Senior Housing Properties Trust, a Newton-based REIT, recorded net income of $24.6 million in the second quarter, compared to $30.5 million for the same period last year.

That income includes a loss of $2.4 million for early redemption of the REIT’s senior notes due 2015. Income for the quarter also included an impairment charge of $1.1 million related to five properties.

Income for the first six months of 2010 was $54.5 million, compared to $62 million for the same period in 2009.

In other quarterly highlights, the firm acquired a medical office building in Colorado in April for about $4.5 million, funding the sale with cash on hand and assuming a mortgage for $2.5 million with an interest rate of 6.73 percent per year. In June, Senior Housing Properties bought another medical office property in Texas for about $12.2 million, funded using cash on hand.