Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1225+317 (2026b, independent mode)

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

Right ascension: 187.1040248589157°
Declination: 31.4771192058639°
No. sessions: 7
No. delays: 689
Defining: No
RMS(α cos δ) = 0.3497 mas
RMS(δ) = 0.3938 mas
Variability ellipse semimajor axis = 0.4262 mas
Variability ellipse semiminor axis = 0.3094 mas
Variability ellipse position angle = 33.7 deg
Equivalent α-δ correlation = 0.29

Observed in only 7 session(s)

Quarterly time series for 1225+317 (2026b, 4 global solutions)

Data

Right ascension: 187.1040249426558°
Declination: 31.4771191795139°
No. sessions: 7
No. delays: 689
Defining: No
RMS(α cos δ) = 0.0807 mas
RMS(δ) = 0.1804 mas
Variability ellipse semimajor axis = 0.1818 mas
Variability ellipse semiminor axis = 0.0776 mas
Variability ellipse position angle = -7.8 deg
Equivalent α-δ correlation = -0.25

Observed in only 7 session(s)