Alkaline oops
|
Triple star μ Bootis / Alkalurops |
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|---|---|---|
| Observation data epoch : J2000.0 |
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| AladinLite | ||
| Constellation | Bear keeper | |
|
Vis. Brightness (total) |
4.18 likes | |
| Astrometry | ||
| distance | approx. 120 ly (approx. 37 pc ) |
|
| Individual data | ||
| Names | A / μ 1 , B / μ 2 , C / μ 2 | |
| Observation data: | ||
| Right ascension | A / μ 1 | 15 h 24 m 29 s |
| B / μ 2 | 15 h 24 m 31 s | |
| C / μ 2 | ||
| declination | A / μ 1 | + 37 ° 22 ′ 38 ″ |
| B / μ 2 | + 37 ° 20 ′ 50 ″ | |
| C / μ 2 | ||
|
Apparent brightness |
A / μ 1 | +4.31 m |
| B / μ 2 | +6.98 m | |
| C / μ 2 | +7.63 m | |
| Typing: | ||
| Spectral class | A / μ 1 | F0 |
| B / μ 2 | G1 | |
| C / μ 2 | G1 | |
| Designations and catalog entries | ||
| Bayer-Bez. | μ bootis | |
| Flamsteed-Bez. | 51 bootis | |
| Hipparcos catalog | HIP 75411 (A) / 75415 (BC) | |
| WDS catalog | WDS J15245 + 3723 | |
| ADS catalog | ADS 9626 | |
| Other names |
Struve 28 | |
| Bonn diam. | A / μ 1 | BD + 37 ° 2636 |
| B / μ 2 | BD + 37 ° 2637 | |
| C / μ 2 | BD + 37 ° 2637 | |
| Bright Star Cat. | A / μ 1 | HR 5733 |
| B / μ 2 | HR 5734 | |
| C / μ 2 | HR 5734 | |
| HD catalog | A / μ 1 | HD 137391 |
| B / μ 2 | HD 137392 | |
| C / μ 2 | HD 137392 | |
| SAO catalog | A / μ 1 | SAO 64686 |
| B / μ 2 | SAO 64687 | |
| C / μ 2 | SAO 64687 | |
| Tycho catalog | A / μ 1 | TYC 2570-1521-1 |
| B / μ 2 | TYC 2570-1518-1 | |
| C / μ 2 | TYC 2570-1518-1 | |
Alkalurops (from Arabic from ancient Greek καλαύροψ kalaurops , "shepherd's staff", as old star globes show) is the proper name of the star μ Bootis (My Bootis) in the Bear Guardian constellation . The star, which is mostly still visible in the city, is a triple star system . Its distance is about 120 light years .
Other names are: Clava, Icalurus, Inkalunis, Venabulum.