Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1908+484 (2026a, independent mode)

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

Right ascension: 287.4440112496338°
Declination: 48.5755055691467°
No. sessions: 58
No. delays: 1495
Defining: Yes
RMS(α cos δ) = 2.4369 mas
RMS(δ) = 3.9891 mas
Variability ellipse semimajor axis = 4.0634 mas
Variability ellipse semiminor axis = 2.3109 mas
Variability ellipse position angle = 13.3 deg
Equivalent α-δ correlation = 0.26

Quarterly time series for 1908+484 (2026a, 4 global solutions)

Data

Right ascension: 287.4440113384010°
Declination: 48.5755056050242°
No. sessions: 54
No. delays: 1462
Defining: Yes
RMS(α cos δ) = 0.4266 mas
RMS(δ) = 0.4215 mas
Variability ellipse semimajor axis = 0.4468 mas
Variability ellipse semiminor axis = 0.4000 mas
Variability ellipse position angle = 48.1 deg
Equivalent α-δ correlation = 0.11