Where are the solar magnetic poles?
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1 Where are the solar magnetic poles? Adur Pastor Yabar María Jesús Martínez González Manuel Collados Vera Instituto de Astrofísica de Canarias Universidad de La Laguna
2 OUTLINE Introduction Data & procedure Results Conclusion 4th SOLARNET meeting; A. Pastor Yabar 2
3 INTRODUCTION 4th SOLARNET meeting; A. Pastor Yabar 3
4 Introduction Babcock & Babcock 1955: They Discovered the Presence of a Dominant Polarity at the Polar Caps The Sign of This Magnetic Signal at Each Pole is of Opposite Polarity Babcock 1959: The Dominant Polarity at Each Polar Region Reversed Their Polarity in a Maximum of Activity 4th SOLARNET meeting; A. Pastor Yabar 4
5 Introduction Babcock & Babcock 1955: They Discovered the Presence of a Dominant Polarity at the Polar Caps The Sign of This Magnetic Signal at Each Pole is of Opposite Polarity Babcock 1959: The Dominant Polarity at Each Polar Region Reversed Their Polarity in a Maximum of Activity 4th SOLARNET meeting; A. Pastor Yabar 5
6 Introduction Babcock & Babcock 1955: They Discovered the Presence of a Dominant Polarity at the Polar Caps The Sign of This Magnetic Signal at Each Pole is of Opposite Polarity Babcock 1959: The Dominant Polarity at Each Polar Region Reversed Their Polarity in a Maximum of Activity 4th SOLARNET meeting; A. Pastor Yabar 6
7 Introduction Babcock & Babcock 1955: They Discovered the Presence of a Dominant Polarity at the Polar Caps The Sign of This Magnetic Signal at Each Pole is of Opposite Polarity Babcock 1959: The Dominant Polarity at Each Polar Region Reversed Their Polarity in a Maximum of Activity 4th SOLARNET meeting; A. Pastor Yabar 7
8 DATA & PROCEDURE 4th SOLARNET meeting; A. Pastor Yabar 8
9 Data & procedure Magnetograms: Data Since 2010 FeI 6173Å Full Disk Spatial Resolution 1" 4th SOLARNET meeting; A. Pastor Yabar 9
10 Data & procedure MOVIE 1 4th SOLARNET meeting; A. Pastor Yabar 10
11 RESULTS 4th SOLARNET meeting; A. Pastor Yabar 11
12 Results 4th SOLARNET meeting; A. Pastor Yabar 12
13 Results 4th SOLARNET meeting; A. Pastor Yabar 13
14 Results 4th SOLARNET meeting; A. Pastor Yabar 14
15 Results 4th SOLARNET meeting; A. Pastor Yabar 15
16 Results 4th SOLARNET meeting; A. Pastor Yabar 16
17 Results 4th SOLARNET meeting; A. Pastor Yabar 17
18 Results 4th SOLARNET meeting; A. Pastor Yabar 18
19 Results Equations Of A Dipole Oblique Rotator: Take Into Account B0 Differential Rotation 4th SOLARNET meeting; A. Pastor Yabar 19
20 Results MOVIE 2 4th SOLARNET meeting; A. Pastor Yabar 20
21 Results 4th SOLARNET meeting; A. Pastor Yabar 21
22 Results 4th SOLARNET meeting; A. Pastor Yabar 22
23 CONCLUSIONS 4th SOLARNET meeting; A. Pastor Yabar 23
24 Conclusions Observational Constraint For The Theories Of Generation Of Stellar Magnetic Fields Misalignment Between Rotational And Magnetic Axes Misalignment Angle Between 20º To 40º. Similar To The Ones Recovered From The Interplanetary Medium (Hundhausen 1977) The Sun Is No Longer A Peculiar Star 4th SOLARNET meeting; A. Pastor Yabar 24
25 Conclusions Observational Constraint For The Theories Of Generation Of Stellar Magnetic Fields Misalignment Between Rotational And Magnetic Axes Misalignment Angle Between 20º To 40º. Similar To The Ones Recovered From The Interplanetary Medium (Hundhausen 1977) The Sun Is No Longer A Peculiar Star 4th SOLARNET meeting; A. Pastor Yabar 25
26 Conclusions Observational Constraint For The Theories Of Generation Of Stellar Magnetic Fields Misalignment Between Rotational And Magnetic Axes Misalignment Angle Between 20º To 40º. Similar To The Ones Recovered From The Interplanetary Medium (Hundhausen 1977) The Sun Is No Longer A Peculiar Star 4th SOLARNET meeting; A. Pastor Yabar 26
27 Conclusions Observational Constraint For The Theories Of Generation Of Stellar Magnetic Fields Misalignment Between Rotational And Magnetic Axes Misalignment Angle Between 20º To 40º. Similar To The Ones Recovered From The Interplanetary Medium (Hundhausen 1977) The Sun Is No Longer A Peculiar Star 4th SOLARNET meeting; A. Pastor Yabar 27
28 All transition images are courtesy of SDO team THANKS! 4th SOLARNET meeting; A. Pastor Yabar
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