Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1023+131 (2026b, independent mode)

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

Right ascension: 156.4845223665699°
Declination: 12.8969504311522°
No. sessions: 58
No. delays: 1510
Defining: No
RMS(α cos δ) = 0.9517 mas
RMS(δ) = 4.3909 mas
Variability ellipse semimajor axis = 4.4125 mas
Variability ellipse semiminor axis = 0.8461 mas
Variability ellipse position angle = 5.7 deg
Equivalent α-δ correlation = 0.45

Observed in only 58 session(s)

Quarterly time series for 1023+131 (2026b, 4 global solutions)

Data

Right ascension: 156.4845223869814°
Declination: 12.8969505329204°
No. sessions: 48
No. delays: 1480
Defining: No
RMS(α cos δ) = 0.2949 mas
RMS(δ) = 0.3927 mas
Variability ellipse semimajor axis = 0.4486 mas
Variability ellipse semiminor axis = 0.1998 mas
Variability ellipse position angle = -32.6 deg
Equivalent α-δ correlation = -0.63

Observed in only 48 session(s)