Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1440+635 (2026b, independent mode)

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

Right ascension: 220.4944555592442°
Declination: 63.3092886695109°
No. sessions: 5
No. delays: 533
Defining: No
RMS(α cos δ) = 0.3767 mas
RMS(δ) = 0.3670 mas
Variability ellipse semimajor axis = 0.5202 mas
Variability ellipse semiminor axis = 0.0772 mas
Variability ellipse position angle = 45.7 deg
Equivalent α-δ correlation = 0.96

Observed in only 5 session(s)

Quarterly time series for 1440+635 (2026b, 4 global solutions)

Data

Right ascension: 220.4944557104492°
Declination: 63.3092886430920°
No. sessions: 5
No. delays: 533
Defining: No
RMS(α cos δ) = 0.2096 mas
RMS(δ) = 0.1968 mas
Variability ellipse semimajor axis = 0.2362 mas
Variability ellipse semiminor axis = 0.1640 mas
Variability ellipse position angle = 50.1 deg
Equivalent α-δ correlation = 0.34

Observed in only 5 session(s)