Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1331+512 (2026b, independent mode)

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

Right ascension: 203.4740995604286°
Declination: 50.9599767276181°
No. sessions: 7
No. delays: 511
Defining: No
RMS(α cos δ) = 0.4565 mas
RMS(δ) = 0.4086 mas
Variability ellipse semimajor axis = 0.4896 mas
Variability ellipse semiminor axis = 0.3682 mas
Variability ellipse position angle = 56.7 deg
Equivalent α-δ correlation = 0.26

Observed in only 7 session(s)

Quarterly time series for 1331+512 (2026b, 4 global solutions)

Data

Right ascension: 203.4740995686313°
Declination: 50.9599766371777°
No. sessions: 7
No. delays: 511
Defining: No
RMS(α cos δ) = 0.0910 mas
RMS(δ) = 0.1858 mas
Variability ellipse semimajor axis = 0.2010 mas
Variability ellipse semiminor axis = 0.0491 mas
Variability ellipse position angle = 23.1 deg
Equivalent α-δ correlation = 0.81

Observed in only 7 session(s)