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Radio source coordinate time series

 

 

0309+411

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

Right ascension: 48.2581755114659°
Declination: 41.3336620873465°
No. sessions: 79
No. delays: 2706
Defining: Yes
RMS(α cos δ) = 0.1943 mas
RMS(δ) = 0.2878 mas
Cleaned No. sessions: 72
Cleaned RMS(α cos δ) = 0.1885 mas
Cleaned RMS(δ) = 0.2364 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.