J0823+2223

other name right ascension (J2000) declination (J2000) 5-GHz total flux density optical ID redshift

0820+225 8 h 23 m 24.760 s * + 22 ° 23 ´ 3.28 " 1.6 Jy BL Lac 0.951

* = the position has been determined to an accuracy of 10 mas from the VLBApls data

VLBApls image at 5 GHz
color gif | contour gif | contour PostScript

Correlated flux density (Jy) vs. projected baseline length plot
gif | PostScript

Gaussian source model component parameters

flux density (Jy) EW position (mas) NS position (mas) major axis (mas) minor axis (mas) position angle (°)

0.312 0.0 -0.1 2.3 ± 0.5 < 0.3 8
0.198 -1.6 -4.1 3.3 ± 0.6 2.0 ± 0.5 32
0.265 -9.4 -7.7 7.3 ± 0.8 3.4 ± 0.6 63
0.387 -15.9 -16.3 5.1 ± 0.7 2.3 ± 0.3 9

Other VLBI references

2.3 and/or 8.4 GHz: VLBI images are available in the VLBA Calibrators Database

VLBApls reference: Fomalont et al. (2000), ApJS, in press (November 2000)
VLBApls home page
Last modified: 17 Oct 2000

other name	right ascension (J2000)	declination (J2000)	5-GHz total flux density	optical ID	redshift
0820+225	8 h 23 m 24.760 s *	+ 22 ° 23 ´ 3.28 "	1.6 Jy	BL Lac	0.951

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
0.312	0.0	-0.1	2.3 ± 0.5	< 0.3	8
0.198	-1.6	-4.1	3.3 ± 0.6	2.0 ± 0.5	32
0.265	-9.4	-7.7	7.3 ± 0.8	3.4 ± 0.6	63
0.387	-15.9	-16.3	5.1 ± 0.7	2.3 ± 0.3	9