3C 346

B1641+173

General Data

S178 (Jy) 11.9CC69
Alpha 0.52 LRL83
Spectrum LR00
ID GalaxyWY66A
ID redshift 0.161SS80
Cluster redshift   
5 GHz Core (mJy)   
RM (rad/m²) -32.0SKB81
Lambda½ (cm) 30SC85

Position

(Equinox 1950.0)
Right Ascension Declination ofRef
16h 41m 34s.472 ±0.003 17° 21' 21".10 ±0.05RadioLeah97

Spectral Data

Radio Spectrum
FrequencyFlux densityErrorReference
MHzJyJy
149000.7500.010LP80
107000.8160.028LP80
106950.870.04KNPW79
50091.380.08KNPW79
50001.6190.099LP80
27002.390.12KNPW79
26952.3560.051LP80
26502.340.05KNPW79
14003.810.14LP80
7505.720.19LP80
4688.120.28KNPW79
4089.12.4KNPW79
3189.340.39KNPW79
17811.880.59LP80
8625.11.1LP80
8025.04.0KNPW79
3841.38.3LP80

Optical Magnitudes
BandmagnitudeErrordereddened?ApertureReference
V17.03 0.08Y25mSH89
R(c)16.48 0.10YLRLR00
J14.73 0.05Y12"LL84
H13.96 0.02Y12"LL84
K13.37 0.02Y12"LL84

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

Optical Line emission
LinefluxErrorReference
10-16erg/s/cm²
H-alpha+[NII]19.0 3.8MC88
(In S.I., the units are 10-17W m-2).


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Page created: 1998 Mar 12 22:29:16
J. P. Leahy
jpl@jb.man.ac.uk