Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0821+621 (2026b, independent mode)

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

Right ascension: 126.4108840237479°
Declination: 61.9579387008020°
No. sessions: 20
No. delays: 1182
Defining: No
RMS(α cos δ) = 0.8411 mas
RMS(δ) = 0.8352 mas
Variability ellipse semimajor axis = 0.9402 mas
Variability ellipse semiminor axis = 0.7217 mas
Variability ellipse position angle = 45.7 deg
Equivalent α-δ correlation = 0.26

Observed in only 20 session(s)

Quarterly time series for 0821+621 (2026b, 4 global solutions)

Data

Right ascension: 126.4108841066375°
Declination: 61.9579387028112°
No. sessions: 20
No. delays: 1182
Defining: No
RMS(α cos δ) = 0.2651 mas
RMS(δ) = 0.1532 mas
Variability ellipse semimajor axis = 0.2745 mas
Variability ellipse semiminor axis = 0.1355 mas
Variability ellipse position angle = 72.5 deg
Equivalent α-δ correlation = 0.40

Observed in only 20 session(s)