Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1640+254 (independent mode)

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

Right ascension: 250.6683826786615°
Declination: 25.3854672968562°
No. sessions: 5
No. delays: 550
Defining: No
RMS(α cos δ) = 0.5518 mas
RMS(δ) = 0.3834 mas

Observed in only 5 session(s)

Quarterly time series for 1640+254

Data - Demeaned data

Right ascension: 250.6683826364396°
Declination: 25.3854672723470°
No. sessions: 5
No. delays: 550
Defining: No
RMS(α cos δ) = 0.1308 mas
RMS(δ) = 0.1540 mas

Observed in only 5 session(s)