NGC 4237 appears to be deficient in neutral atomic hydrogen (H I). This, combined with its large projected distance from M87 and its radial velocity close to the Virgo Cluster mean suggests that the galaxy may be on a highly radial orbit through the center of the cluster.[11]
^Binggeli, B.; Sandage, A.; Tammann, G. A. (September 1985). "Studies of the Virgo Cluster. II - A catalog of 2096 galaxies in the Virgo Cluster area. V - Luminosity functions of Virgo Cluster galaxies". The Astronomical Journal. 90: 1681. Bibcode:1985AJ.....90.1681B. doi:10.1086/113874. ISSN0004-6256.
^C., Kraan-Korteweg, R. (March 1982). "A complete sample of Virgo cluster galaxies". Astronomy and Astrophysics Supplement Series. 47: 505. Bibcode:1982A&AS...47..505K. ISSN0365-0138.{{cite journal}}: CS1 maint: multiple names: authors list (link)