J1638+5720

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

1637+574 16 h 38 m 13.4563 s + 57 ° 20 ´ 23.978 " 1.8 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 (°)

1.261 0.0 0.1 1.0 ± 0.2 < 0.2 14
0.127 -0.8 -2.1 1.7 ± 1.1 < 0.5 4

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)

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
1637+574	16 h 38 m 13.4563 s	+ 57 ° 20 ´ 23.978 "	1.8 Jy	quasar	0.751

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
1.261	0.0	0.1	1.0 ± 0.2	< 0.2	14
0.127	-0.8	-2.1	1.7 ± 1.1	< 0.5	4