J1833-2103

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

1830-211 18 h 33 m 39.886 s * -21 ° 3 ´ 40.57 " 7.9 Jy quasar 2.507

* = the position has been determined to an accuracy of 10 mas from the VLBApls data

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 (°)

1.123 0.0 0.2 4.0 ± 0.2 2.8 ± 0.2 31
0.824 -1.7 1.1 14.1 ± 1.5 5.1 ± 0.7 131
0.655 644.7 727.8 3.8 ± 0.3 2.4 ± 0.4 119
0.307 651.5 721.8 9.5 ± 1.0 < 0.8 102
0.482 633.2 739.0 8.1 ± 0.9 2.5 ± 0.6 125

Notes

A gravitational lens. Images of the two lensed components:
NE component contour PostScript
SW component contour PostScript

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

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
1830-211	18 h 33 m 39.886 s *	-21 ° 3 ´ 40.57 "	7.9 Jy	quasar	2.507

flux density (Jy)	EW position (mas)	NS position (mas)	major axis (mas)	minor axis (mas)	position angle (°)
1.123	0.0	0.2	4.0 ± 0.2	2.8 ± 0.2	31
0.824	-1.7	1.1	14.1 ± 1.5	5.1 ± 0.7	131
0.655	644.7	727.8	3.8 ± 0.3	2.4 ± 0.4	119
0.307	651.5	721.8	9.5 ± 1.0	< 0.8	102
0.482	633.2	739.0	8.1 ± 0.9	2.5 ± 0.6	125