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Radio source coordinate time series

 

 

0502+049

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

Right ascension: 76.3466030077619°
Declination: 4.9952012529285°
No. sessions: 35
No. delays: 1111
Defining: No
RMS(α cos δ) = 0.2180 mas
RMS(δ) = 0.3031 mas
Cleaned No. sessions: 33
Cleaned RMS(α cos δ) = 0.1682 mas
Cleaned RMS(δ) = 0.2631 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.