Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1633+186 (2026b, independent mode)

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

Right ascension: 248.9131591125631°
Declination: 18.5176936515699°
No. sessions: 4
No. delays: 360
Defining: No
RMS(α cos δ) = 0.4351 mas
RMS(δ) = 0.7225 mas
Variability ellipse semimajor axis = 0.7882 mas
Variability ellipse semiminor axis = 0.3002 mas
Variability ellipse position angle = -25.5 deg
Equivalent α-δ correlation = -0.66

Observed in only 4 session(s)

Quarterly time series for 1633+186 (2026b, 4 global solutions)

Data

Right ascension: 248.9131591013006°
Declination: 18.5176937221012°
No. sessions: 4
No. delays: 360
Defining: No
RMS(α cos δ) = 0.1433 mas
RMS(δ) = 0.2483 mas
Variability ellipse semimajor axis = 0.2498 mas
Variability ellipse semiminor axis = 0.1407 mas
Variability ellipse position angle = -7.6 deg
Equivalent α-δ correlation = -0.16

Observed in only 4 session(s)