Coord 2000 | 09207-0742 | Discov num | A 1082 | Comp | AB | Coord arcsec 2000 | 09 20 39.31 -07 41 56.0 | ||||
Date first | 1905 | Date last | 2019 | Obs | 23 | ||||||
Pa first | 160 | Pa last | 200.2 | P.A. Now (θ) | 200.2° | ||||||
Sep first | 0.8 | Sep last | 0.586 | Sep. Now (ρ) | 0.586" | ||||||
Mag pri | 9.30 | Mag sec | 10.40 | delta mag (ΔM) | 1.1 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | -135 | Sec motion ra | |||||||||
Pri motion dec | -014 | Sec motion dec | |||||||||
Notes | O (Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 80615 | 136771 | 09 20 39 -07 41 56 | A 1082 AB | 2019 | 23 | 200 | 0.6 | 9.30 | 10.40 | 1.10 | Y | <=== |
Show | 136773 | 09 20 44 -07 43 48 | BGH 4 CA | 2015 | 17 | 326 | 135.0 | 7.46 | 9.30 | 1.84 | |||
Show | 136773 | 09 20 44 -07 43 48 | TOK 527 CD | 2015 | 4 | 342 | 999.9 | 7.46 | 17.80 | 10.34 |
Name | HD 80615 | Constellation | Hydra | SAO | 136771 | Tycho2 | 5459-00108-1 | ||||
Gaia DR2 | 5744858885451276544 | HD | 80615 | ADS | 7316 |
Period (P) | 212.7y | Periastron (T) | 1987.66y | Semi-major axis (a) | 0.6a | |||
Eccentricity (e) | 0.644 | Inclination (i) | 127° | Longitude of periastron (ω) | 24.2° | |||
Node (Ω) | 5° | Notes | Reference | Doc2011d | ||||
Equinox | 2000 | Last observation | 2009 | 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 |
|