3C 285

B1319+428

General Data

S178 (Jy) 12.3Benn62
Alpha 0.95 LRL83
Spectrum LR00
ID GalaxyWY66A
ID redshift 0.0794SA67A
Cluster redshift   
5 GHz Core (mJy) 0.35vBD93
RM (rad/m²) -17.0SKB81
Lambda½ (cm) >21TI80

Position

(Equinox 1950.0)
Right Ascension Declination ofRef
13h 19m 05s.245 ±0.009 42° 50' 56".02 ±0.10RadiovBD93

Spectral Data

Radio Spectrum
FrequencyFlux densityErrorReference
MHzJyJy
107000.4500.038LP80
106950.480.04KNPW79
50000.7550.050LP80
49000.770.05KNPW79
27001.250.06KNPW79
26951.2440.040LP80
14002.0370.062LP80
9662.560.27KNPW79
7503.140.17LP80
17812.41.2LP80
8623.41.9LP80
3842.54.2LP80
2656.06.0KNPW79
22.2551.88.3LP80

Optical Magnitudes
BandmagnitudeErrordereddened?ApertureReference
B17.06 0.10YLRLR00
B16.82 0.08Y25mSH89
V16.05 0.10YLRLR00
V15.95 0.08Y25mSH89
R(c)15.47 0.10YLRLR00
J14.26 0.02Y10.8"LL84
H13.49 0.01Y10.8"LL84
K13.11 0.01Y10.8"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]190 38.0MC88
(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