3C 268.3

B1203+645

General Data

S178 (Jy) 11.7CC69
Alpha 0.50 LRL83
Spectrum LR00
ID GalaxyKSK74
ID redshift 0.371KSW78
Cluster redshift   
5 GHz Core (mJy)   
RM (rad/m²) 86.0SKB81
Lambda½ (cm) 7TI80

Position

(Equinox 1950.0)
Right Ascension Declination ofRef
12h 03m 54s.097 ±0.003 64° 30' 18".68 ±0.02RadioLudk97

Spectral Data

Radio Spectrum
FrequencyFlux densityErrorReference
MHzJyJy
12um<0.080.01GMN87
25um<0.080.01GMN87
60um<0.120.02GMN87
100um<0.350.05GMN87
149000.3300.010LP80
107000.4780.038LP80
106950.510.04KNPW79
50001.0820.040LP80
49001.180.01KNPW79
27002.020.10KNPW79
26952.0020.040LP80
14003.620.15LP80
9665.310.45KNPW79
7505.670.20LP80
17811.660.58LP80
8621.92.2LP80

Optical Magnitudes
BandmagnitudeErrordereddened?ApertureReference
R(c)19.53 0.10YLRLR00
r19.82 0.10YLRLR00
r19.94 0.05N8.6"LL84

NB: "LR" in the aperture column indicates a magnitude measured on the Laing & Riley system.

Optical Line emission
LinefluxErrorReference
10-16erg/s/cm²
[OIII]66 13.0MC88
(In S.I., the units are 10-17W m-2).


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Page created: 1998 Mar 12 22:29:13
J. P. Leahy
jpl@jb.man.ac.uk