Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1642+670 (2026b, independent mode)

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

Right ascension: 250.5913636754682°
Declination: 66.9304142568021°
No. sessions: 7
No. delays: 260
Defining: No
RMS(α cos δ) = 1.3056 mas
RMS(δ) = 0.7334 mas
Variability ellipse semimajor axis = 1.3110 mas
Variability ellipse semiminor axis = 0.7239 mas
Variability ellipse position angle = 83.7 deg
Equivalent α-δ correlation = 0.13

Observed in only 7 session(s)

Quarterly time series for 1642+670 (2026b, 4 global solutions)

Data

Right ascension: 250.5913635262469°
Declination: 66.9304142668388°
No. sessions: 7
No. delays: 260
Defining: No
RMS(α cos δ) = 1.1949 mas
RMS(δ) = 0.7117 mas
Variability ellipse semimajor axis = 1.1954 mas
Variability ellipse semiminor axis = 0.7108 mas
Variability ellipse position angle = -87.8 deg
Equivalent α-δ correlation = -0.04

Observed in only 7 session(s)