24 citations · 33 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2010★ 24 cited
Astrometric jitter of the sun as a star
V. V. Makarov, D. Parker, R. K. Ulrich
The daily variation of the solar photocenter over some 11 years is derived from the Mount Wilson data reprocessed by Ulrich et al. 2010 to closely match the surface distribution of…
astro-ph.SR2009★ 9 cited
Modeling Total Solar Irradiance Variations Using Automated Classification Software On Mount Wilson Data
R. K. Ulrich, D. Parker, L. Bertello +1
We present results using the AutoClass analysis application available at NASA/Ames Intelligent Systems Div. (2002) which is a Bayesian, finite mixture model classification system d…