Coord 2000 | 17336-3706 | Discov num | TNG 1 | Comp | Aa,Ab | Coord arcsec 2000 | 17 33 36.52 -37 06 13.8 | ||||
Date first | 1999 | Date last | 2021 | Obs | 39 | ||||||
Pa first | 266 | Pa last | 98.4 | P.A. Now (θ) | 98.4° | ||||||
Sep first | 0.0 | Sep last | 0.046 | Sep. Now (ρ) | 0.046" | ||||||
Mag pri | 2.08 | Mag sec | 2.73 | delta mag (ΔM) | 0.65 | Spectral class | B2IV (blue-white) | ||||
Pri motion ra | -001 | Sec motion ra | |||||||||
Pri motion dec | -029 | 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 | 208954 | 17 33 37 -37 06 14 | TNG 1 Aa,Ab | 2021 | 39 | 98 | 0.0 | 2.08 | 2.73 | 0.65 | Y | <=== | |
Show | 208954 | 17 33 37 -37 06 14 | SEE 334 AB | 2000 | 2 | 106 | 42.4 | 1.60 | 14.90 | 13.30 | |||
Show | Shaula | 208954 | 17 33 37 -37 06 14 | DUN 218 AC | 2016 | 9 | 330 | 94.4 | 1.60 | 9.17 | 7.57 |
Common name | Shaula | Constellation | Scorpius | SAO | 208954 | HIP | 85927 | ||||
Tycho2 | 7388-01093-1 | HD | 158926 | HR | 6527 | GC | 23769 | ||||
CD | CD-3711673 | CP | CP-37 7265 | Bayer | Lambda Scorpii | Bayer name | Lam Sco | ||||
Flamsteed | 35 Scorpii | Flamsteed name | 35 Sco | FK5 | 652 | Distance | 175.13 | ||||
Distance ly | 571.27 | Bayer greek | λ Sco |
Meaning | tail lift |
Period (P) | 1052.8d (2.88y) | ± 1.2 | Periastron (T) | 51562.3m (2000.05y) | ± 2.8 | Semi-major axis (a) | 49.3m | ± 0.3 |
Eccentricity (e) | 0.121 | ± 0.005 | Inclination (i) | 77.2° | ± 0.2 | Longitude of periastron (ω) | 74.8° | ± 0.9 |
Node (Ω) | 271.3° | ± 0.15 | Notes | n | Reference | Tng2006 | ||
Equinox | Last observation | 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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