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Radio source coordinate time series

 

 

1739+522

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

Right ascension: 265.1540743716541°
Declination: 52.1953909635049°
No. sessions: 2283
No. delays: 215041
Defining: No
RMS(α cos δ) = 1.1674 mas
RMS(δ) = 0.4600 mas
Cleaned No. sessions: 2099
Cleaned RMS(α cos δ) = 0.2316 mas
Cleaned RMS(δ) = 0.3001 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.