3C 300

B1420+198

General Data

S178 (Jy) 19.5CC69
Alpha 0.78 LRL83
Spectrum LR00
ID GalaxyWY66A
ID redshift 0.270SC72A
Cluster redshift   
5 GHz Core (mJy)   
RM (rad/m²) -6.0SKB81
Lambda½ (cm) 50SC85

Position

(Equinox 1950.0)
Right Ascension Declination ofRef
14h 20m 39s.959 ±0.060 19° 49' 13".19 ±0.60OpticalRP75

Spectral Data

Radio Spectrum
FrequencyFlux densityErrorReference
MHzJyJy
149000.3100.020LP80
107000.4780.028LP80
106950.510.03KNPW79
50091.200.03KNPW79
50001.0920.040LP80
27001.960.10KNPW79
26951.9410.040LP80
14103.640.14KNPW79
14003.6020.082LP80
7506.420.21LP80
6357.600.33KNPW79
46810.680.13KNPW79
4089.62.4KNPW79
31812.390.50KNPW79
17819.510.98LP80
16022.52.9KNPW79
8637.15.3LP80
8037.05.0KNPW79
3879.17.9LP80
26.396.08.0LP80
2697.08.0KNPW79
22.2512218LP80
1028860LP80

Optical Magnitudes
BandmagnitudeErrordereddened?ApertureReference
V19.18 0.08Y25mSH89
R(c)18.26 0.10YLRLR00
J16.57 0.11Y12"LL84
H15.95 0.07Y12"LL84
K15.20 0.05Y12"LL84

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

Optical Line emission
LinefluxErrorReference
10-16erg/s/cm²
[OII]132 26.0MC88
[OIII]4959Ang53 16.0R89A
[OIII]5007Ang150 45.0R89A
(In S.I., the units are 10-17W m-2).


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Page created: 1998 Mar 12 22:29:14
J. P. Leahy
jpl@jb.man.ac.uk