Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1622-253 (2026b, independent mode)

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

Right ascension: 246.4453826470258°
Declination: -25.4606384424081°
No. sessions: 2680
No. delays: 61814
Defining: No
RMS(α cos δ) = 101.7002 mas
RMS(δ) = 745.4741 mas
Variability ellipse semimajor axis = 755.0450 mas
Variability ellipse semiminor axis = 63.3905 mas
Variability ellipse position angle = 9.1 deg
Equivalent α-δ correlation = 1.18

Quarterly time series for 1622-253 (2026b, 4 global solutions)

Data

Right ascension: 246.4453818467744°
Declination: -25.4606463417530°
No. sessions: 2494
No. delays: 61300
Defining: No
RMS(α cos δ) = 0.3625 mas
RMS(δ) = 0.4288 mas
Variability ellipse semimajor axis = 0.4422 mas
Variability ellipse semiminor axis = 0.3460 mas
Variability ellipse position angle = -23.0 deg
Equivalent α-δ correlation = -0.18