Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1128+308 (2026b, independent mode)

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

Right ascension: 172.6767882248938°
Declination: 30.5264966364065°
No. sessions: 5
No. delays: 514
Defining: No
RMS(α cos δ) = 0.3638 mas
RMS(δ) = 0.4226 mas
Variability ellipse semimajor axis = 0.4325 mas
Variability ellipse semiminor axis = 0.3520 mas
Variability ellipse position angle = -21.4 deg
Equivalent α-δ correlation = -0.14

Observed in only 5 session(s)

Quarterly time series for 1128+308 (2026b, 4 global solutions)

Data

Right ascension: 172.6767883676249°
Declination: 30.5264965994815°
No. sessions: 5
No. delays: 514
Defining: No
RMS(α cos δ) = 0.1610 mas
RMS(δ) = 0.1603 mas
Variability ellipse semimajor axis = 0.2043 mas
Variability ellipse semiminor axis = 0.0994 mas
Variability ellipse position angle = 45.2 deg
Equivalent α-δ correlation = 0.62

Observed in only 5 session(s)