J1230+1223

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

3C 274 12 h 30 m 49.4233 s + 12 ° 23 ´ 28.044 " 61.2 Jy galaxy 0.004

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 (°)

1.115 0.1 0.0 0.8 ± 0.1 < 0.4 110
1.039 -0.6 0.1 2.8 ± 0.1 < 0.7 106
0.424 -5.8 1.2 5.3 ± 0.6 < 1.5 107
0.466 -16.2 2.7 14.6 ± 1.5 5.3 ± 0.7 112

Other VLBI references

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 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
3C 274	12 h 30 m 49.4233 s	+ 12 ° 23 ´ 28.044 "	61.2 Jy	galaxy	0.004

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
1.115	0.1	0.0	0.8 ± 0.1	< 0.4	110
1.039	-0.6	0.1	2.8 ± 0.1	< 0.7	106
0.424	-5.8	1.2	5.3 ± 0.6	< 1.5	107
0.466	-16.2	2.7	14.6 ± 1.5	5.3 ± 0.7	112