Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1642+690 (independent mode)

Data - Demeaned data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 250.5327021523908°
Declination: 68.9443767570434°
No. sessions: 245
No. delays: 20853
Defining: Yes
RMS(α cos δ) = 5.8293 mas
RMS(δ) = 5.3894 mas

Quarterly time series for 1642+690

Data - Demeaned data

Right ascension: 250.5327021277615°
Declination: 68.9443767707098°
No. sessions: 233
No. delays: 19943
Defining: Yes
RMS(α cos δ) = 0.1350 mas
RMS(δ) = 0.1935 mas