Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1642+054 (2026b, independent mode)

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

Right ascension: 251.2336775996629°
Declination: 5.3102928656675°
No. sessions: 3
No. delays: 315
Defining: No
RMS(α cos δ) = 0.1790 mas
RMS(δ) = 0.6431 mas
Variability ellipse semimajor axis = 0.6732 mas
Variability ellipse semiminor axis = 0.0865 mas
Variability ellipse position angle = -17.0 deg
Equivalent α-δ correlation = -1.12

Observed in only 3 session(s)

Quarterly time series for 1642+054 (2026b, 4 global solutions)

Data

Right ascension: 251.2336776685188°
Declination: 5.3102928056845°
No. sessions: 3
No. delays: 315
Defining: No
RMS(α cos δ) = 0.1146 mas
RMS(δ) = 0.3772 mas
Variability ellipse semimajor axis = 0.3950 mas
Variability ellipse semiminor axis = 0.0251 mas
Variability ellipse position angle = -17.2 deg
Equivalent α-δ correlation = -1.03

Observed in only 3 session(s)