Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1421+511 (2026b, independent mode)

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

Right ascension: 215.8091102142537°
Declination: 50.9270241839422°
No. sessions: 5
No. delays: 440
Defining: No
RMS(α cos δ) = 0.2753 mas
RMS(δ) = 1.0095 mas
Variability ellipse semimajor axis = 1.0337 mas
Variability ellipse semiminor axis = 0.1622 mas
Variability ellipse position angle = 12.5 deg
Equivalent α-δ correlation = 0.80

Observed in only 5 session(s)

Quarterly time series for 1421+511 (2026b, 4 global solutions)

Data

Right ascension: 215.8091098666880°
Declination: 50.9270240006219°
No. sessions: 5
No. delays: 440
Defining: No
RMS(α cos δ) = 0.1716 mas
RMS(δ) = 0.2164 mas
Variability ellipse semimajor axis = 0.2557 mas
Variability ellipse semiminor axis = 0.1044 mas
Variability ellipse position angle = -35.7 deg
Equivalent α-δ correlation = -0.70

Observed in only 5 session(s)