ivsopar.obspm.fr

Radio source coordinate time series

 

 

2029+121

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

Right ascension: 307.9791427707813°
Declination: 12.3281501098203°
No. sessions: 99
No. delays: 4065
Defining: Yes
RMS(α cos δ) = 0.4203 mas
RMS(δ) = 1.5139 mas
Cleaned No. sessions: 87
Cleaned RMS(α cos δ) = 0.3018 mas
Cleaned RMS(δ) = 0.5212 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.