Coord 2000 | 20113-0049 |
Discov num | MKT 10 |
Comp | Aa,Ab |
Coord arcsec 2000 | 20 11 18.26 -00 49 17.3 |
||||
Date first | 1990 |
Date last | 1992 |
Obs | 21 |
||||||
Pa first | 57 |
Pa last | 179 |
P.A. Now (θ) | 179° |
||||||
Sep first | 0.0 |
Sep last | 0.0 |
Sep. Now (ρ) | 0" |
||||||
Mag pri | 3.23 |
Mag sec | delta mag (ΔM) | Spectral class | B9.5III (blue-white) |
||||||
Pri motion ra | +038 |
Sec motion ra | |||||||||
Pri motion dec | +004 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 144150 | 20113-0049 | MKT 10 | Aa,Ab | 1990 | 1992 | 21 | 179 | 0.0 | 3.23 | Y | <=== | |||
Show | 144150 | 20113-0049 | ISO 12 | Aa,Ac | 1987 | 1987 | 1 | 44 | 1.0 | 3.23 | |||||
Show | 65 Aql | 144150 | 20113-0049 | BU 1540 | AB | 1901 | 2008 | 4 | 259 | 115.8 | 3.23 | 13.00 | 9.77 |
Precise pa | 179 |
Precise sep | 0.001 |
Constellation | Aquila |
SAO | 144150 |
||||
HIP | 99473 |
HD | 191692 |
HR | 7710 |
GC | 28010 |
||||
Bayer | Theta Aquilae |
Bayer name | The Aql |
Flamsteed | 65 Aquilae |
Flamsteed name | 65 Aql |
||||
Distance | 87.8 |
Distance ly | 286.4 |
last precise pa | 179 |
last precise sep | 0.001 |
Period (P) | 17.122d | ± 0.001 | Periastron (T) | 47801.7d (1989.752y) | ± 0.1 | Semi-major axis (a) | 3.2m | ± 0.1 |
Eccentricity (e) | 0.6 | ± 0.02 | Inclination (i) | 143.5° | ± 3 | Longitude of periastron (ω) | 215° | ± 10 |
Node (Ω) | 99° | ± 5 | Note | Grade | 1 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 1992 |
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
|
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
![]() Measures: green=micrometric, blue=interferometric, purple=photographic |
|
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20113-0049 | MKT 10 | Aa,Ab | 1992 | 21 | 179 | 0.0 | 3.23 | B9.5III | NO | 201118.26-004917.3 |