ivsopar.obspm.fr

Radio source coordinate time series

 

 

0531+194

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

Observed in only 4 session(s)

Right ascension: 83.6854769176571°
Declination: 19.4559674755076°
No. sessions: 4
No. delays: 19
Defining: No
RMS(α cos δ) = 37.5525 mas
RMS(δ) = 21.2224 mas
Cleaned No. sessions: 2
Cleaned RMS(α cos δ) = 3.1617 mas
Cleaned RMS(δ) = 2.4117 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.