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Radio source coordinate time series

 

 

0537-441

Data
SIMBAD - NED - LQAC
MOJAVE - Astrogeo - BVID
Aladin - SDSS

Right ascension: 84.7098399273540°
Declination: -44.0858164960079°
No. sessions: 1990
No. delays: 71470
Defining: Yes
RMS(α cos δ) = 3.5153 mas
RMS(δ) = 6.0077 mas
Cleaned No. sessions: 1514
Cleaned RMS(α cos δ) = 0.2299 mas
Cleaned RMS(δ) = 0.2822 mas

Note: Cleaning is a simple outlier elimination algorithm to remove bad sessions. Points whose distance to the mean scaled by the error is larger than 3 are iteratively deleted. The cleaned rms are provided as is and should be taken with some care, especially if the number of sessions is small.