Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1523-172 (2026b, independent mode)

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

Right ascension: 231.6046579475674°
Declination: -17.4327456488636°
No. sessions: 8
No. delays: 537
Defining: No
RMS(α cos δ) = 0.5878 mas
RMS(δ) = 1.2197 mas
Variability ellipse semimajor axis = 1.2450 mas
Variability ellipse semiminor axis = 0.5320 mas
Variability ellipse position angle = 12.8 deg
Equivalent α-δ correlation = 0.38

Observed in only 8 session(s)

Quarterly time series for 1523-172 (2026b, 4 global solutions)

Data

Right ascension: 231.6046579660022°
Declination: -17.4327456010284°
No. sessions: 8
No. delays: 537
Defining: No
RMS(α cos δ) = 0.3645 mas
RMS(δ) = 0.4771 mas
Variability ellipse semimajor axis = 0.4840 mas
Variability ellipse semiminor axis = 0.3553 mas
Variability ellipse position angle = -14.3 deg
Equivalent α-δ correlation = -0.15

Observed in only 8 session(s)