Pacht, E. (1976) Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objects. The Astronomical Journal, 81. 574pp. doi:10.1086/111925

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Reference Type	Journal (article/letter/editorial)
Title	Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objects
Journal	The Astronomical Journal
Authors	Pacht, E.		Author
Year	1976 (August)	Volume	81
Publisher	IOP Publishing
DOI	doi:10.1086/111925Search in ResearchGate
	Generate Citation Formats
Mindat Ref. ID	3503271	Long-form Identifier	mindat:1:5:3503271:3
GUID	0
Full Reference	Pacht, E. (1976) Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objects. The Astronomical Journal, 81. 574pp. doi:10.1086/111925
Plain Text	Pacht, E. (1976) Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objects. The Astronomical Journal, 81. 574pp. doi:10.1086/111925
In	(1976) The Astronomical Journal Vol. 81. IOP Publishing

	*Pacht, E. (1982) Radio two-color spectral distributions. The Astronomical Journal, 87. 774pp. doi:10.1086/113155*
	Ye, Xu-Hong, Fan, Jun-Hui (2021) Unification of BL Lac objects and FR I and FR II(G) radio galaxies, and Doppler factor estimation for BL Lac objects. Publications of the Astronomical Society of Japan, 73 (4) 775-785 doi:10.1093/pasj/psab039
	*Kuehr, H., Schmidt, Gary D. (1990) Complete samples of radio-selected BL Lac objects. The Astronomical Journal, 99. 1pp. doi:10.1086/115305*
	*Burbidge, G., Hewitt, A. (1987) An updated list of BL Lac objects, and their relation to galaxies and quasistellar objects. The Astronomical Journal, 93. 1pp. doi:10.1086/114283*
	*McIlwrath, B. K., Stannard, D. (1980) Two radio-quiet BL Lac type objects?. Monthly Notices of the Royal Astronomical Society, 192 (1) 79-81 doi:10.1093/mnras/192.1.79p*
	*Lu, P. K. (1977) Optical monitoring of quasistellar objects. II. Three-color photographic photometry of BL Lac. The Astronomical Journal, 82. 773pp. doi:10.1086/112123*
	*Antonucci, R. R. J., Hickson, P., Olszewski, E. W., Miller, J. S. (1986) Deep radio maps of high-frequency selected BL Lac objects. The Astronomical Journal, 92. 1pp. doi:10.1086/114128*
	Sandage, Allen, Katem, Basil (1976) The brightest stars in nearby galaxies. I. The color-magnitude diagram and luminosity function for IC 1613. The Astronomical Journal, 81. 743pp. doi:10.1086/111945
	*Merrifield, Michael R. (1992) Macrolensing, microlensing, and BL Lac objects. The Astronomical Journal, 104. 1306pp. doi:10.1086/116319*
	*Nordsieck, K. H. (1976) Optical polarization models of quasi-stellar objects and BL Lac objects. The Astrophysical Journal, 209. 653pp. doi:10.1086/154764*
	*Pesce, Joseph E., Falomo, Renato, Treves, Aldo (1995) Environmental Properties of BL LAC Objects. The Astronomical Journal, 110. 1554pp. doi:10.1086/117628*

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Pacht, E. (1976) Radio two-color diagram for QSOs, spiral galaxies, and BL Lac objects. The Astronomical Journal, 81. 574pp. doi:10.1086/111925

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