Coord 2000 | 02424+2001 | Discov num | BLA 1 | Comp | Aa,Ab | Coord arcsec 2000 | 02 42 21.92 +20 00 41.7 | ||||
Date first | 1975 | Date last | 2021 | Obs | 43 | ||||||
Pa first | 327 | Pa last | 61.7 | P.A. Now (θ) | 87.2° | ||||||
Sep first | 0.0 | Sep last | 0.033 | Sep. Now (ρ) | 0.052" | ||||||
Mag pri | 5.69 | Mag sec | 6.20 | delta mag (ΔM) | 0.51 | Spectral class | A0V (white) | ||||
Pri motion ra | +025 | Sec motion ra | |||||||||
Pri motion dec | -046 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 93062 | 02 42 22 +20 00 42 | BLA 1 Aa,Ab | 2021 | 43 | 62 | 0.0 | 5.69 | 6.20 | 0.51 | Y | <=== | |
Show | Mu Ari | 93062 | 02 42 22 +20 00 42 | BU 522 AB | 2017 | 12 | 265 | 18.6 | 5.69 | 12.20 | 6.51 | ||
Show | 02 42 22 +20 00 42 | OCC 9075 Ba,Bb | 1973 | 0 | -1 | 0.0 | 12.40 | 14.50 | 2.10 |
Constellation | Aries | SAO | 93062 | HIP | 12640 | Tycho2 | 1229-01969-1 | ||||
Gaia DR2 | 84944355647503360 | HD | 16811 | HR | 793 | GC | 3256 | ||||
ADS | 2062 | BD | BD+19 403 | Bayer | Mu Arietis | Bayer name | Mu Ari | ||||
Flamsteed | 34 Arietis | Flamsteed name | 34 Ari | Distance | 116.82 | Distance ly | 381.07 | ||||
Bayer greek | μ Ari |
Period (P) | 8.845y | ± 0.046 | Periastron (T) | 1981.099y | ± 0.063 | Semi-major axis (a) | 0.0563a | ± 0.0008 |
Eccentricity (e) | 0.337 | ± 0.023 | Inclination (i) | 71.2° | ± 1.1 | Longitude of periastron (ω) | 92.3° | ± 1.7 |
Node (Ω) | 101° | ± 1 | Notes | n | Reference | Msn1997a | ||
Equinox | 2000 | Last observation | 1996 | Grade | 2 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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