Rho Ursae Majoris
From Infogalactic: the planetary knowledge core
 Location of ρ Ursae Majoris (circled) |
|
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Ursa Major |
| Right ascension | 09h 02m 32.7s |
| Declination | +67° 37' 47" |
| Apparent magnitude (V) | +4.74 |
| Characteristics | |
| Spectral type | M3III-IIIbCa1 |
| Astrometry | |
| Distance | 287 ± 16 ly (88 ± 5 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
Rho Ursae Majoris (Rho UMa, ρ Ursae Majoris, ρ UMa) is a star in the constellation Ursa Major.
Rho Ursae Majoris is a M-type red giant with an apparent magnitude of +4.74. It is approximately 287 light years from Earth.
Naming
In Chinese, 三師 (Sān Shī), meaning Three Top Instructors, refers to an asterism consisting of ρ Ursae Majoris and σ2 Ursae Majoris. Consequently, ρ Ursae Majoris itself is known as 三師一 (Sān Shī yī, English: the First Star of Three Top Instructors.).[1]
References
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