Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 128.9483696939540°
Declination: 68.5865248945969°
No. sessions: 5
No. delays: 392
Defining: No
RMS(α cos δ) = 1.0268 mas
RMS(δ) = 0.5524 mas
Variability ellipse semimajor axis = 1.0846 mas
Variability ellipse semiminor axis = 0.4279 mas
Variability ellipse position angle = 69.4 deg
Equivalent α-δ correlation = 0.57

Observed in only 5 session(s)

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

Data

Right ascension: 128.9483699523177°
Declination: 68.5865250998591°
No. sessions: 5
No. delays: 392
Defining: No
RMS(α cos δ) = 0.2435 mas
RMS(δ) = 0.1751 mas
Variability ellipse semimajor axis = 0.2825 mas
Variability ellipse semiminor axis = 0.1006 mas
Variability ellipse position angle = 57.1 deg
Equivalent α-δ correlation = 0.75

Observed in only 5 session(s)