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Radio source coordinate time series

 

 

0307+380

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

Right ascension: 47.7078329719920°
Declination: 38.2482882418587°
No. sessions: 228
No. delays: 10939
Defining: Yes
RMS(α cos δ) = 1.9829 mas
RMS(δ) = 2.6869 mas
Cleaned No. sessions: 202
Cleaned RMS(α cos δ) = 0.1804 mas
Cleaned RMS(δ) = 0.2986 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.