How to support us
In Evidence
Other stars in Leo
- Regulus
- Denebola
- Zosma
- Algieba
- ε Leonis
- Chertan
- Adhafera
- η Leonis
- Subra
- γ2 Leonis
- ρ Leonis
- Rasalas
- ι Leonis
- σ Leonis
- υ Leonis
- Alterf
- 31 Leonis
- 60 Leonis
- κ Leonis
- φ Leonis
- 93 Leonis
- 72 Leonis
- χ Leonis
- π Leonis
- 61 Leonis
- 87 Leonis
- 40 Leonis
- 58 Leonis
- τ Leonis
- ξ Leonis
- 59 Leonis
- 10 Leonis
- 6 Leonis
- 48 Leonis
- 75 Leonis
- 92 Leonis
- ν Leonis
- 22 Leonis
- 73 Leonis
- 53 Leonis
- ψ Leonis
- 79 Leonis
- 37 Leonis
- ω Leonis
- 69 Leonis
- HR4253
- 46 Leonis
- 52 Leonis
- 51 Leonis
- 65 Leonis
- 86 Leonis
- 95 Leonis
- HR3820
- 81 Leonis
- 44 Leonis
- 18 Leonis
- 15 Leonis
- HR3952
- 49 Leonis
- 67 Leonis
- 8 Leonis
- 3 Leonis
- HR3942
- 85 Leonis
- 89 Leonis
- HR3876
- HR4358
- HR4404
- HR4465
- 56 Leonis
- 39 Leonis
- HR4032
- HR3926
- HR4531
- HR3850
- 55 Leonis
- 76 Leonis
- 62 Leonis
- 90 Leonis
- 35 Leonis
- HR4012
- HR4512
- HR3882
- HR4535
- HR4006
- HR3938
- 45 Leonis
- HR4394
- 43 Leonis
- 20 Leonis
- HR4249
- 42 Leonis
- HR4303
- HR4269
- HR4097
- 88 Leonis
- 13 Leonis
- HR4419
- HR3804
- HR4197
- HR3736
- HR3936
- HR4341
- 54 Leonis
- HR4245
- HR4543
- 7 Leonis
- HR4207
- HR3969
- 80 Leonis
- HR4244
- HR4048
- HR3723
- 34 Leonis
- HR4459
- 19 Leonis
- 23 Leonis
- 64 Leonis
- HR3869
- 83 Leonis
- HR4041
- HR3792
- HR4454
- HR4281
- HR4028
- HR4464
- HR4505
- HR4378
- HR4366
Rasalas - μ Leonis (mu Leonis)
Rasalas, also designated as μ Leonis (mu Leonis), is a giant star in the constellation of Leo.
Rasalas visual magnitude is 3.88. Because of its moderate brightness, Rasalas should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about Rasalas:
Celestial coordinates and finder chart of Rasalas
Rasalas is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Rasalas are provided in the following table:
The simplified sky map below shows the position of Rasalas in the sky:
Visibility of Rasalas from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's Rasalas - μ Leonis (mu Leonis) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Rasalas
The image below is a photograph of Rasalas from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Rasalas is -0.216 arcsec per year in Right Ascension and -0.056 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Rasalas from the Sun and relative movement
Rasalas is distant 132.95 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.
Spectral properties of Rasalas
Rasalas belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Rasalas is situated in the Hertzsprung–Russell diagram.
