Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1204+281 (2026b, independent mode)

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

Right ascension: 181.8662518580953°
Declination: 27.9163471446695°
No. sessions: 5
No. delays: 397
Defining: No
RMS(α cos δ) = 0.2702 mas
RMS(δ) = 0.2331 mas
Variability ellipse semimajor axis = 0.2969 mas
Variability ellipse semiminor axis = 0.1980 mas
Variability ellipse position angle = -56.2 deg
Equivalent α-δ correlation = -0.36

Observed in only 5 session(s)

Quarterly time series for 1204+281 (2026b, 4 global solutions)

Data

Right ascension: 181.8662519381586°
Declination: 27.9163470864431°
No. sessions: 5
No. delays: 397
Defining: No
RMS(α cos δ) = 0.1417 mas
RMS(δ) = 0.1806 mas
Variability ellipse semimajor axis = 0.1986 mas
Variability ellipse semiminor axis = 0.1152 mas
Variability ellipse position angle = 30.6 deg
Equivalent α-δ correlation = 0.45

Observed in only 5 session(s)