Photospheric high-frequency acoustic power excess in sunspot umbra: signature of magneto-acoustic modes

Zharkov, S.; Shelyag, S.; Fedun, V.; Erdélyi, R.; Thompson, M. J.

doi:10.5194/angeo-31-1357-2013

Articles | Volume 31, issue 8

https://doi.org/10.5194/angeo-31-1357-2013

© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Dynamical processes in space plasmas II

https://doi.org/10.5194/angeo-31-1357-2013

© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 31, issue 8

Regular paper

|

06 Aug 2013

Regular paper |

| 06 Aug 2013

Photospheric high-frequency acoustic power excess in sunspot umbra: signature of magneto-acoustic modes

S. Zharkov, S. Shelyag, V. Fedun, R. Erdélyi, and M. J. Thompson

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Total article views: 2,571 (including HTML, PDF, and XML)

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1,338	1,103	130	2,571	164	217

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PDF: 1,103
XML: 130
Total: 2,571
BibTeX: 164
EndNote: 217

Views and downloads (calculated since 06 Aug 2013)

Month	HTML	PDF	XML	Total
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Oct 2013	14	34	1	49
Nov 2013	10	27	0	37
Dec 2013	9	27	0	36
Jan 2014	4	18	0	22
Feb 2014	10	22	2	34
Mar 2014	17	28	3	48
Apr 2014	3	10	1	14
May 2014	9	25	0	34
Jun 2014	4	14	0	18
Jul 2014	13	22	0	35
Aug 2014	7	28	1	36
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Oct 2014	5	15	0	20
Nov 2014	1	32	0	33
Dec 2014	3	16	0	19
Jan 2015	2	10	0	12
Feb 2015	5	20	1	26
Mar 2015	6	6	0	12
Apr 2015	9	8	0	17
May 2015	11	6	0	17
Jun 2015	24	8	0	32
Jul 2015	26	7	0	33
Aug 2015	8	8	0	16
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Oct 2015	12	3	3	18
Nov 2015	16	6	0	22
Dec 2015	5	3	0	8
Jan 2016	13	12	1	26
Feb 2016	8	6	1	15
Mar 2016	10	6	0	16
Apr 2016	1	6	0	7
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May 2020	6	4	1	11
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Jul 2020	11	9	6	26
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Apr 2023	3	5	0	8
May 2023	10	7	4	21
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Jan 2024	6	4	0	10
Feb 2024	2	3	0	5
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May 2024	18	5	8	31
Jun 2024	7	4	0	11
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Aug 2024	19	3	3	25
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Oct 2024	13	2	1	16
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Jan 2025	15	7	4	26
Feb 2025	18	5	1	24
Mar 2025	10	8	1	19
Apr 2025	12	6	0	18
May 2025	16	6	3	25
Jun 2025	36	6	1	43
Jul 2025	17	12	1	30
Aug 2025	17	4	0	21
Sep 2025	29	10	3	42
Oct 2025	19	16	2	37
Nov 2025	18	20	2	40
Dec 2025	25	13	5	43
Jan 2026	29	7	9	45
Feb 2026	20	10	3	33
Mar 2026	11	11	2	24
Apr 2026	21	16	2	39
May 2026	9	5	1	15

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Month	HTML	PDF	XML	Total
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Sep 2013	19	50	4	73
Oct 2013	14	34	1	49
Nov 2013	10	27	0	37
Dec 2013	9	27	0	36
Jan 2014	4	18	0	22
Feb 2014	10	22	2	34
Mar 2014	17	28	3	48
Apr 2014	3	10	1	14
May 2014	9	25	0	34
Jun 2014	4	14	0	18
Jul 2014	13	22	0	35
Aug 2014	7	28	1	36
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Oct 2014	5	15	0	20
Nov 2014	1	32	0	33
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Jan 2015	2	10	0	12
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Jul 2015	26	7	0	33
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Dec 2024	2	4	1	7
Jan 2025	15	7	4	26
Feb 2025	18	5	1	24
Mar 2025	10	8	1	19
Apr 2025	12	6	0	18
May 2025	16	6	3	25
Jun 2025	36	6	1	43
Jul 2025	17	12	1	30
Aug 2025	17	4	0	21
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Oct 2025	19	16	2	37
Nov 2025	18	20	2	40
Dec 2025	25	13	5	43
Jan 2026	29	7	9	45
Feb 2026	20	10	3	33
Mar 2026	11	11	2	24
Apr 2026	21	16	2	39
May 2026	9	5	1	15

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Latest update: 24 May 2026

Photospheric high-frequency acoustic power excess in sunspot umbra: signature of magneto-acoustic modes

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