Confirmation of I Zw 1727 + 50 as a Radio Source

Le Squéren, Biraud and Lauqué1 have detected radio emission at 4.85 GHz from a source which they suggest may be associated with I Zw 1727 + 50 (I Zw 187), one of Zwicky's compact blue galaxies. Both the optical1,2 and radio1 features indicate that it is an object of the BL Lac (VRO 42.22.01) cl...

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Veröffentlicht in:	Nature (London) Phys. Sci. 241: No. 112, 139(19 Feb 1973) 139(19 Feb 1973), 1973-02, Vol.241 (112), p.139-139
Hauptverfasser:	ARGUE, A. N, KENWORTHY, C. M, RYLE, M, SHAKESHAFT, J. R
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCURACY ANGULAR DISTRIBUTION COORDINATES COSMIC RADIO SOURCES COSMIC RADIO SOURCES/identification of I Zw 1727 + 50 as, (E) ERRORS GALAXIES GALAXIES/radio emission from I Zw 1727 + 50, (E) GHZ RANGE 01-100 letters-to-editor N56300 -Physics (Astrophysics & Cosmology)-Quasi-stellar, Radio & X-Ray Sources Physics Physics and Astronomy RADIOWAVE RADIATION VISIBLE RADIATION
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Zusammenfassung:	Le Squéren, Biraud and Lauqué1 have detected radio emission at 4.85 GHz from a source which they suggest may be associated with I Zw 1727 + 50 (I Zw 187), one of Zwicky's compact blue galaxies. Both the optical1,2 and radio1 features indicate that it is an object of the BL Lac (VRO 42.22.01) class. In this letter we report more accurate positional measurements at optical and radio wavelengths; these agree closely and confirm the association.
ISSN:	0300-8746 2058-1106
DOI:	10.1038/physci241139a0