Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1308+328 (2026a, independent mode)

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

Right ascension: 197.7475127883256°
Declination: 32.5595699452649°
No. sessions: 520
No. delays: 31844
Defining: Yes
RMS(α cos δ) = 143.7783 mas
RMS(δ) = 73.8386 mas
Variability ellipse semimajor axis = 170.0742 mas
Variability ellipse semiminor axis = 52.9236 mas
Variability ellipse position angle = 59.3 deg
Equivalent α-δ correlation = 1.31

Quarterly time series for 1308+328 (2026a, 4 global solutions)

Data

Right ascension: 197.7475113920035°
Declination: 32.5595693229483°
No. sessions: 497
No. delays: 31675
Defining: Yes
RMS(α cos δ) = 0.1528 mas
RMS(δ) = 0.1438 mas
Variability ellipse semimajor axis = 0.1553 mas
Variability ellipse semiminor axis = 0.1411 mas
Variability ellipse position angle = -64.7 deg
Equivalent α-δ correlation = -0.07