Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2305+187 (2026b, independent mode)

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

Right ascension: 346.9401102183750°
Declination: 19.0223611156110°
No. sessions: 5
No. delays: 265
Defining: No
RMS(α cos δ) = 0.9643 mas
RMS(δ) = 1.3625 mas
Variability ellipse semimajor axis = 1.6515 mas
Variability ellipse semiminor axis = 0.2423 mas
Variability ellipse position angle = -34.8 deg
Equivalent α-δ correlation = -0.95

Observed in only 5 session(s)

Quarterly time series for 2305+187 (2026b, 4 global solutions)

Data

Right ascension: 346.9401103257611°
Declination: 19.0223612844927°
No. sessions: 5
No. delays: 265
Defining: No
RMS(α cos δ) = 0.6400 mas
RMS(δ) = 1.3229 mas
Variability ellipse semimajor axis = 1.4391 mas
Variability ellipse semiminor axis = 0.2978 mas
Variability ellipse position angle = -23.7 deg
Equivalent α-δ correlation = -0.86

Observed in only 5 session(s)