18061-2412 SNA 81 Aa,Ab
18h 06m 04.67s -24° 11' 43.8" P.A. 116.00 sep 0.0 mag 7.30,10.10 Sp O8V
Coord 2000 |
18061-2412 |
|
Discov num |
SNA 81 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 06 04.67 -24 11 43.8 |
|
Date first |
2013 |
|
Date last |
2013 |
|
Obs |
1 |
|
Pa first |
116 |
|
Pa last |
116.2 |
|
P.A. Now (θ) |
116.2° |
|
Sep first |
0.0 |
|
Sep last |
0.031 |
|
Sep. Now (ρ) |
0.031" |
|
Mag pri |
7.30 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
O8V (blue) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
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.
18061-2412 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
186268 |
18 06 05 -24 11 44 |
SNA 81 Aa,Ab |
2013 |
1 |
116 |
0.0 |
7.30 |
10.10 |
2.80 |
|
<=== |
Show |
HD 165246 |
186268 |
18 06 05 -24 11 44 |
B 376 AB |
2013 |
3 |
97 |
1.9 |
7.20 |
11.20 |
4.00 |
|
|
Show |
|
186268 |
18 06 05 -24 11 44 |
SNA 81 AC |
2012 |
2 |
225 |
6.6 |
7.23 |
12.89 |
5.66 |
|
|
Show |
|
186268 |
18 06 05 -24 11 44 |
SNA 81 AD |
2012 |
1 |
8 |
7.9 |
7.23 |
13.21 |
5.98 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
186268 |
|
Tycho2 |
6842-01179-1 |
|
Gaia DR2 |
4066063754109686016 |
|
HD |
165246 |
|