Coord 2000 | 20210-1447 | Discov num | BLA 7 | Comp | Aa,Ab | Coord arcsec 2000 | 20 21 00.67 -14 46 53.0 | ||||
Date first | 1976 | Date last | 2021 | Obs | 15 | ||||||
Pa first | 49 | Pa last | 35.3 | P.A. Now (θ) | 100.2° | ||||||
Sep first | 0.0 | Sep last | 0.055 | Sep. Now (ρ) | 0.009" | ||||||
Mag pri | 3.10 | Mag sec | 4.90 | delta mag (ΔM) | 1.8 | Spectral class | F8V+A0 (yellow-white/white) | ||||
Pri motion ra | +042 | Sec motion ra | |||||||||
Pri motion dec | +002 | 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 | 163481 | 20 21 01 -14 46 53 | BLA 7 Aa,Ab | 2021 | 15 | 35 | 0.1 | 3.10 | 4.90 | 1.80 | Y | <=== | |
Show | Dabih | 163481 | 20 21 01 -14 46 53 | STFA 52 AB | 2016 | 42 | 266 | 205.2 | 3.15 | 6.08 | 2.93 | ||
Show | 163481 | 20 21 01 -14 46 53 | STFA 52 AC | 2012 | 11 | 133 | 226.1 | 3.15 | 8.83 | 5.68 | |||
Show | 163481 | 20 21 01 -14 46 53 | HJ 2948 AD | 2000 | 3 | 292 | 115.9 | 3.15 | 12.96 | 9.81 | |||
Show | 163471 | 20 20 47 -14 47 06 | BAR 12 Ba,Bb | 2021 | 30 | 52 | 0.4 | 6.16 | 9.14 | 2.98 | Y | ||
Show | 163471 | 20 20 47 -14 47 06 | STFA 52 BC | 2015 | 14 | 111 | 396.5 | 6.08 | 8.83 | 2.75 | |||
Show | 20 20 53 -14 46 09 | HJ 2948 DE | 2000 | 8 | 321 | 3.9 | 13.70 | 14.40 | 0.70 |
Common name | Dabih | Constellation | Capricornus | SAO | 163481 | HIP | 100345 | ||||
Tycho2 | 5753-02281-1 | Gaia DR2 | 6875990375998568192 | HD | 193495 | HR | 7776 | ||||
GC | 28295 | ADS | 13717 | BD | BD-15 5629 | Bayer | Beta Capricorni | ||||
Bayer name | Bet Cap | Flamsteed | 9 Capricorni | Flamsteed name | 9 Cap | FK5 | 762 | ||||
Distance | 100.2 | Distance ly | 326.85 | Bayer greek | β Cap |
Meaning | butcher |
Period (P) | 3.762y | ± 0 | Periastron (T) | 2015.64y | ± 0 | Semi-major axis (a) | 0.0487a | ± 0.001 |
Eccentricity (e) | 0.452 | ± 0.009 | Inclination (i) | 75.1° | ± 2 | Longitude of periastron (ω) | 124.2° | ± 1 |
Node (Ω) | 43.6° | ± 1.3 | Notes | n | Reference | Tok2020e | ||
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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