3C 284

B1308+277

General Data

S178 (Jy) 12.3Benn62
Alpha 0.95 LRL83
Spectrum LR00
ID GalaxyWY66A
ID redshift 0.2394BS72
Cluster redshift   
5 GHz Core (mJy)   
RM (rad/m²) -4.0SKB81
Lambda½ (cm) 35SC85

Position

(Equinox 1950.0)
Right Ascension Declination ofRef
13h 08m 41s.330 ±0.070 27° 44' 02".59 ±0.60OpticalRP75

Spectral Data

Radio Spectrum
FrequencyFlux densityErrorReference
MHzJyJy
12um<0.0400.006GMN87
25um<0.0650.010GMN87
60um<0.130.02GMN87
100um<0.150.02GMN87
107000.2630.019LP80
106950.280.03KNPW79
50000.6850.060LP80
27001.090.05KNPW79
26951.0820.040LP80
14001.8520.072LP80
7503.140.17LP80
4086.11.1KNPW79
3187.000.31KNPW79
17812.41.2LP80
16016.92.5KNPW79
8629.04.1LP80
8026.04.0KNPW79
3854.35.4LP80
26.381.06.0LP80
2682.06.0KNPW79
22.2587.48.3LP80
1012630LP80

Optical Magnitudes
BandmagnitudeErrordereddened?ApertureReference
R(c)17.41 0.10YLRLR00
J15.51 0.04Y10.8"LL84
H14.75 0.03Y10.8"LL84
K14.17 0.02Y10.8"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]14.2 2.8MC88
[OIII]4959Ang31.0 9.3R89A
[OIII]5007Ang90 18.0R89A
(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