Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1634+604 (2026b, independent mode)

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

Right ascension: 248.9068959927014°
Declination: 60.3324307472236°
No. sessions: 6
No. delays: 451
Defining: No
RMS(α cos δ) = 1.0069 mas
RMS(δ) = 0.6311 mas
Variability ellipse semimajor axis = 1.0414 mas
Variability ellipse semiminor axis = 0.5723 mas
Variability ellipse position angle = -72.2 deg
Equivalent α-δ correlation = -0.35

Observed in only 6 session(s)

Quarterly time series for 1634+604 (2026b, 4 global solutions)

Data

Right ascension: 248.9068960253355°
Declination: 60.3324306723616°
No. sessions: 6
No. delays: 451
Defining: No
RMS(α cos δ) = 0.2128 mas
RMS(δ) = 0.4871 mas
Variability ellipse semimajor axis = 0.5053 mas
Variability ellipse semiminor axis = 0.1650 mas
Variability ellipse position angle = 16.3 deg
Equivalent α-δ correlation = 0.59

Observed in only 6 session(s)