Bibcode
Efremov, Yu. N.; Alfaro, E.; Hodge, P.; Larsen, S.; Munoz-Tunon, C.
Referencia bibliográfica
Astronomical and Astrophysical Transactions, vol. 23, Issue 2, p.95-101
Fecha de publicación:
2
2004
Número de citas
2
Número de citas referidas
2
Descripción
The origin of the peculiar stellar complex in the outskirts of the
spiral galaxy NGC 6946 is discussed. The complex hosts a superstar
cluster, two dozen smaller bright clusters and many high-luminosity
stars 5-30 Myears old. In spite of this, no features in H I or CO are
associated with the complex. The most simple explanation is that the
complex is a foreground blue compact galaxy, a member of the NGC 6946
group. The arc of high light absorption along the complex rim could then
be the result of the ram pressure of the intergalactic medium gas. The
existing velocity data cannot prove or disprove this hypothesis.