Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 181.8662518590203°
Declination: 27.9163471498503°
No. sessions: 5
No. delays: 397
Defining: No
RMS(α cos δ) = 0.2683 mas
RMS(δ) = 0.2237 mas
Variability ellipse semimajor axis = 0.3016 mas
Variability ellipse semiminor axis = 0.1761 mas
Variability ellipse position angle = -55.7 deg
Equivalent α-δ correlation = -0.46

Observed in only 5 session(s)

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

Data

Right ascension: 181.8662519365747°
Declination: 27.9163470929958°
No. sessions: 5
No. delays: 397
Defining: No
RMS(α cos δ) = 0.1324 mas
RMS(δ) = 0.1659 mas
Variability ellipse semimajor axis = 0.1968 mas
Variability ellipse semiminor axis = 0.0796 mas
Variability ellipse position angle = 36.0 deg
Equivalent α-δ correlation = 0.70

Observed in only 5 session(s)