SIMBAD references

On CBETs 621 and 623, J. Frieman reports the discovery details for 18 supernovae on behalf of the Sloan Digital Sky Survey II collaboration. All the new objects are at g magnitude 20 or fainter except for 2006ez (predicted to reach mag 19.3 in mid- Sept.), 2006fd (reported at mag 19.4 on Aug. 27), and 2006fg (at mag 19.1 on Aug. 28). All are type-Ia events except for two type- II supernovae (2006ez and 2006fg) and 2006fe (whose type was not yet determined).