Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1204+399 (2026b, independent mode)

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

Right ascension: 181.6543894289317°
Declination: 39.6843739047843°
No. sessions: 26
No. delays: 945
Defining: No
RMS(α cos δ) = 15.3332 mas
RMS(δ) = 9.0392 mas
Variability ellipse semimajor axis = 19.1880 mas
Variability ellipse semiminor axis = 7.1670 mas
Variability ellipse position angle = -55.7 deg
Equivalent α-δ correlation = -1.41

Observed in only 26 session(s)

Quarterly time series for 1204+399 (2026b, 4 global solutions)

Data

Right ascension: 181.6543890841496°
Declination: 39.6843741970807°
No. sessions: 20
No. delays: 927
Defining: No
RMS(α cos δ) = 0.1935 mas
RMS(δ) = 0.2844 mas
Variability ellipse semimajor axis = 0.2845 mas
Variability ellipse semiminor axis = 0.1933 mas
Variability ellipse position angle = -2.4 deg
Equivalent α-δ correlation = -0.03

Observed in only 20 session(s)