Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2149-307 (2026a, independent mode)

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

Right ascension: 327.9813498023310°
Declination: -30.4649161682700°
No. sessions: 215
No. delays: 12128
Defining: No
RMS(α cos δ) = 2.9047 mas
RMS(δ) = 2.8975 mas
Variability ellipse semimajor axis = 3.8082 mas
Variability ellipse semiminor axis = 1.5265 mas
Variability ellipse position angle = 45.0 deg
Equivalent α-δ correlation = 0.72

Quarterly time series for 2149-307 (2026a, 4 global solutions)

Data

Right ascension: 327.9813498614927°
Declination: -30.4649161307138°
No. sessions: 201
No. delays: 12000
Defining: No
RMS(α cos δ) = 0.2115 mas
RMS(δ) = 0.2989 mas
Variability ellipse semimajor axis = 0.3010 mas
Variability ellipse semiminor axis = 0.2085 mas
Variability ellipse position angle = 9.4 deg
Equivalent α-δ correlation = 0.12