18152-2044 SNA 82 AD
18h 15m 12.91s -20° 43' 41.8" P.A. 108.00 sep 7.1 mag 5.16,12.18 Sp O9.7Iab dist. 10000 pc (32620 l.y.)
Coord 2000 |
18152-2044 |
|
Discov num |
SNA 82 |
|
Comp |
AD |
|
Coord arcsec 2000 |
18 15 12.91 -20 43 41.8 |
|
Date first |
2012 |
|
Date last |
2012 |
|
Obs |
1 |
|
Pa first |
108 |
|
Pa last |
108.4 |
|
P.A. Now (θ) |
108.4° |
|
Sep first |
7.1 |
|
Sep last |
7.05 |
|
Sep. Now (ρ) |
7.05" |
|
Mag pri |
5.16 |
|
Mag sec |
12.18 |
|
delta mag (ΔM) |
7.02 |
|
Spectral class |
O9.7Iab (blue) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-001 |
|
Sec motion dec |
|
|
Notes |
N
K
(See Notes, 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
Nature of this double is uncertain.
18152-2044 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
186543 |
18 15 13 -20 43 42 |
SNA 82 Aa,Ab |
2012 |
4 |
203 |
0.0 |
5.30 |
8.40 |
3.10 |
|
|
Show |
15 Sgr |
186543 |
18 15 13 -20 43 42 |
TOK 59 AB |
2013 |
5 |
77 |
1.3 |
5.40 |
10.60 |
5.20 |
|
|
Show |
|
186543 |
18 15 13 -20 43 42 |
SNA 82 AC |
2012 |
1 |
356 |
2.3 |
5.16 |
12.91 |
7.75 |
|
|
Show |
|
186543 |
18 15 13 -20 43 42 |
SNA 82 AD |
2012 |
1 |
108 |
7.1 |
5.16 |
12.18 |
7.02 |
|
<=== |
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
186543 |
|
HIP |
89439 |
|
Tycho2 |
6276-01023-1 |
|
Gaia DR2 |
4093968702062993664 |
|
HD |
167264 |
|
HR |
6822 |
|
GC |
24893 |
|
BD |
BD-20 5054 |
|
Flamsteed |
15 Sagittarii |
|
Flamsteed name |
15 Sgr |
|
Distance |
10000 |
|
Distance ly |
32620 |
|