Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1842+681 (2026b, independent mode)

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

Right ascension: 280.6402329831374°
Declination: 68.1570333529748°
No. sessions: 156
No. delays: 10734
Defining: No
RMS(α cos δ) = 1186.2575 mas
RMS(δ) = 1150.7336 mas
Variability ellipse semimajor axis = 1605.2253 mas
Variability ellipse semiminor axis = 393.2510 mas
Variability ellipse position angle = 45.9 deg
Equivalent α-δ correlation = 0.89

Quarterly time series for 1842+681 (2026b, 4 global solutions)

Data

Right ascension: 280.6401737373658°
Declination: 68.1570077055923°
No. sessions: 154
No. delays: 10728
Defining: No
RMS(α cos δ) = 0.1534 mas
RMS(δ) = 0.2118 mas
Variability ellipse semimajor axis = 0.2149 mas
Variability ellipse semiminor axis = 0.1491 mas
Variability ellipse position angle = -13.5 deg
Equivalent α-δ correlation = -0.17