Astrophysics / Astro-Ph.EP

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Possible explanations of the Maunder minimum from a flux transport   dynamo model

Possible explanations of the Maunder minimum from a flux transport dynamo model

: ์„œ๋ก  ๋ถ„์„ ์„œ๋ก ์—์„œ ์ €์ž๋“ค์€ ํƒœ์–‘ ํ™œ๋™ ์ฃผ๊ธฐ ์ค‘ ๊ฐ€์žฅ ์ค‘์š”ํ•œ ํŠน์ง• ์ค‘ ํ•˜๋‚˜์ธ ๋งˆ์šด๋” ์ตœ์†Œ๊ธฐ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•œ๋‹ค. ์ด ๊ธฐ๊ฐ„ ๋™์•ˆ ํƒœ์–‘ ํ‘์  ์ˆ˜๊ฐ€ ํ˜„์ €ํžˆ ๊ฐ์†Œํ–ˆ์œผ๋ฉฐ, ์ด๋Ÿฌํ•œ ์‚ฌ์‹ค์€ ์—ฌ๋Ÿฌ ์—ฐ๊ตฌ์—์„œ ํ™•์ธ๋˜์—ˆ๋‹ค(Ribes & Nesme Ribes, 1993; Hoyt & Schatten, 1996). ํŠนํžˆ, ์–‘ ๊ทน๋ฐ˜๊ตฌ ๋ชจ๋‘์—์„œ ํƒœ์–‘ ํ‘์  ์ˆ˜๊ฐ€ ๊ฑฐ์˜ ์ œ๋กœ์— ๊ฐ€๊นŒ์›Œ์กŒ์œผ๋ฉฐ ๋‚จ๋ฐ˜๊ตฌ์—์„œ๋Š” ๋งˆ์ง€๋ง‰ ๋‹จ๊ณ„์—์„œ ๋ช‡ ๊ฐœ์˜ ํ‘์ ์ด ๋‚˜ํƒ€๋‚ฌ๋‹ค(Ribes & Nesme Ribes, 1993). ์ฝ”์Šค๋ชจ์ œ๋‹‰ ๋™์œ„ ์›์†Œ ๋ฐ์ดํ„ฐ(Beer et al., 1998; Miyah

Model Astrophysics
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Lunar Eclipse of June, 15, 2011: Three-color umbra surface photometry

์ด ๋…ผ๋ฌธ์€ 2011๋…„ 6์›” 15์ผ์— ๋ฐœ์ƒํ•œ ์ด ๋‹ฌ ์‹์„ ๊ด€์ธกํ•˜์—ฌ ์ง€๊ตฌ ๋Œ€๊ธฐ์˜ ๊ด‘ํ•™์  ์„ฑ๋ถ„๊ณผ ๊ทธ ๋ณ€ํ™”๋ฅผ ๋ถ„์„ํ•˜๋Š” ๋ฐ ์ดˆ์ ์„ ๋งž์ถ”๊ณ  ์žˆ๋‹ค. ๋‹ฌ ์‹์€ ํƒœ์–‘์—์„œ ๋ฐœ์‚ฐ๋œ ๋ฐฉ์‚ฌ์„ ์ด ์ง€๊ตฌ ๋Œ€๊ธฐ๋ฅผ ํ†ต๊ณผํ•˜๋ฉด์„œ ๊ตด์ ˆ, ์‚ฐ๋ž€ ๋ฐ ํก์ˆ˜๋˜๋Š” ๊ณผ์ •์„ ๊ด€์ฐฐํ•  ์ˆ˜ ์žˆ๋Š” ์ค‘์š”ํ•œ ๊ธฐํšŒ๋กœ, ์ด๋Š” ๋Œ€๊ธฐ ์กฐ๊ฑด์— ํฌ๊ฒŒ ์˜์กดํ•œ๋‹ค. ๋…ผ๋ฌธ์˜ ํ•ต์‹ฌ ๋‚ด์šฉ์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค: 1. ๋‹ฌ ์‹์˜ ๊ด‘๋„ ์ธก์ • : ๋‹ฌ ํ‘œ๋ฉด์˜ ๊ด‘๋„๋ฅผ ์ธก์ •ํ•จ์œผ๋กœ์จ ์ง€๊ตฌ ๋Œ€๊ธฐ์˜ ๋‹ค์–‘ํ•œ ๊ณ ๋„์™€ ๊ฒฝ๊ณ„์—์„œ ๋ฐœ์ƒํ•˜๋Š” ๊ตด์ ˆ์„ ํฌ๊ด„ํ•œ๋‹ค. ํŠนํžˆ, 2011๋…„ 6์›” 15์ผ์˜ ์ด ๋‹ฌ ์‹์€ ์ ๋„ ๋ฐ ์—ด๋Œ€ ์ง€์—ญ์˜ ๋Œ€๊ธฐ๋ฅผ ๊ด€์ฐฐํ•  ์ˆ˜ ์žˆ๋Š”

Physics Astrophysics

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