Delta Crucis is the western arm, very similar in size and distance to alpha Crucis, and part of the star cluster mentioned above. The star is a beta-CMa type variable (see below).
Double stars in Crux: ...
[3023] delta Crucis, or Palida in Portuguese, is a subgiant and a Beta Cephei variable, changing its brightness within a period of 1.3 hours. Its rotation period is relatively short, less than 1.3 days.
At fourth magnitude (3.59, just fainter than third), Epsilon Crucis has a prominent place as the "fifth star" of one of the most famed of all constellations, Crux, the Southern Cross, lying almost on a line between brighter Delta Crucis (the Cross's ...
Decrux Delta Crucis
Deneb Alpha Cygni
Deneb Algedi Delta Capricorni
Deneb Dulfim Epsilon Delphini
Deneb el Okab Zeta Aquilae
Deneb Kaitos Beta Ceti
Deneb Kaitos Schemali Iota Ceti
Denebola Beta Leonis
Dheneb Eta Ceti
Diadem Alpha Comae Berenices ...
The star lies in the part (12:31:10.0-57:6:47.6, ICRS 2000.0) or "top" of Constellation Crux (see chart and photo), the Southern Cross -- northwest of Mimosa (Beta Crucis), northeast of Delta Crucis, and north of Acrux (Alpha Crucis).
 See also: Delta Cru, Delta, Sky, Star, Light
  
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