Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1303+557 (2026b, independent mode)

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

Right ascension: 196.5139625349724°
Declination: 55.4955158162236°
No. sessions: 5
No. delays: 527
Defining: No
RMS(α cos δ) = 0.9115 mas
RMS(δ) = 0.2222 mas
Variability ellipse semimajor axis = 0.9115 mas
Variability ellipse semiminor axis = 0.2221 mas
Variability ellipse position angle = 89.5 deg
Equivalent α-δ correlation = 0.03

Observed in only 5 session(s)

Quarterly time series for 1303+557 (2026b, 4 global solutions)

Data

Right ascension: 196.5139629959377°
Declination: 55.4955157807095°
No. sessions: 5
No. delays: 527
Defining: No
RMS(α cos δ) = 0.1269 mas
RMS(δ) = 0.1550 mas
Variability ellipse semimajor axis = 0.1673 mas
Variability ellipse semiminor axis = 0.1103 mas
Variability ellipse position angle = -29.9 deg
Equivalent α-δ correlation = -0.35

Observed in only 5 session(s)