ivsopar.obspm.fr

Radio source coordinate time series

 

 

1854+061

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

Observed in only 2 session(s)

Right ascension: 284.1326598906683°
Declination: 6.1713242409903°
No. sessions: 2
No. delays: 30
Defining: No
RMS(α cos δ) = 2.9881 mas
RMS(δ) = 1.0744 mas
Cleaned No. sessions: 2
Cleaned RMS(α cos δ) = 2.9881 mas
Cleaned RMS(δ) = 1.0744 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.