J1642+6856

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

1642+690 16 h 42 m 7.8485 s + 68 ° 56 ´ 39.756 " 1.5 Jy quasar 0.751

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 (°)

0.955 0.0 0.0 1.9 ± 0.1 0.6 ± 0.1 14
0.138 -1.5 -6.4 6.0 ± 0.8 1.5 ± 0.3 15
0.025 -6.1 -11.5 6.4 2.0 40

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
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: 17 Oct 2000

other name	right ascension (J2000)	declination (J2000)	5-GHz total flux density	optical ID	redshift
1642+690	16 h 42 m 7.8485 s	+ 68 ° 56 ´ 39.756 "	1.5 Jy	quasar	0.751

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
0.955	0.0	0.0	1.9 ± 0.1	0.6 ± 0.1	14
0.138	-1.5	-6.4	6.0 ± 0.8	1.5 ± 0.3	15
0.025	-6.1	-11.5	6.4	2.0	40