条 | Solar cycle 5 |
| 释义 |
|cycle_num=5 |start_date=April 1798 |end_date=August 1810 |duration=12.3 |max_count=82.0 |max_count_date=February 1805 |min_count=5.3 |prev_name=Solar cycle 4 |prev_dates=1784-1798 |next_name=Solar cycle 6 |next_dates=1810-1823 }}Solar cycle 5 was the fifth solar cycle since 1755, when extensive recording of solar sunspot activity began.[1][2] The solar cycle lasted 12.3 years, beginning in April 1798 and ending in August 1810 (thus falling within the Dalton Minimum). The maximum smoothed sunspot number (SIDC formula) observed during the solar cycle was 82.0, in February 1805 (the second-lowest of any cycle to date, behind solar cycle 6, as a result of being part of the Dalton Minimum), and the starting minimum was 5.3.[3] See also
References1. ^Kane, R.P. (2002). "Some Implications Using the Group Sunspot Number Reconstruction". Solar Physics 205(2), 383-401. {{Solar cycles}}{{Use dmy dates|date=October 2010}}{{DEFAULTSORT:Solar Cycle 05}}{{sun-stub}}2. ^{{cite web | title=The Sun: Did You Say the Sun Has Spots? | url=http://www.spacetoday.org/SolSys/Sun/Sunspots.html | publisher=Space Today Online | accessdate=12 August 2010}} 3. ^SIDC Monthly Smoothed Sunspot Number. " " 1 : Solar cycles |
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