Skip to content
Mimosa

File:Crux_constellation_map.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ13105· pop 40· linked from 78 articles

Also 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

Wikidata facts

Mass
16
Image
Crux constellation map.png
Show 16 more facts
spectral class
B1
catalog code
ALS 14974
stellar rotational velocity
44
apparent magnitude
1.99
absolute magnitude
-3.41
right ascension
191.930286562
declination
-59.688771996
effective temperature
26650
parallax
11.71
radial velocity
15.0
metallicity
-0.08
surface gravity
10200
luminosity
34000
right ascension component of proper motion
-34
declination component of proper motion
-25
Commons category
Mimosa (star)
Sources (3)

via Wikidata · CC0

~6 min read

Article

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

Gallery (3)

Connections

Categories