Coord 2000 | 14396-6050 |
Discov num | RHD 1 |
Comp | AB |
Coord arcsec 2000 | 14 39 36.50 -60 50 02.3 |
||||
Date first | 1752 |
Date last | 2019 |
Obs | 480 |
||||||
Pa first | 218 |
Pa last | 344 |
P.A. Now (θ) | 352.1° |
||||||
Sep first | 20.5 |
Sep last | 5.3 |
Sep. Now (ρ) | 6.12" |
||||||
Mag pri | -0.01 |
Mag sec | 1.33 |
delta mag (ΔM) | 1.34 |
Spectral class | G2V+K1V (yellow/yellow-orange) |
||||
Pri motion ra | -368 |
Sec motion ra | |||||||||
Pri motion dec | +047 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Rigel Kentaurus | 252838 | 14 39 36 -60 50 02 | RHD 1 AB | 2019 | 480 | 352 | 6.1 | -0.01 | 1.33 | 1.34 | Y | <=== |
Show | 252838 | 14 39 36 -60 50 02 | LDS 494 AC | 2000 | 3 | 212 | 999.9 | 0.14 | 12.70 | 12.56 | |||
Show | Proxima Centauri | 14 29 43 -62 40 46 | SCZ 1 Ca,Cb | 1996 | 2 | 100 | 0.3 | 11.10 | 18.00 | 6.90 |
Precise pa | 343.7 |
Precise sep | 5.279 |
Common name | Rigel Kentaurus |
Meaning | foot of the centaur |
||||
Other names | RIGEL KENT, RIGIL KENTAURUS, TOLIMAN |
Constellation | Centaurus |
SAO | 252838 |
HIP | 71683 |
||||
Gaia DR2 | 5877748648286736896 |
HD | 128620 |
HR | 5459 |
GC | 19728 |
||||
GL | Gl 559A |
Bayer | Alpha Centauri |
Bayer name | Alp Cen |
Distance | 1.32 |
||||
Distance ly | 4.31 |
last precise pa | 343.7 |
last precise sep | 5.279 |
Period (P) | 79.91y | ± 0.013 | Periastron (T) | 1955.66y | ± 0.014 | Semi-major axis (a) | 17.66a | ± 0.026 |
Eccentricity (e) | 0.524 | ± 0.0011 | Inclination (i) | 79.32° | ± 0.044 | Longitude of periastron (ω) | 232.3° | ± 0.11 |
Node (Ω) | 204.75° | ± 0.087 | Note | Grade | 2 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2014 |
|
|
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 |
14396-6050 | RHD 1 | AB | 2007 | 438 | 236 | 8.8 | 0.14 | 1.24 | G2V K1V | NODP | 143940.90-605006.5 |
14396-6050 | RHD 1 | AB | 2008 | 442 | 240 | 7.8 | 0.14 | 1.24 | G2V K1V | NODP | 143940.90-605006.5 |
14396-6050 | RHD 1 | AB | 2009 | 443 | 244 | 7.0 | 0.14 | 1.24 | G2V K1V | NODP | 143940.90-605006.5 |
14396-6050 | RHD 1 | AB | 2012 | 444 | 255 | 5.0 | 0.14 | 1.24 | G2V K1V | NODP | 143940.90-605006.5 |
14396-6050 | RHD 1 | AB | 2013 | 446 | 263 | 5.1 | -0.01 | 1.33 | G2V+K1V | NODP | 143940.90-605006.5 |
14396-6050 | RHD 1 | AB | 2014 | 447 | 279 | 4.3 | -0.01 | 1.33 | G2V+K1V | NODP | 143940.90-605006.5 |
14396-6050 | RHD 1 | AB | 2016 | 458 | 313 | 4.1 | -0.01 | 1.33 | G2V+K1V | NO P | 143936.50-605002.3 |
14396-6050 | RHD 1 | AB | 2017 | 461 | 324 | 4.2 | -0.01 | 1.33 | G2V+K1V | NO P | 143936.50-605002.3 |