File:Crux_constellation_map.svg · Wikimedia Commons · See Wikimedia Commons
Mimosa
Sign in to saveAlso known as Beta Crusis, Becrux, bet Cru, β Cru, β Crusis, ROT 1887, SAO 240259, HD 111123
star in the constellation Crux
Astronomical data · SIMBAD
- Object type
- bC*
- Spectral type
- B1IV
- Distance
- 279 light-years
- Redshift
- z = 0.00003435769203097294
- Coordinates
- RA 191.9303° · Dec -59.6888°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Crux
- Pronunciation
- / m ɪ ˈ m oʊ s ə /
- Right ascension
- 12 47 43.26877
- Declination
- −59 ° 41 ′ 19.5792 ″
- Apparent magnitude v
- 1.25 (1.23 - 1.31)
- Spectral type
- B0.5 III
- U b color index
- −0.98
- B v color index
- −0.23
- Variable type
- β Cep
via Wikipedia infobox
~6 min read
Encyclopedic overview
Mimosa is the second-brightest object in the southern constellation of Crux (after Acrux), and the 20th-brightest star in the night sky. It has the Bayer designation β Crucis, which is Latinised to Beta Crucis and abbreviated Beta Cru or β Cru. Mimosa forms part of the prominent asterism called the Southern Cross. It is a triple star system.
Nomenclature
Excerpted from Wikipedia’s “Mimosa” article, available under the CC BY-SA 4.0 licence.