Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1541+189 (2026b, independent mode)

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

Right ascension: 235.9325189271925°
Declination: 18.7888266299327°
No. sessions: 6
No. delays: 381
Defining: No
RMS(α cos δ) = 0.6270 mas
RMS(δ) = 0.8221 mas
Variability ellipse semimajor axis = 0.8871 mas
Variability ellipse semiminor axis = 0.5310 mas
Variability ellipse position angle = 27.9 deg
Equivalent α-δ correlation = 0.41

Observed in only 6 session(s)

Quarterly time series for 1541+189 (2026b, 4 global solutions)

Data

Right ascension: 235.9325189236947°
Declination: 18.7888265481993°
No. sessions: 6
No. delays: 381
Defining: No
RMS(α cos δ) = 0.2037 mas
RMS(δ) = 0.5503 mas
Variability ellipse semimajor axis = 0.5909 mas
Variability ellipse semiminor axis = 0.0695 mas
Variability ellipse position angle = -21.2 deg
Equivalent α-δ correlation = -1.06

Observed in only 6 session(s)