“The Solar X-ray Limb II,” by Marina Battaglia and Hugh Hudson. X-raying the mass distribution at the limb of the sun: the true solar radius.

See
http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets

listing the current series, 2008-present, and

http://sprg.ssl.berkeley.edu/~tohban/nuggets/

for the original series, 2005-2008.

We publish these at roughly two-week intervals and welcome contributions,
which should be related, at least loosely, to RHESSI science.

http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/The_Solar_X-ray_Limb_II