Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1656+348 (2026b, independent mode)

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

Right ascension: 254.5059149602557°
Declination: 34.7245551679026°
No. sessions: 21
No. delays: 776
Defining: No
RMS(α cos δ) = 15.8659 mas
RMS(δ) = 28.4050 mas
Variability ellipse semimajor axis = 30.8073 mas
Variability ellipse semiminor axis = 10.4633 mas
Variability ellipse position angle = -24.3 deg
Equivalent α-δ correlation = -0.70

Observed in only 21 session(s)

Quarterly time series for 1656+348 (2026b, 4 global solutions)

Data

Right ascension: 254.5059133840876°
Declination: 34.7245561109568°
No. sessions: 20
No. delays: 773
Defining: No
RMS(α cos δ) = 0.2590 mas
RMS(δ) = 0.2642 mas
Variability ellipse semimajor axis = 0.3134 mas
Variability ellipse semiminor axis = 0.1966 mas
Variability ellipse position angle = -43.6 deg
Equivalent α-δ correlation = -0.43

Observed in only 20 session(s)