Oscillations in the photosphere
and the chromosphere of
solar magnetic features
R. Centeno Elliott, M. Collados
J. Trujillo Bueno, H. Socas-Navarro
JENAM 2004
Introduction
- Shock waves
- chromospheric and coronal heating
- sunspots, pores, facular regions...
JENAM 2004
Observations
VTT - TIP
Spectropolarimetric data (I, Q, U, V)
Temporal series with fixed slit (∆t = 2 - 8 s)
JENAM 2004
Observations
VTT - TIP
Spectropolarimetric data (I, Q, U, V)
Temporal series with fixed slit (∆t = 2 - 8 s)
JENAM 2004
Observations
VTT - TIP
Spectropolarimetric data (I, Q, U, V)
Temporal series with fixed slit (∆t = 2 - 8 s)
JENAM 2004
Observations
VTT - TIP
Spectropolarimetric data (I, Q, U, V)
Temporal series with fixed slit (∆t = 2 - 8 s)
Full Stokes Inversion
Silicon I
(photosphere)
Helium I
(chromosphere)
JENAM 2004
Sunspots (1)
JENAM 2004
Sunspots (1)
JENAM 2004
Sunspots (1)
JENAM 2004
Sunspots (2)
JENAM 2004
Sunspots (2)
JENAM 2004
Sunspots (2)
JENAM 2004
Pores
JENAM 2004
Pores
JENAM 2004
Pores
JENAM 2004
Facular regions
JENAM 2004
Facular regions
JENAM 2004
Facular regions
JENAM 2004
Conclusions
facula
photosphere
pore
B (gauss)
2500
2000
1800
Freq (mHz)
3.5
3.3
3.3
3.5
ptp (km/s)
0.4
0.4
0.4
0.5
chromosphere
big sunspot small sunspot
B (gauss)
1700
1000
800
200
Freq (mHz)
6.0
5.0
7.0
3.5
ptp (km/s)
15
6
4
4
train
ocasional
rare
none
shocks
600
JENAM 2004