J0818+4222

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

0814+425 8 h 18 m 15.9996 s + 42 ° 22 ´ 45.415 " 1.9 Jy BL Lac ...

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 (°)

1.106 0.1 0.0 1.2 ± 0.1 < 0.4 112
0.058 4.2 -1.1 < 5.8 < 0.0 112

Other VLBI references

1.6 GHz: VLBI image is published in the Caltech-Jodrell Bank Flat Spectrum Survey (CJF, Taylor et al. 1996, ApJS 107, 37)
2.3 and/or 8.4 GHz: VLBI images are available in the USNO Radio Reference Frame Image Database (RRFID, Fey & Charlot 2000, ApJS 128, 17)
15 GHz: multiple epoch VLBI images are available in the VLBA 2-cm survey (Kellermann et al. 1998, AJ 115, 1295)

VLBApls reference: Fomalont et al. (2000), ApJS 131, 95-183
VLBApls home page
Last modified: 19 Jan 2001

other name	right ascension (J2000)	declination (J2000)	5-GHz total flux density	optical ID	redshift
0814+425	8 h 18 m 15.9996 s	+ 42 ° 22 ´ 45.415 "	1.9 Jy	BL Lac	...

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
1.106	0.1	0.0	1.2 ± 0.1	< 0.4	112
0.058	4.2	-1.1	< 5.8	< 0.0	112