Xylocaine (lidocaine) MPF is a sterile, nonpyrogenic, isotonic solution containing sodium chloride. Xylocaine (lidocaine) in multiple dose vials: Each mL also contains 1 mg methylparaben as antiseptic preservative.
The Bureau of Labor Statistics reports that there were about 1,240 astronomers in the U.S. in 2009. They earned a national average of about $49 per hour, or about $102,740 per year.
The worldwide community of professional astronomers is only about 10,000; most are located in the us (with about 1,000 in the UK and 250 in Australia).. From So You Want to Be an Astronomer by Duncan Forbes. Another source stated that the number of professional astronomers is about the size of a small town.