Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0830+687 (2026b, independent mode)

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

Right ascension: 128.9483696956105°
Declination: 68.5865248940423°
No. sessions: 5
No. delays: 392
Defining: No
RMS(α cos δ) = 1.0254 mas
RMS(δ) = 0.5525 mas
Variability ellipse semimajor axis = 1.0835 mas
Variability ellipse semiminor axis = 0.4274 mas
Variability ellipse position angle = 69.4 deg
Equivalent α-δ correlation = 0.58

Observed in only 5 session(s)

Quarterly time series for 0830+687 (2026b, 4 global solutions)

Data

Right ascension: 128.9483699432645°
Declination: 68.5865250923078°
No. sessions: 5
No. delays: 392
Defining: No
RMS(α cos δ) = 0.2305 mas
RMS(δ) = 0.2129 mas
Variability ellipse semimajor axis = 0.3015 mas
Variability ellipse semiminor axis = 0.0870 mas
Variability ellipse position angle = 47.6 deg
Equivalent α-δ correlation = 0.85

Observed in only 5 session(s)