J0646+4451

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

0642+449 6 h 46 m 32.0259 s + 44 ° 51 ´ 16.590 " 1.7 Jy quasar 3.408

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 (°)

1.768 0.0 0.0 0.3 ± 0.1 < 0.5 112
0.044 3.6 -0.2 3.0 2.0 ...

Notes

A source-specific comment is given in the VLBApls paper.

Other VLBI references

5 GHz: VLBI image is published in the Caltech-Jodrell Bank Flat Spectrum Survey (CJF, Taylor et al. 1996, ApJS 107, 37)
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: 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, 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
0642+449	6 h 46 m 32.0259 s	+ 44 ° 51 ´ 16.590 "	1.7 Jy	quasar	3.408

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
1.768	0.0	0.0	0.3 ± 0.1	< 0.5	112
0.044	3.6	-0.2	3.0	2.0	...