Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1221+071 (2026b, independent mode)

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

Right ascension: 185.9776012998077°
Declination: 6.8340478384251°
No. sessions: 7
No. delays: 502
Defining: No
RMS(α cos δ) = 0.1801 mas
RMS(δ) = 0.3360 mas
Variability ellipse semimajor axis = 0.3395 mas
Variability ellipse semiminor axis = 0.1736 mas
Variability ellipse position angle = 9.4 deg
Equivalent α-δ correlation = 0.23

Observed in only 7 session(s)

Quarterly time series for 1221+071 (2026b, 4 global solutions)

Data

Right ascension: 185.9776012916593°
Declination: 6.8340478316326°
No. sessions: 7
No. delays: 502
Defining: No
RMS(α cos δ) = 0.1726 mas
RMS(δ) = 0.2740 mas
Variability ellipse semimajor axis = 0.2753 mas
Variability ellipse semiminor axis = 0.1705 mas
Variability ellipse position angle = -7.1 deg
Equivalent α-δ correlation = -0.12

Observed in only 7 session(s)