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Radio source coordinate time series

 

 

1548+056

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

Right ascension: 237.6469551678440°
Declination: 5.4529023106031°
No. sessions: 339
No. delays: 9402
Defining: Yes
RMS(α cos δ) = 0.2834 mas
RMS(δ) = 0.4741 mas
Cleaned No. sessions: 308
Cleaned RMS(α cos δ) = 0.2519 mas
Cleaned RMS(δ) = 0.4493 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.