Coord 2000 | 01546+2049 |
Discov num | MKT 3 |
Comp | Coord arcsec 2000 | 01 54 38.35 +20 48 29.9 |
|||||
Date first | 1988 |
Date last | 2005 |
Obs | 15 |
||||||
Pa first | 93 |
Pa last | 113 |
P.A. Now (θ) | 113° |
||||||
Sep first | 0.1 |
Sep last | 0.0 |
Sep. Now (ρ) | 0" |
||||||
Mag pri | 2.60 |
Mag sec | 5.20 |
delta mag (ΔM) | 2.6 |
Spectral class | A5V (white) |
||||
Pri motion ra | +097 |
Sec motion ra | |||||||||
Pri motion dec | -108 |
Sec motion dec | |||||||||
Notes |
Precise pa | 112.7 |
Precise sep | 0.027 |
Name | Bet Ari |
Constellation | Aries |
||||
SAO | 75012 |
HIP | 8903 |
Gaia DR2 | 356001024 |
HD | 11636 |
||||
HR | 553 |
GC | 2309 |
GL | Gl 80 |
BD | BD+20 306 |
||||
Bayer | Beta Arietis |
Bayer name | Bet Ari |
Flamsteed | 6 Arietis |
Flamsteed name | 6 Ari |
||||
Distance | 17.99 |
Distance ly | 58.68 |
last precise pa | 112.7 |
last precise sep | 0.027 |
Period (P) | 106.99442d | ± 0.00069 | Periastron (T) | 44809.1016d (1981.559y) | ± 0.0066 | Semi-major axis (a) | 36m | ± 0.54 |
Eccentricity (e) | 0.8801 | ± 0.0008 | Inclination (i) | 47.5° | ± 0.54 | Longitude of periastron (ω) | 204.9° | ± 0.33 |
Node (Ω) | 83.3° | ± 0.27 | Note | Grade | 2 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation |
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 |
01546+2049 | MKT 3 | 1988 | 14 | 113 | 0.0 | 2.64 | A5V | NO | 015438.35+204829.9 | ||
01546+2049 | MKT 3 | 2005 | 15 | 113 | 0.0 | 2.64 | A5V | NO | 015438.35+204829.9 |