Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1221+509 (2025c, independent mode)

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

Right ascension: 185.9298703840110°
Declination: 50.6315035982962°
No. sessions: 5
No. delays: 528
Defining: No
RMS(α cos δ) = 6.7254 mas
RMS(δ) = 0.5942 mas

Observed in only 5 session(s)

Quarterly time series for 1221+509 (2025c, 4 global solutions)

Data

Right ascension: 185.9298715604745°
Declination: 50.6315035710193°
No. sessions: 5
No. delays: 528
Defining: No
RMS(α cos δ) = 0.1299 mas
RMS(δ) = 0.2511 mas

Observed in only 5 session(s)