Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1909+479 (2026a, independent mode)

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

Right ascension: 287.6424788782124°
Declination: 48.0366183713243°
No. sessions: 7
No. delays: 540
Defining: No
RMS(α cos δ) = 0.1799 mas
RMS(δ) = 0.5555 mas
Variability ellipse semimajor axis = 0.5733 mas
Variability ellipse semiminor axis = 0.1109 mas
Variability ellipse position angle = 14.5 deg
Equivalent α-δ correlation = 0.77

Observed in only 7 session(s)

Quarterly time series for 1909+479 (2026a, 4 global solutions)

Data

Right ascension: 287.6424789543084°
Declination: 48.0366182862173°
No. sessions: 7
No. delays: 540
Defining: No
RMS(α cos δ) = 0.2350 mas
RMS(δ) = 0.3465 mas
Variability ellipse semimajor axis = 0.4061 mas
Variability ellipse semiminor axis = 0.1020 mas
Variability ellipse position angle = 32.5 deg
Equivalent α-δ correlation = 0.86

Observed in only 7 session(s)