| bibtype |
J -
Journal Article
|
| ARLID |
0495019 |
| utime |
20240103220714.1 |
| mtime |
20181023235959.9 |
| SCOPUS |
85044724208 |
| WOS |
000428422500001 |
| DOI |
10.1051/0004-6361/201732528 |
| title
(primary) (eng) |
The magnetic nature of umbra-penumbra boundary in sunspots |
| specification |
| page_count |
13 s. |
| media_type |
E |
|
| serial |
| ARLID |
cav_un_epca*0256206 |
| ISSN |
0004-6361 |
| title
|
Astronomy & Astrophysics |
| volume_id |
611 |
| publisher |
|
|
| keyword |
Sun |
| keyword |
magnetic fields |
| keyword |
photosphere |
| author
(primary) |
| ARLID |
cav_un_auth*0100034 |
| name1 |
Jurčák |
| name2 |
Jan |
| full_dept (cz) |
Sluneční oddělení |
| full_dept (eng) |
Department of Solar Physics |
| institution |
ASU-R |
| full_dept |
Department of Solar Physics - Team 1 |
| garant |
A |
| fullinstit |
Astronomický ústav AV ČR, v. v. i. |
|
| author
|
| ARLID |
cav_un_auth*0313291 |
| name1 |
Rezaei |
| name2 |
R. |
| country |
DE |
|
| author
|
| ARLID |
cav_un_auth*0287659 |
| name1 |
Bello González |
| name2 |
N. |
| country |
ES |
|
| author
|
| ARLID |
cav_un_auth*0313290 |
| name1 |
Schlichenmaier |
| name2 |
R. |
| country |
DE |
|
| author
|
| ARLID |
cav_un_auth*0101228 |
| name1 |
Vomlel |
| name2 |
Jiří |
| full_dept (cz) |
Matematická teorie rozhodování |
| full_dept |
Department of Decision Making Theory |
| department (cz) |
MTR |
| department |
MTR |
| institution |
UTIA-B |
| full_dept |
Department of Decision Making Theory |
| fullinstit |
Ústav teorie informace a automatizace AV ČR, v. v. i. |
|
| cas_special |
| abstract
(eng) |
We aim at studying the magnetic nature of umbra-penumbra boundaries in sunspots of different sizes, morphologies, evolutionary stages, and phases of the solar cycle. We statistically prove that the umbra-penumbra boundary in stable sunspots is characterised by an invariant value of the vertical magnetic field component: the vertical component of the magnetic field strength does not depend on the umbra size, its morphology, and phase of the solar cycle. With the statistical Bayesian inference, we find that the strength of the vertical magnetic field component is, with a likelihood of 99%, in the range of 1849-1885 G with the most probable value of 1867 G. In contrast, the magnetic field strength and inclination averaged along individual boundaries are found to be dependent on the umbral size: the larger the umbra, the stronger and more horizontal the magnetic field at its boundary. |
| RIV |
BN |
| FORD0 |
10000 |
| FORD1 |
10300 |
| FORD2 |
10308 |
| reportyear |
2019 |
| mrcbC47 |
UTIA-B 10000 10200 10201 |
| mrcbC55 |
UTIA-B JD |
| inst_support |
RVO:67985815 |
| inst_support |
RVO:67985556 |
| permalink |
http://hdl.handle.net/11104/0288058 |
| mrcbC61 |
1 |
| confidential |
S |
| article_num |
L4 |
| mrcbC86 |
2 Article Astronomy Astrophysics |
| mrcbT16-e |
ASTRONOMYASTROPHYSICS |
| mrcbT16-j |
1.735 |
| mrcbT16-s |
2.527 |
| mrcbT16-B |
86.53 |
| mrcbT16-D |
Q1 |
| mrcbT16-E |
Q2 |
| arlyear |
2018 |
| mrcbU14 |
85044724208 SCOPUS |
| mrcbU24 |
PUBMED |
| mrcbU34 |
000428422500001 WOS |
| mrcbU63 |
cav_un_epca*0256206 Astronomy & Astrophysics 0004-6361 1432-0746 Roč. 611 March 2018 EDP Sciences |
|