Parameter

Value

Model

Reference

B ( r R ) for r > R

Model evaluation

PFSSa input to SFTMb

Instrument/Dataset

SOHO/MDI, SDO/HMI

Aschwanden/

Schatten/

Schrijver

R

7 × 105 km

Standard value

Photosphere distance to Sun center

R B t h 0

1.2R

CODETc

Rodríguez Gómez, 2017

B B t h 0

3.7700 G

CODET

Rodríguez Gómez, 2017

B s a t

4.1750 G

CODET

Rodríguez Gómez, 2017

ξ

1.2520

CODET-new parameters

This work

N o

2.9500 × 108 e/cm3

CODET-new parameters

This work

α

−1.4938

CODET-new parameters

This work

T o

1.6600 × 106 K

CODET-new parameters

This work

f t ( cadence )

1/24hrs

CODET

Rodríguez Gómez, 2017