Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1928+770 (2026b, independent mode)

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

Right ascension: 291.6299629800121°
Declination: 77.1087489576416°
No. sessions: 5
No. delays: 459
Defining: No
RMS(α cos δ) = 0.5331 mas
RMS(δ) = 0.2840 mas
Variability ellipse semimajor axis = 0.5798 mas
Variability ellipse semiminor axis = 0.1692 mas
Variability ellipse position angle = -65.7 deg
Equivalent α-δ correlation = -0.76

Observed in only 5 session(s)

Quarterly time series for 1928+770 (2026b, 4 global solutions)

Data

Right ascension: 291.6299630616311°
Declination: 77.1087490261990°
No. sessions: 5
No. delays: 459
Defining: No
RMS(α cos δ) = 0.3251 mas
RMS(δ) = 0.2372 mas
Variability ellipse semimajor axis = 0.3668 mas
Variability ellipse semiminor axis = 0.1656 mas
Variability ellipse position angle = -58.7 deg
Equivalent α-δ correlation = -0.62

Observed in only 5 session(s)