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Radio source coordinate time series

 

 

1027-186

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

Right ascension: 157.3879071563643°
Declination: -18.8806348161469°
No. sessions: 69
No. delays: 1167
Defining: No
RMS(α cos δ) = 1.7185 mas
RMS(δ) = 13.6193 mas
Cleaned No. sessions: 47
Cleaned RMS(α cos δ) = 1.2841 mas
Cleaned RMS(δ) = 3.0543 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.