Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1901+319 (2026b, independent mode)

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

Right ascension: 285.7330788018265°
Declination: 31.9949172514583°
No. sessions: 88
No. delays: 3489
Defining: No
RMS(α cos δ) = 1.7608 mas
RMS(δ) = 5.4218 mas
Variability ellipse semimajor axis = 5.4287 mas
Variability ellipse semiminor axis = 1.7393 mas
Variability ellipse position angle = 3.0 deg
Equivalent α-δ correlation = 0.15

Observed in only 88 session(s)

Quarterly time series for 1901+319 (2026b, 4 global solutions)

Data

Right ascension: 285.7330787658079°
Declination: 31.9949171581314°
No. sessions: 84
No. delays: 3570
Defining: No
RMS(α cos δ) = 0.4429 mas
RMS(δ) = 0.4463 mas
Variability ellipse semimajor axis = 0.5061 mas
Variability ellipse semiminor axis = 0.3731 mas
Variability ellipse position angle = -44.2 deg
Equivalent α-δ correlation = -0.30

Observed in only 84 session(s)