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Radio source coordinate time series

 

 

1228+126

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

Right ascension: 187.7059306283543°
Declination: 12.3911231607690°
No. sessions: 1819
No. delays: 67304
Defining: No
RMS(α cos δ) = 6.8489 mas
RMS(δ) = 2.6176 mas
Cleaned No. sessions: 1364
Cleaned RMS(α cos δ) = 0.2442 mas
Cleaned RMS(δ) = 0.2922 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.