<Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1221+405 (2026a, independent mode)

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

Right ascension: 186.1009763891725°
Declination: 40.2529088557427°
No. sessions: 6
No. delays: 264
Defining: No
RMS(α cos δ) = 1.2613 mas
RMS(δ) = 1.2722 mas

Observed in only 6 session(s)

Quarterly time series for 1221+405 (2026a, 4 global solutions)

Data

Right ascension: 186.1009765645006°
Declination: 40.2529087149833°
No. sessions: 6
No. delays: 264
Defining: No
RMS(α cos δ) = 0.5625 mas
RMS(δ) = 0.5240 mas

Observed in only 6 session(s)