Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1908+484 (2026b, independent mode)

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

Right ascension: 287.4440113244319°
Declination: 48.5755055920053°
No. sessions: 53
No. delays: 1407
Defining: Yes
RMS(α cos δ) = 2.4984 mas
RMS(δ) = 4.1592 mas
Variability ellipse semimajor axis = 4.2306 mas
Variability ellipse semiminor axis = 2.3755 mas
Variability ellipse position angle = 12.7 deg
Equivalent α-δ correlation = 0.25

Observed in only 53 session(s)

Quarterly time series for 1908+484 (2026b, 4 global solutions)

Data

Right ascension: 287.4440113376340°
Declination: 48.5755056119414°
No. sessions: 48
No. delays: 1323
Defining: Yes
RMS(α cos δ) = 0.4295 mas
RMS(δ) = 0.4312 mas
Variability ellipse semimajor axis = 0.4469 mas
Variability ellipse semiminor axis = 0.4131 mas
Variability ellipse position angle = 43.5 deg
Equivalent α-δ correlation = 0.08

Observed in only 48 session(s)