Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1011+250 (2026b, independent mode)

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

Right ascension: 153.4726199318313°
Declination: 24.8212335591097°
No. sessions: 28
No. delays: 1475
Defining: No
RMS(α cos δ) = 0.5590 mas
RMS(δ) = 0.5113 mas
Variability ellipse semimajor axis = 0.6626 mas
Variability ellipse semiminor axis = 0.3672 mas
Variability ellipse position angle = 49.8 deg
Equivalent α-δ correlation = 0.52

Observed in only 28 session(s)

Quarterly time series for 1011+250 (2026b, 4 global solutions)

Data

Right ascension: 153.4726198684239°
Declination: 24.8212335184703°
No. sessions: 21
No. delays: 1454
Defining: No
RMS(α cos δ) = 0.1609 mas
RMS(δ) = 0.1584 mas
Variability ellipse semimajor axis = 0.2108 mas
Variability ellipse semiminor axis = 0.0809 mas
Variability ellipse position angle = 45.5 deg
Equivalent α-δ correlation = 0.74

Observed in only 21 session(s)