04564+1331 BU 553 AC
04h 56m 22.32s +13° 30' 52.5" P.A. 71.00 sep 106.0 mag 4.21,12.07 Sp K2III dist. 57.01 pc (185.97 l.y.)
| Coord 2000 |
04564+1331 |
|
Discov num |
BU 553 |
|
Comp |
AC |
|
Coord arcsec 2000 |
04 56 22.32 +13 30 52.5 |
|
| Date first |
1908 |
|
Date last |
2013 |
|
Obs |
6 |
|
| Pa first |
68 |
|
Pa last |
71.3 |
|
P.A. Now (θ) |
71.3° |
|
| Sep first |
99.4 |
|
Sep last |
106 |
|
Sep. Now (ρ) |
106" |
|
| Mag pri |
4.21 |
|
Mag sec |
12.07 |
|
delta mag (ΔM) |
7.86 |
|
Spectral class |
K2III (yellow-orange) |
|
| Pri motion ra |
-075 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-044 |
|
Sec motion dec |
-033 |
|
| Notes |
N
(See Notes) |
|
rPM=0.997
This double is not physical.
04564+1331 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Omi2 Ori |
94218 |
04 56 22 +13 30 52 |
BU 553 AB |
2012 |
10 |
51 |
41.7 |
4.21 |
11.30 |
7.09 |
|
|
| Show |
|
94218 |
04 56 22 +13 30 52 |
BU 553 AC |
2013 |
6 |
71 |
106.0 |
4.21 |
12.07 |
7.86 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Orion |
|
SAO |
94218 |
|
HIP |
22957 |
|
Tycho2 |
0696-01790-1 |
|
| Gaia DR2 |
3296329370376903296 |
|
HD |
31421 |
|
HR |
1580 |
|
GC |
6025 |
|
| ADS |
3540 |
|
BD |
BD+13 740 |
|
Bayer |
Omicron 2 Orionis |
|
Bayer name |
Omi2 Ori |
|
| Flamsteed |
9 Orionis |
|
Flamsteed name |
9 Ori |
|
Distance |
57.01 |
|
Distance ly |
185.97 |
|
| Bayer greek |
ο2 Ori |
|
