Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1535+231 (2026b, independent mode)

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

Right ascension: 234.3104202771896°
Declination: 23.0112531650500°
No. sessions: 9
No. delays: 538
Defining: No
RMS(α cos δ) = 0.4573 mas
RMS(δ) = 0.5531 mas
Variability ellipse semimajor axis = 0.5989 mas
Variability ellipse semiminor axis = 0.3954 mas
Variability ellipse position angle = -30.6 deg
Equivalent α-δ correlation = -0.35

Observed in only 9 session(s)

Quarterly time series for 1535+231 (2026b, 4 global solutions)

Data

Right ascension: 234.3104202646697°
Declination: 23.0112531639256°
No. sessions: 9
No. delays: 538
Defining: No
RMS(α cos δ) = 0.1995 mas
RMS(δ) = 0.2803 mas
Variability ellipse semimajor axis = 0.2806 mas
Variability ellipse semiminor axis = 0.1991 mas
Variability ellipse position angle = 3.7 deg
Equivalent α-δ correlation = 0.05

Observed in only 9 session(s)