18490-0828 STF 2388 BC
18h 48m 58.04s -08° 26' 39.2" P.A. 18.00 sep 21.1 mag 10.94,11.24 Sp B9V+
| Coord 2000 |
18490-0828 |
|
Discov num |
STF2388 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 48 58.04 -08 26 39.2 |
|
| Date first |
1892 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
19 |
|
Pa last |
17.6 |
|
P.A. Now (θ) |
17.6° |
|
| Sep first |
21.6 |
|
Sep last |
21.13 |
|
Sep. Now (ρ) |
21.13" |
|
| Mag pri |
10.94 |
|
Mag sec |
11.24 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
B9V+ (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-006 |
|
| Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.566
This double is not physical.
18490-0828 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
142648 |
18 48 59 -08 27 31 |
HDS 2666 Aa,Ab |
2017 |
4 |
257 |
0.2 |
8.08 |
9.59 |
1.51 |
|
|
| Show |
HD 174069 |
142648 |
18 48 59 -08 27 31 |
STF 2388 AB |
2016 |
13 |
344 |
53.6 |
7.81 |
10.94 |
3.13 |
|
|
| Show |
|
142648 |
18 48 59 -08 27 31 |
ABH 105 AD |
2016 |
10 |
157 |
43.8 |
7.81 |
12.62 |
4.81 |
|
|
| Show |
|
142648 |
18 48 59 -08 27 31 |
ABH 105 AE |
2016 |
9 |
275 |
72.2 |
7.81 |
12.93 |
5.12 |
|
|
| Show |
|
|
18 48 58 -08 26 39 |
STF 2388 BC |
2016 |
14 |
18 |
21.1 |
10.94 |
11.24 |
0.30 |
|
<=== |
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Scutum |
|
Tycho2 |
5693-03523-1 |
|
Gaia DR2 |
4251582147723510144 |
|
