18532-1121 A 1889 A,BC (HD 174887)
18h 53m 14.67s -11° 21' 02.6" P.A. 32.00 sep 61.5 mag 8.36,11.13 Sp B9 dist. 240.96 pc (786.01 l.y.)
Coord 2000 |
18532-1121 |
|
Discov num |
A 1889 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
18 53 14.67 -11 21 02.6 |
|
Date first |
1907 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
32 |
|
Pa last |
31.5 |
|
P.A. Now (θ) |
31.5° |
|
Sep first |
61.8 |
|
Sep last |
61.485 |
|
Sep. Now (ρ) |
61.485" |
|
Mag pri |
8.36 |
|
Mag sec |
11.13 |
|
delta mag (ΔM) |
2.77 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
+017 |
|
Sec motion dec |
+016 |
|
Notes |
|
|
rPM=0.056 (< 0.3, Physical double)
This double is physical.
18532-1121 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 174887 |
161939 |
18 53 15 -11 21 03 |
A 1889 A,BC |
2015 |
12 |
32 |
61.5 |
8.36 |
11.13 |
2.77 |
|
<=== |
Show |
|
|
18 53 17 -11 20 10 |
A 1889 BC |
2015 |
4 |
119 |
0.8 |
11.70 |
12.00 |
0.30 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 174887 |
|
Constellation |
Scutum |
|
SAO |
161939 |
|
HIP |
92695 |
|
Tycho2 |
5701-00074-1 |
|
Gaia DR2 |
4202141134262847232 |
|
HD |
174887 |
|
BD |
BD-11 4795 |
|
Distance |
240.96 |
|
Distance ly |
786.01 |
|