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Radio source coordinate time series

 

 

1642+690

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

Right ascension: 250.5327020751545°
Declination: 68.9443767517898°
No. sessions: 238
No. delays: 17704
Defining: Yes
RMS(α cos δ) = 0.1199 mas
RMS(δ) = 0.1884 mas
Cleaned No. sessions: 206
Cleaned RMS(α cos δ) = 0.1244 mas
Cleaned RMS(δ) = 0.1515 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.