Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1957+386 (2026b, independent mode)

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

Right ascension: 299.8418303628408°
Declination: 38.7817126318933°
No. sessions: 5
No. delays: 422
Defining: No
RMS(α cos δ) = 0.8686 mas
RMS(δ) = 1.1377 mas
Variability ellipse semimajor axis = 1.3855 mas
Variability ellipse semiminor axis = 0.3597 mas
Variability ellipse position angle = 36.2 deg
Equivalent α-δ correlation = 0.86

Observed in only 5 session(s)

Quarterly time series for 1957+386 (2026b, 4 global solutions)

Data

Right ascension: 299.8418304312925°
Declination: 38.7817126983423°
No. sessions: 5
No. delays: 422
Defining: No
RMS(α cos δ) = 0.2908 mas
RMS(δ) = 0.2009 mas
Variability ellipse semimajor axis = 0.3260 mas
Variability ellipse semiminor axis = 0.1365 mas
Variability ellipse position angle = -60.1 deg
Equivalent α-δ correlation = -0.65

Observed in only 5 session(s)