J1800+7828

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

1803+784 18 h 0 m 45.6839 s + 78 ° 28 ´ 4.018 " 2.6 Jy quasar 0.680

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 (°)

2.088 0.1 0.0 < 0.5 < 0.2 ...
0.640 -1.1 -0.1 1.1 ± 0.1 < 0.4 85
0.130 -6.1 -0.3 7.7 ± 0.8 1.6 ± 1.0 68

Other VLBI references

5 GHz: see Gurvits et al. 1999 (A&A 342, 378) for references to other VLBI image(s) published in the literature
2.3 and/or 8.4 GHz: multiple epoch 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 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: 17 Oct 2000

other name	right ascension (J2000)	declination (J2000)	5-GHz total flux density	optical ID	redshift
1803+784	18 h 0 m 45.6839 s	+ 78 ° 28 ´ 4.018 "	2.6 Jy	quasar	0.680

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
2.088	0.1	0.0	< 0.5	< 0.2	...
0.640	-1.1	-0.1	1.1 ± 0.1	< 0.4	85
0.130	-6.1	-0.3	7.7 ± 0.8	1.6 ± 1.0	68