| Coord 2000 | 09544+3041 |
Discov num | COU1258 |
Comp | Coord arcsec 2000 | 09 54 24.02 +30 41 18.1 |
|||||
| Date first | 1975 |
Date last | 2015 |
Obs | 14 |
||||||
| Pa first | 52 |
Pa last | 230 |
P.A. Now (θ) | 232.4° |
||||||
| Sep first | 0.2 |
Sep last | 0.2 |
Sep. Now (ρ) | 0.2" |
||||||
| Mag pri | 9.92 |
Mag sec | 9.13 |
delta mag (ΔM) | 0.79 |
Spectral class | F5 (yellow-white) |
||||
| Pri motion ra | -026 |
Sec motion ra | |||||||||
| Pri motion dec | -038 |
Sec motion dec | |||||||||
| Notes | O
(Orbital solution) |
||||||||||
| Precise pa | 229.8 |
Precise sep | 0.171 |
Constellation | Leo |
SAO | 61748 |
||||
| HIP | 48572 |
Tycho2 | 2502-00804-1 |
Gaia DR2 | 744874185280916224 |
HD | 85708 |
||||
| BD | BD+31 2066 |
Distance | 146.63 |
Distance ly | 478.31 |
last precise pa | 229.8 |
||||
| last precise sep | 0.171 |
| Period (P) | 96y | ± 13 | Periastron (T) | 2096y | ± 39 | Semi-major axis (a) | 0.198a | ± 0.017 |
| Eccentricity (e) | 0.237 | ± 0.092 | Inclination (i) | 85.29° | ± 0.87 | Longitude of periastron (ω) | 259° | ± 44 |
| Node (Ω) | 232° | ± 26 | Note | Grade | 4 | (1=Definitive, 9=Indet.) | ||
| Equinox | 2000 | Last observation | 2015 |
|
|
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 |
| 09544+3041 | COU1258 | 1993 | 11 | 55 | 0.1 | 9.92 | 9.13 | F5 | 095424.02+304118.1 | ||
| 09544+3041 | COU1258 | 2015 | 13 | 230 | 0.2 | 9.92 | 9.13 | F5 | O | 095424.02+304118.1 |