Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1851+331 (2026b, independent mode)

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

Right ascension: 283.3616131860129°
Declination: 33.1822594714393°
No. sessions: 6
No. delays: 495
Defining: No
RMS(α cos δ) = 0.7298 mas
RMS(δ) = 0.8089 mas
Variability ellipse semimajor axis = 1.0745 mas
Variability ellipse semiminor axis = 0.1801 mas
Variability ellipse position angle = -41.8 deg
Equivalent α-δ correlation = -0.94

Observed in only 6 session(s)

Quarterly time series for 1851+331 (2026b, 4 global solutions)

Data

Right ascension: 283.3616131590395°
Declination: 33.1822594623659°
No. sessions: 6
No. delays: 495
Defining: No
RMS(α cos δ) = 0.2330 mas
RMS(δ) = 0.2703 mas
Variability ellipse semimajor axis = 0.3549 mas
Variability ellipse semiminor axis = 0.0378 mas
Variability ellipse position angle = -40.6 deg
Equivalent α-δ correlation = -0.98

Observed in only 6 session(s)