Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1728+774 (2026b, independent mode)

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

Right ascension: 261.4610337840065°
Declination: 77.4399375205107°
No. sessions: 6
No. delays: 274
Defining: No
RMS(α cos δ) = 12.9496 mas
RMS(δ) = 26.9114 mas
Variability ellipse semimajor axis = 29.4951 mas
Variability ellipse semiminor axis = 4.6857 mas
Variability ellipse position angle = 24.4 deg
Equivalent α-δ correlation = 0.92

Observed in only 6 session(s)

Quarterly time series for 1728+774 (2026b, 4 global solutions)

Data

Right ascension: 261.4610324422988°
Declination: 77.4399369485784°
No. sessions: 6
No. delays: 274
Defining: No
RMS(α cos δ) = 1.0164 mas
RMS(δ) = 1.7578 mas
Variability ellipse semimajor axis = 1.8632 mas
Variability ellipse semiminor axis = 0.8071 mas
Variability ellipse position angle = -21.5 deg
Equivalent α-δ correlation = -0.54

Observed in only 6 session(s)