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Radio source coordinate time series

 

 

1144+402

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

Right ascension: 176.7429080482458°
Declination: 39.9761955640572°
No. sessions: 600
No. delays: 50894
Defining: Yes
RMS(α cos δ) = 1.4677 mas
RMS(δ) = 4.6083 mas
Cleaned No. sessions: 469
Cleaned RMS(α cos δ) = 0.2497 mas
Cleaned RMS(δ) = 0.3712 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.