16541-4105 SNA 52 Aa,Ab
16h 54m 05.30s -41° 04' 46.1" P.A. 218.00 sep 0.0 mag 7.50,7.70 Sp O9.7V: dist. 2040.82 pc (6657.15 l.y.)
| Coord 2000 |
16541-4105 |
|
Discov num |
SNA 52 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
16 54 05.30 -41 04 46.1 |
|
| Date first |
2014 |
|
Date last |
2014 |
|
Obs |
3 |
|
| Pa first |
232 |
|
Pa last |
217.5 |
|
P.A. Now (θ) |
217.5° |
|
| Sep first |
0.0 |
|
Sep last |
0.003 |
|
Sep. Now (ρ) |
0.003" |
|
| Mag pri |
7.50 |
|
Mag sec |
7.70 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
O9.7V: (blue) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
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.
16541-4105 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
227381 |
16 54 05 -41 04 46 |
SNA 52 Aa,Ab |
2014 |
3 |
218 |
0.0 |
7.50 |
7.70 |
0.20 |
|
<=== |
| Show |
|
227381 |
16 54 05 -41 04 46 |
SNA 52 AB |
2012 |
1 |
307 |
3.7 |
6.82 |
14.10 |
7.28 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scorpius |
|
SAO |
227381 |
|
HIP |
82685 |
|
Tycho2 |
7872-01796-1 |
|
| Gaia DR2 |
5969564157008128512 |
|
HD |
152246 |
|
CD |
CD-4010884 |
|
CP |
CP-40 7570 |
|
| Distance |
2040.82 |
|
Distance ly |
6657.15 |
|
