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Radio source coordinate time series

 

 

1741-038

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

Right ascension: 265.9952338968534°
Declination: -3.8346157681712°
No. sessions: 4293
No. delays: 221721
Defining: Yes
RMS(α cos δ) = 1.6699 mas
RMS(δ) = 5.9149 mas
Cleaned No. sessions: 3855
Cleaned RMS(α cos δ) = 0.2476 mas
Cleaned RMS(δ) = 0.4561 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.