Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1308+172 (2026b, independent mode)

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

Right ascension: 197.8492517587827°
Declination: 16.9789430900771°
No. sessions: 6
No. delays: 384
Defining: No
RMS(α cos δ) = 13.8121 mas
RMS(δ) = 1.3662 mas
Variability ellipse semimajor axis = 13.8727 mas
Variability ellipse semiminor axis = 0.4339 mas
Variability ellipse position angle = -84.6 deg
Equivalent α-δ correlation = -0.95

Observed in only 6 session(s)

Quarterly time series for 1308+172 (2026b, 4 global solutions)

Data

Right ascension: 197.8492499519176°
Declination: 16.9789431615470°
No. sessions: 6
No. delays: 384
Defining: No
RMS(α cos δ) = 0.1705 mas
RMS(δ) = 0.3978 mas
Variability ellipse semimajor axis = 0.4136 mas
Variability ellipse semiminor axis = 0.1272 mas
Variability ellipse position angle = -16.7 deg
Equivalent α-δ correlation = -0.63

Observed in only 6 session(s)