07/02/06

STATUS OF G70 OBSERVATION RESIDUALS:

==================================================

PEER CHECK, LISTED IN ORDER OF LOWEST "RESULTANT":

OBS CODE     RMS:RA     RMS:DEC     "RESULTANT"

620           0.456      0.389         0.599

G70           0.441      0.504         0.670

J95           0.465      0.592         0.753

670           0.590      0.533         0.795

J87           0.619      0.895         1.088

==================================================

PROFESSIONAL OBSERVATORIES

OBS CODE     RMS:RA     RMS:DEC     "RESULTANT"

673           0.551      0.775         0.951

926           0.439      0.353         0.563      

==================================================

PLEASE NOTE THE FOLLOWING:

1) This page is presented for the sole purpose of monitoring observatory G70's residual performance, to the end that any systematic error at G70 may be identified as soon as possible.

2) All data have been extracted from the NEODyS database; the same observations processed by a different group or institution may yield different residual values.

3) Data used for G70 and other observatories are the 200 entries from the last "full" 200-entry NEODyS Optical Observations web page for each observatory, as of 2004.07.13.

4) The "Resultant" figure has been calculated as  follows:  RESULTANT=SQRT((RMS:RA**2)+(RMS:DEC**2)); this number does not have a strictly defined geometric or statistical meaning in this situation, but is used as a convenient way to combine the RMS:RA and RMS:DEC values into a single figure with at least an intuitive indication of overall magnitude.