07241-2918 SMY 2 (Aludra)
07h 24m 05.70s -29° 18' 11.2" P.A. 287.00 sep 177.0 mag 2.45,6.77 Sp B5Ia dist. 609.76 pc (1989.04 l.y.)
| Coord 2000 |
07241-2918 |
|
Discov num |
SMY 2 |
|
Comp |
|
|
Coord arcsec 2000 |
07 24 05.70 -29 18 11.2 |
|
| Date first |
1833 |
|
Date last |
2020 |
|
Obs |
16 |
|
| Pa first |
285 |
|
Pa last |
286.7 |
|
P.A. Now (θ) |
286.7° |
|
| Sep first |
169.0 |
|
Sep last |
177.004 |
|
Sep. Now (ρ) |
177.004" |
|
| Mag pri |
2.45 |
|
Mag sec |
6.77 |
|
delta mag (ΔM) |
4.32 |
|
Spectral class |
B5Ia (blue-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
-001 |
|
| Notes |
N
(See Notes) |
|
rPM=0.905
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Aludra |
|
Constellation |
Canis Major |
|
SAO |
173651 |
|
HIP |
35904 |
|
| Tycho2 |
6550-04525-1 |
|
Gaia DR2 |
5605797190260657152 |
|
HD |
58350 |
|
HR |
2827 |
|
| GC |
9881 |
|
CD |
CD-29 4328 |
|
CP |
CP-29 1680 |
|
Bayer |
Eta Canis Majoris |
|
| Bayer name |
Eta CMa |
|
Flamsteed |
31 Canis Majoris |
|
Flamsteed name |
31 CMa |
|
FK5 |
283 |
|
| Distance |
609.76 |
|
Distance ly |
1989.04 |
|
Bayer greek |
η CMa |
|
