Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1928+154 (2026b, independent mode)

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

Right ascension: 292.7198625123950°
Declination: 15.5428963858423°
No. sessions: 59
No. delays: 2367
Defining: No
RMS(α cos δ) = 5.2390 mas
RMS(δ) = 4.7297 mas
Variability ellipse semimajor axis = 6.6910 mas
Variability ellipse semiminor axis = 2.2466 mas
Variability ellipse position angle = -48.6 deg
Equivalent α-δ correlation = -0.79

Observed in only 59 session(s)

Quarterly time series for 1928+154 (2026b, 4 global solutions)

Data

Right ascension: 292.7198624573001°
Declination: 15.5428964579015°
No. sessions: 50
No. delays: 2340
Defining: No
RMS(α cos δ) = 0.1423 mas
RMS(δ) = 0.2235 mas
Variability ellipse semimajor axis = 0.2246 mas
Variability ellipse semiminor axis = 0.1405 mas
Variability ellipse position angle = 7.2 deg
Equivalent α-δ correlation = 0.12

Observed in only 50 session(s)