Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1641+701 (2026b, independent mode)

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

Right ascension: 250.3759823216012°
Declination: 70.0528840344279°
No. sessions: 2
No. delays: 105
Defining: No
RMS(α cos δ) = 0.3710 mas
RMS(δ) = 0.1148 mas
Variability ellipse semimajor axis = 0.3879 mas
Variability ellipse semiminor axis = 0.0193 mas
Variability ellipse position angle = -73.0 deg
Equivalent α-δ correlation = -0.98

Observed in only 2 session(s)

Quarterly time series for 1641+701 (2026b, 4 global solutions)

Data

Right ascension: 250.3759823269111°
Declination: 70.0528840416987°
No. sessions: 2
No. delays: 105
Defining: No
RMS(α cos δ) = 0.0295 mas
RMS(δ) = 0.0073 mas
Variability ellipse semimajor axis = 0.0304 mas
Variability ellipse semiminor axis = 0.0023 mas
Variability ellipse position angle = -75.5 deg
Equivalent α-δ correlation = -1.05

Observed in only 2 session(s)