Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1522+155 (2026b, independent mode)

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

Right ascension: 231.1733812221225°
Declination: 15.3558473620001°
No. sessions: 29
No. delays: 437
Defining: No
RMS(α cos δ) = 0.5371 mas
RMS(δ) = 1.0710 mas
Variability ellipse semimajor axis = 1.0713 mas
Variability ellipse semiminor axis = 0.5367 mas
Variability ellipse position angle = -1.3 deg
Equivalent α-δ correlation = -0.04

Observed in only 29 session(s)

Quarterly time series for 1522+155 (2026b, 4 global solutions)

Data

Right ascension: 231.1733811618325°
Declination: 15.3558472979464°
No. sessions: 22
No. delays: 416
Defining: No
RMS(α cos δ) = 0.3118 mas
RMS(δ) = 0.6587 mas
Variability ellipse semimajor axis = 0.6590 mas
Variability ellipse semiminor axis = 0.3113 mas
Variability ellipse position angle = -1.7 deg
Equivalent α-δ correlation = -0.05

Observed in only 22 session(s)