Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 250.5913636780893°
Declination: 66.9304142568834°
No. sessions: 7
No. delays: 260
Defining: No
RMS(α cos δ) = 1.3063 mas
RMS(δ) = 0.7319 mas
Variability ellipse semimajor axis = 1.3117 mas
Variability ellipse semiminor axis = 0.7222 mas
Variability ellipse position angle = 83.7 deg
Equivalent α-δ correlation = 0.14

Observed in only 7 session(s)

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

Data

Right ascension: 250.5913635558433°
Declination: 66.9304142946875°
No. sessions: 7
No. delays: 260
Defining: No
RMS(α cos δ) = 1.1921 mas
RMS(δ) = 0.6988 mas
Variability ellipse semimajor axis = 1.1931 mas
Variability ellipse semiminor axis = 0.6971 mas
Variability ellipse position angle = 87.0 deg
Equivalent α-δ correlation = 0.06

Observed in only 7 session(s)