Systematic Biases in Polar Field Measurement Partially Explain the Open Flux Problem

Xudong Sun, University of Hawaii at Manoa, Institute for Astronomy, Honolulu, United States, Ivan Milic, University of Colorado at Boulder, Boulder, CO, United States, Rebeca Centeno Elliott, High Altitude Observatory, Boulder, CO, United States, Milan Gosic, Lockheed Martin Solar & Astrophysics Laboratory, Palo Alto, CA, United States and Bryan Komei Yamashiro, University of Hawaii at Manoa, Institute for Astronomy, Honolulu, HI, United States