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Radio source coordinate time series

 

 

1226+373

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

Right ascension: 187.1975986334033°
Declination: 37.1033599555736°
No. sessions: 198
No. delays: 7532
Defining: Yes
RMS(α cos δ) = 0.3755 mas
RMS(δ) = 0.4390 mas
Cleaned No. sessions: 179
Cleaned RMS(α cos δ) = 0.2410 mas
Cleaned RMS(δ) = 0.3008 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.