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: 250.6683826906233°
Declination: 25.3854673245146°
No. sessions: 5
No. delays: 550
Defining: No
RMS(α cos δ) = 0.5919 mas
RMS(δ) = 0.4212 mas

Observed in only 5 session(s)

Quarterly time series for 1640+254

Data - Demeaned data

Right ascension: 250.6683826616401°
Declination: 25.3854673159290°
No. sessions: 4
No. delays: 469
Defining: No
RMS(α cos δ) = 0.1232 mas
RMS(δ) = 0.1623 mas

Observed in only 4 session(s)