Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1553+113 (2026b, independent mode)

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

Right ascension: 238.9293501101292°
Declination: 11.1901017650700°
No. sessions: 5
No. delays: 427
Defining: No
RMS(α cos δ) = 0.6456 mas
RMS(δ) = 0.6709 mas
Variability ellipse semimajor axis = 0.9029 mas
Variability ellipse semiminor axis = 0.2272 mas
Variability ellipse position angle = 43.7 deg
Equivalent α-δ correlation = 0.88

Observed in only 5 session(s)

Quarterly time series for 1553+113 (2026b, 4 global solutions)

Data

Right ascension: 238.9293501134501°
Declination: 11.1901017133971°
No. sessions: 5
No. delays: 427
Defining: No
RMS(α cos δ) = 0.1392 mas
RMS(δ) = 0.2526 mas
Variability ellipse semimajor axis = 0.2604 mas
Variability ellipse semiminor axis = 0.1238 mas
Variability ellipse position angle = -16.1 deg
Equivalent α-δ correlation = -0.40

Observed in only 5 session(s)