Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1215+303 (2026b, independent mode)

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

Right ascension: 184.4670081421678°
Declination: 30.1168433549043°
No. sessions: 87
No. delays: 4417
Defining: No
RMS(α cos δ) = 0.8888 mas
RMS(δ) = 1.1739 mas
Variability ellipse semimajor axis = 1.1868 mas
Variability ellipse semiminor axis = 0.8716 mas
Variability ellipse position angle = 12.4 deg
Equivalent α-δ correlation = 0.13

Observed in only 87 session(s)

Quarterly time series for 1215+303 (2026b, 4 global solutions)

Data

Right ascension: 184.4670082096746°
Declination: 30.1168433055090°
No. sessions: 84
No. delays: 4408
Defining: No
RMS(α cos δ) = 0.1734 mas
RMS(δ) = 0.1826 mas
Variability ellipse semimajor axis = 0.2010 mas
Variability ellipse semiminor axis = 0.1517 mas
Variability ellipse position angle = -39.5 deg
Equivalent α-δ correlation = -0.27

Observed in only 84 session(s)