Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1821+107 (2025b, independent mode)

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

Right ascension: 276.0118969069912°
Declination: 10.7399371964642°
No. sessions: 121
No. delays: 4145
Defining: No
RMS(α cos δ) = 3.3811 mas
RMS(δ) = 7.2171 mas

Quarterly time series for 1821+107 (2025b, 4 global solutions)

Data

Right ascension: 276.0118968812925°
Declination: 10.7399372199275°
No. sessions: 99
No. delays: 2577
Defining: No
RMS(α cos δ) = 0.2342 mas
RMS(δ) = 0.4180 mas

Observed in only 99 session(s)