PROGRAM Welcome Dear Colleague, Welcome to Tucson and to "Building Community: The Emerging EPO Profession." On behalf of the Board of Directors, the staff, and the members of the Astronomical Society of the Pacific (ASP), I want to thank you for participating in this important international gathering of astronomy and space science education and outreach professionals. As you may know, the ASP has been holding annual meetings for 117 years. Since our founding in 1889 by Edward Holden, the first director of

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Zero Point and Colour Transformation Zeropoint Definition ffl Throughput is stable (LBB227 25/02/00 r39 vs 25/08/00 r131) ffl Throughput fudged using LBB 227 and BPM16274 measurement ffl Vega observation simulated ffl Simbad literature survey, average brightness / colour : -- m V = 0.03 -- BґV=0.00 -- UґB=0.005 ffl zero points fixed based on simulated Vega observation (cts/sec) -- U, B, V ...

183. http://www.atmob.org/newsletters/201603.pdf