3C 31

B0104+321

General Data

S178 (Jy) 18.3CC69
Alpha 0.57 LRL83
Spectrum LR00
ID GalaxyWY66A
ID redshift 0.0167HMS56
Cluster redshift 0.0173Ledl96
5 GHz Core (mJy)   
RM (rad/m²) -60.0SKB81
Lambda½ (cm) 20SC85

Position

(Equinox 1950.0)
Right Ascension Declination ofRef
01h 04m 39s.099 ±0.030 32° 08' 43".29 ±0.40OpticalGPB79

Spectral Data

Radio Spectrum
FrequencyFlux densityErrorReference
MHzJyJy
12um<0.0300.005GMN87
25um<0.0450.007GMN87
60um0.4350.065GMN87
100um1.680.25GMN87
107001.0220.094LP80
106951.230.05KNPW79
50002.0850.070LP80
27003.570.35KNPW79
26953.530.25LP80
14005.390.23LP80
7508.150.25LP80
40813.02.3KNPW79
4089.050.68KNPW79
31810.920.44KNPW79
17818.310.92LP80
16021.03.1KNPW79
8634.01.6LP80
8021.03.0KNPW79
3863.76.4LP80
26.365.07.0LP80
2666.07.0KNPW79
22.258625LP80
1014448LP80

Optical Magnitudes
BandmagnitudeErrordereddened?ApertureReference
B13.28 0.10YLRLR00
B13.06 0.08Y25mSH89
V12.15 0.10YLRLR00
V12.07 0.08Y25mSH89
R(C)11.52 0.10YLRLR00
R11.11 0.05Y24.5mOL89
J11.58 0.12Y7.5"LLM85
H10.82 0.11Y7.5"LLM85
K10.46 0.10Y7.5"LLM85
L10.33 0.12Y7.5"LLM85

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

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


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Page created: 1998 Mar 12 22:29:08
J. P. Leahy
jpl@jb.man.ac.uk