Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1954+187 (2026b, independent mode)

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

Right ascension: 299.1284025261558°
Declination: 18.9339252875421°
No. sessions: 8
No. delays: 133
Defining: No
RMS(α cos δ) = 21.2515 mas
RMS(δ) = 10.0956 mas
Variability ellipse semimajor axis = 23.8361 mas
Variability ellipse semiminor axis = 3.8230 mas
Variability ellipse position angle = -63.4 deg
Equivalent α-δ correlation = -1.09

Observed in only 8 session(s)

Quarterly time series for 1954+187 (2026b, 4 global solutions)

Data

Right ascension: 299.1284015090028°
Declination: 18.9339257098200°
No. sessions: 8
No. delays: 133
Defining: No
RMS(α cos δ) = 3.4613 mas
RMS(δ) = 4.5989 mas
Variability ellipse semimajor axis = 4.8375 mas
Variability ellipse semiminor axis = 3.1191 mas
Variability ellipse position angle = 23.9 deg
Equivalent α-δ correlation = 0.32

Observed in only 8 session(s)