Coord 2000 | 12250-0414 | Discov num | TOK 400 | Comp | AB | Coord arcsec 2000 | 12 24 58.94 -04 13 32.3 | ||||
Date first | 2014 | Date last | 2021 | Obs | 10 | ||||||
Pa first | 71 | Pa last | 165.9 | P.A. Now (θ) | 165.9° | ||||||
Sep first | 0.2 | Sep last | 0.117 | Sep. Now (ρ) | 0.117" | ||||||
Mag pri | 8.10 | Mag sec | 11.90 | delta mag (ΔM) | 3.8 | Spectral class | G5V (yellow) | ||||
Pri motion ra | -124 | Sec motion ra | |||||||||
Pri motion dec | -210 | 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 | HD 108081 | 138762 | 12 24 59 -04 13 32 | TOK 400 AB | 2021 | 10 | 166 | 0.1 | 8.10 | 11.90 | 3.80 | Y | <=== |
Show | 138762 | 12 24 59 -04 13 32 | NSN 123 AC | 2015 | 2 | 190 | 6.2 | 8.79 | 15.92 | 7.13 |
Name | HD 108081 | Constellation | Virgo | SAO | 138762 | HIP | 60574 | ||||
Tycho2 | 4944-00750-1 | HD | 108081 | GC | 16925 | GL | NN 3723 | ||||
BD | BD-03 3280 | Distance | 46.62 | Distance ly | 152.07 |
Period (P) | 27.9y | ± 6.4 | Periastron (T) | 2018.65y | ± 0.05 | Semi-major axis (a) | 0.238a | ± 0.035 |
Eccentricity (e) | 0.656 | ± 0.054 | Inclination (i) | 129.5° | ± 2.4 | Longitude of periastron (ω) | 173.8° | ± 2.8 |
Node (Ω) | 98.3° | ± 3.5 | Notes | n | Reference | Tok2021f | ||
Equinox | Last observation | 2021 | Grade | 4 | (1=Definitive, 9=Indet.) |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|