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Radio source coordinate time series

 

 

1824-582

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

Right ascension: 277.3016766873556°
Declination: -58.2319895635485°
No. sessions: 24
No. delays: 261
Defining: Yes
RMS(α cos δ) = 0.9934 mas
RMS(δ) = 1.5657 mas
Cleaned No. sessions: 20
Cleaned RMS(α cos δ) = 0.6196 mas
Cleaned RMS(δ) = 1.1131 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.