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Radio source coordinate time series

 

 

0920-397

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

Right ascension: 140.6934093357061°
Declination: -39.9930745372466°
No. sessions: 512
No. delays: 8782
Defining: Yes
RMS(α cos δ) = 4.3516 mas
RMS(δ) = 3.8358 mas
Cleaned No. sessions: 424
Cleaned RMS(α cos δ) = 0.4534 mas
Cleaned RMS(δ) = 0.9490 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.