Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1215+521 (2026b, independent mode)

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

Right ascension: 184.4027511824066°
Declination: 51.9195271520042°
No. sessions: 8
No. delays: 274
Defining: No
RMS(α cos δ) = 1.5587 mas
RMS(δ) = 0.5076 mas
Variability ellipse semimajor axis = 1.5687 mas
Variability ellipse semiminor axis = 0.4759 mas
Variability ellipse position angle = -83.2 deg
Equivalent α-δ correlation = -0.33

Observed in only 8 session(s)

Quarterly time series for 1215+521 (2026b, 4 global solutions)

Data

Right ascension: 184.4027510874758°
Declination: 51.9195270342015°
No. sessions: 8
No. delays: 274
Defining: No
RMS(α cos δ) = 0.9153 mas
RMS(δ) = 0.5365 mas
Variability ellipse semimajor axis = 0.9177 mas
Variability ellipse semiminor axis = 0.5324 mas
Variability ellipse position angle = -84.9 deg
Equivalent α-δ correlation = -0.10

Observed in only 8 session(s)