24 Sextantis [SEP] constellation
24 Sextantis
24 Sextantis, often abbreviated as 24 Sex, is the Flamsteed designation of a 7th-magnitude star located approximately 253 light years away in the constellation of Sextans. At an apparent visual magnitude of 6.61, this star can only be viewed from rural skies under good seeing conditions.
At the age of 2.8 billion years, it has reached an evolutionary stage called a subgiant star, having a stellar classification of K0 IV. Previously it was an A-type main sequence star before using up the
V1315 Aquilae
V1315 Aquilae is a cataclysmic variable star located in the constellation of Aquila. It is a type of cataclysmic variable known as a nova-like variable (NL), specifically a SW Sextantis star. Nova-like variables such as these SW Sextantis stars are characterized as having non-magnetic white dwarfs and do not undergo dwarf-nova eruptions. There is some evidence that SW Sextantis stars may contain a magnetic white dwarf. Being a SW Sextantis star, V1315 Aquilae has a high rate of mass transfer,