06451-1643 LEC 1 AC
06h 45m 08.92s -16° 42' 58.0" P.A. 30.00 sep 64.5 mag -1.47,12.60 Sp A1Vm dist. 2.64 pc (8.61 l.y.)
| Coord 2000 |
06451-1643 |
|
Discov num |
LEC 1 |
|
Comp |
AC |
|
Coord arcsec 2000 |
06 45 08.92 -16 42 58.0 |
|
| Date first |
1999 |
|
Date last |
1999 |
|
Obs |
1 |
|
| Pa first |
30 |
|
Pa last |
30.2 |
|
P.A. Now (θ) |
30.2° |
|
| Sep first |
64.5 |
|
Sep last |
64.46 |
|
Sep. Now (ρ) |
64.46" |
|
| Mag pri |
-1.47 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
14.07 |
|
Spectral class |
A1Vm (white) |
|
| Pri motion ra |
-055 |
|
Sec motion ra |
|
|
| Pri motion dec |
-122 |
|
Sec motion dec |
|
|
| Notes |
N
P
(See Notes, 100-year proper motion) |
|
Nature of this double is uncertain.
06451-1643 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Sirius |
151881 |
06 45 09 -16 42 58 |
AGC 1 AB |
2021 |
2062 |
67 |
11.3 |
-1.47 |
8.44 |
9.91 |
Y |
|
| Show |
|
151881 |
06 45 09 -16 42 58 |
LEC 1 AC |
1999 |
1 |
30 |
64.5 |
-1.47 |
12.60 |
14.07 |
|
<=== |
| Show |
|
151881 |
06 45 09 -16 42 58 |
AGC 1 AD |
1915 |
2 |
183 |
31.6 |
-1.47 |
14.00 |
15.47 |
|
|
| Show |
|
151881 |
06 45 09 -16 42 58 |
HL 3 AE |
2011 |
7 |
47 |
188.3 |
-1.47 |
14.50 |
15.97 |
|
|
| Show |
|
151881 |
06 45 09 -16 42 58 |
BU 1411 AF |
2011 |
7 |
61 |
125.7 |
-1.47 |
13.80 |
15.27 |
|
|
| Show |
|
|
06 45 09 -16 43 02 |
AGC 1 BC |
1929 |
7 |
129 |
1.4 |
8.44 |
12.60 |
4.16 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Sirius |
|
Constellation |
Canis Major |
|
SAO |
151881 |
|
HIP |
32349 |
|
| Tycho2 |
5949-02777-1 |
|
HD |
48915 |
|
HR |
2491 |
|
GC |
8833 |
|
| ADS |
5423 |
|
GL |
Gl 244A |
|
BD |
BD-16 1591 |
|
Bayer |
Alpha Canis Majoris |
|
| Bayer name |
Alp CMa |
|
Flamsteed |
9 Canis Majoris |
|
Flamsteed name |
9 CMa |
|
FK5 |
257 |
|
| Distance |
2.64 |
|
Distance ly |
8.61 |
|
Bayer greek |
α CMa |
|
| Other names |
Dog Star, Aschere, Canicula, Al Shira, Sothis, Alhabor, Mrgavyadha, Lubdhaka, Tenr?sei, Sirio, Lokabrenna |
|
