Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1621+392 (2026b, independent mode)

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

Right ascension: 245.7817599851282°
Declination: 39.1590029898461°
No. sessions: 5
No. delays: 415
Defining: No
RMS(α cos δ) = 0.5541 mas
RMS(δ) = 0.2515 mas
Variability ellipse semimajor axis = 0.5646 mas
Variability ellipse semiminor axis = 0.2271 mas
Variability ellipse position angle = -77.9 deg
Equivalent α-δ correlation = -0.39

Observed in only 5 session(s)

Quarterly time series for 1621+392 (2026b, 4 global solutions)

Data

Right ascension: 245.7817600426573°
Declination: 39.1590029773748°
No. sessions: 5
No. delays: 415
Defining: No
RMS(α cos δ) = 0.3225 mas
RMS(δ) = 0.3080 mas
Variability ellipse semimajor axis = 0.4132 mas
Variability ellipse semiminor axis = 0.1680 mas
Variability ellipse position angle = -46.8 deg
Equivalent α-δ correlation = -0.72

Observed in only 5 session(s)