18191-2644 B 387 AB (HD 168085)
18h 19m 05.86s -26° 44' 18.3" P.A. 37.00 sep 8.5 mag 10.15,10.93 Sp B9V
| Coord 2000 |
18191-2644 |
|
Discov num |
B 387 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 19 05.86 -26 44 18.3 |
|
| Date first |
1912 |
|
Date last |
2019 |
|
Obs |
9 |
|
| Pa first |
35 |
|
Pa last |
37.4 |
|
P.A. Now (θ) |
37.4° |
|
| Sep first |
10.3 |
|
Sep last |
8.53 |
|
Sep. Now (ρ) |
8.53" |
|
| Mag pri |
10.15 |
|
Mag sec |
10.93 |
|
delta mag (ΔM) |
0.78 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.259 (< 0.3, Physical double)
This double is physical.
18191-2644 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 168085 |
186637 |
18 19 06 -26 44 18 |
B 387 AB |
2019 |
9 |
37 |
8.5 |
10.15 |
10.93 |
0.78 |
|
<=== |
| Show |
|
|
18 19 06 -26 44 12 |
B 387 BC |
2016 |
4 |
164 |
0.8 |
10.93 |
11.46 |
0.53 |
|
|
| Show |
|
|
18 19 06 -26 44 12 |
B 387 BD |
1999 |
2 |
321 |
4.7 |
10.93 |
14.90 |
3.97 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168085 |
|
Constellation |
Sagittarius |
|
SAO |
186637 |
|
Tycho2 |
6852-05207-1 |
|
| Gaia DR2 |
4052580133764805248 |
|
HD |
168085 |
|
ADS |
11245 |
|
