Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1721+589 (2026b, independent mode)

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

Right ascension: 260.6530283677970°
Declination: 58.9395171623429°
No. sessions: 8
No. delays: 698
Defining: No
RMS(α cos δ) = 7.3865 mas
RMS(δ) = 3.6011 mas
Variability ellipse semimajor axis = 8.0753 mas
Variability ellipse semiminor axis = 1.5227 mas
Variability ellipse position angle = 65.7 deg
Equivalent α-δ correlation = 0.89

Observed in only 8 session(s)

Quarterly time series for 1721+589 (2026b, 4 global solutions)

Data

Right ascension: 260.6530275184709°
Declination: 58.9395168490751°
No. sessions: 8
No. delays: 698
Defining: No
RMS(α cos δ) = 0.1619 mas
RMS(δ) = 0.1335 mas
Variability ellipse semimajor axis = 0.1895 mas
Variability ellipse semiminor axis = 0.0902 mas
Variability ellipse position angle = -53.7 deg
Equivalent α-δ correlation = -0.61

Observed in only 8 session(s)