Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1651+391 (2026b, independent mode)

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

Right ascension: 253.2437899219135°
Declination: 39.0471728552546°
No. sessions: 102
No. delays: 6295
Defining: No
RMS(α cos δ) = 0.5106 mas
RMS(δ) = 0.3814 mas
Variability ellipse semimajor axis = 0.5279 mas
Variability ellipse semiminor axis = 0.3571 mas
Variability ellipse position angle = 69.8 deg
Equivalent α-δ correlation = 0.25

Quarterly time series for 1651+391 (2026b, 4 global solutions)

Data

Right ascension: 253.2437899538043°
Declination: 39.0471728324483°
No. sessions: 98
No. delays: 6283
Defining: No
RMS(α cos δ) = 0.1076 mas
RMS(δ) = 0.1524 mas
Variability ellipse semimajor axis = 0.1553 mas
Variability ellipse semiminor axis = 0.1034 mas
Variability ellipse position angle = -14.8 deg
Equivalent α-δ correlation = -0.20

Observed in only 98 session(s)