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Published online by Cambridge University Press: 04 August 2017
NGC 4318, in the Virgo Cluster, has the following optical properties:
— morphological type: E (Nilson, 1973)
— BoT magnitude : 13.8 (Nilson, 1973)
— photometric axis : 0.8′ × 0.6′ (Nilson, 1973)
— heliocentric radial velocity:
−300 km s−1 (Arakelian et al., 1975)
1247± 15 km s (Tonry, 1981)
1215 km s−1 (Huchra et al., 1983)