16544-4150 SNA 55 AD
16h 54m 25.95s -41° 49' 55.8" P.A. 326.00 sep 3.4 mag 6.93,12.63 Sp O8IV
| Coord 2000 |
16544-4150 |
|
Discov num |
SNA 55 |
|
Comp |
AD |
|
Coord arcsec 2000 |
16 54 25.95 -41 49 55.8 |
|
| Date first |
2011 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
324 |
|
Pa last |
325.7 |
|
P.A. Now (θ) |
325.7° |
|
| Sep first |
3.4 |
|
Sep last |
3.404 |
|
Sep. Now (ρ) |
3.404" |
|
| Mag pri |
6.93 |
|
Mag sec |
12.63 |
|
delta mag (ΔM) |
5.7 |
|
Spectral class |
O8IV (blue) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
N
V
K
(See Notes, Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
16544-4150 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 326331 |
|
16 54 26 -41 49 56 |
HJ 4893 AB |
2022 |
11 |
52 |
7.3 |
7.44 |
9.60 |
2.16 |
|
|
| Show |
|
|
16 54 26 -41 49 56 |
SNA 55 AC |
2011 |
1 |
40 |
1.1 |
6.93 |
12.92 |
5.99 |
|
|
| Show |
|
|
16 54 26 -41 49 56 |
SNA 55 AD |
2015 |
2 |
326 |
3.4 |
6.93 |
12.63 |
5.70 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
Tycho2 |
7876-02319-1 |
|
Gaia DR2 |
5966509267005564288 |
|
HD |
326331 |
|
