Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1307-556 (2026a, independent mode)

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

Right ascension: 197.6806482563153°
Declination: -55.8698690767785°
No. sessions: 5
No. delays: 45
Defining: No
RMS(α cos δ) = 0.5434 mas
RMS(δ) = 0.9034 mas
Variability ellipse semimajor axis = 0.9211 mas
Variability ellipse semiminor axis = 0.5128 mas
Variability ellipse position angle = -13.5 deg
Equivalent α-δ correlation = -0.27

Observed in only 5 session(s)

Quarterly time series for 1307-556 (2026a, 4 global solutions)

Data

Right ascension: 197.6806482680589°
Declination: -55.8698692109808°
No. sessions: 5
No. delays: 45
Defining: No
RMS(α cos δ) = 0.2536 mas
RMS(δ) = 0.3329 mas
Variability ellipse semimajor axis = 0.3579 mas
Variability ellipse semiminor axis = 0.2169 mas
Variability ellipse position angle = 27.4 deg
Equivalent α-δ correlation = 0.39

Observed in only 5 session(s)