Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1221+503 (2025b, independent mode)

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

Right ascension: 186.0413273673895°
Declination: 50.0320784526046°
No. sessions: 7
No. delays: 483
Defining: No
RMS(α cos δ) = 0.8599 mas
RMS(δ) = 0.4341 mas

Observed in only 7 session(s)

Quarterly time series for 1221+503 (2025b, 4 global solutions)

Data

Right ascension: 186.0413274832176°
Declination: 50.0320785132696°
No. sessions: 7
No. delays: 483
Defining: No
RMS(α cos δ) = 0.5138 mas
RMS(δ) = 0.2876 mas

Observed in only 7 session(s)