Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1642+256 (2026b, independent mode)

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

Right ascension: 251.2460866028023°
Declination: 25.6084967518769°
No. sessions: 5
No. delays: 536
Defining: No
RMS(α cos δ) = 0.2346 mas
RMS(δ) = 0.3156 mas
Variability ellipse semimajor axis = 0.3157 mas
Variability ellipse semiminor axis = 0.2344 mas
Variability ellipse position angle = 2.1 deg
Equivalent α-δ correlation = 0.02

Observed in only 5 session(s)

Quarterly time series for 1642+256 (2026b, 4 global solutions)

Data

Right ascension: 251.2460866524435°
Declination: 25.6084966985187°
No. sessions: 5
No. delays: 536
Defining: No
RMS(α cos δ) = 0.1261 mas
RMS(δ) = 0.1237 mas
Variability ellipse semimajor axis = 0.1501 mas
Variability ellipse semiminor axis = 0.0931 mas
Variability ellipse position angle = 46.2 deg
Equivalent α-δ correlation = 0.44

Observed in only 5 session(s)