Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1637+626 (2026b, independent mode)

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

Right ascension: 249.6176039512196°
Declination: 62.5789748136587°
No. sessions: 12
No. delays: 192
Defining: No
RMS(α cos δ) = 7.8018 mas
RMS(δ) = 6.7116 mas
Variability ellipse semimajor axis = 8.4206 mas
Variability ellipse semiminor axis = 5.9167 mas
Variability ellipse position angle = 58.0 deg
Equivalent α-δ correlation = 0.31

Observed in only 12 session(s)

Quarterly time series for 1637+626 (2026b, 4 global solutions)

Data

Right ascension: 249.6176048113504°
Declination: 62.5789747596957°
No. sessions: 12
No. delays: 192
Defining: No
RMS(α cos δ) = 4.9199 mas
RMS(δ) = 6.7240 mas
Variability ellipse semimajor axis = 7.0753 mas
Variability ellipse semiminor axis = 4.3997 mas
Variability ellipse position angle = 23.4 deg
Equivalent α-δ correlation = 0.34

Observed in only 12 session(s)