Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1547+507 (2026b, independent mode)

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

Right ascension: 237.3227856754721°
Declination: 50.6349411579827°
No. sessions: 38
No. delays: 1994
Defining: No
RMS(α cos δ) = 2.1778 mas
RMS(δ) = 10.9083 mas
Variability ellipse semimajor axis = 10.9844 mas
Variability ellipse semiminor axis = 1.7543 mas
Variability ellipse position angle = 6.8 deg
Equivalent α-δ correlation = 0.58

Observed in only 38 session(s)

Quarterly time series for 1547+507 (2026b, 4 global solutions)

Data

Right ascension: 237.3227856819071°
Declination: 50.6349411306954°
No. sessions: 36
No. delays: 1988
Defining: No
RMS(α cos δ) = 0.2052 mas
RMS(δ) = 0.2354 mas
Variability ellipse semimajor axis = 0.2394 mas
Variability ellipse semiminor axis = 0.2005 mas
Variability ellipse position angle = -19.5 deg
Equivalent α-δ correlation = -0.11

Observed in only 36 session(s)