18490-0828 HDS 2666 Aa,Ab
18h 48m 59.03s -08° 27' 31.2" P.A. 257.00 sep 0.2 mag 8.08,9.59 Sp B2V dist. 617.28 pc (2013.57 l.y.)
Coord 2000 |
18490-0828 |
|
Discov num |
HDS2666 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 48 59.03 -08 27 31.2 |
|
Date first |
1991 |
|
Date last |
2017 |
|
Obs |
4 |
|
Pa first |
265 |
|
Pa last |
256.6 |
|
P.A. Now (θ) |
256.6° |
|
Sep first |
0.2 |
|
Sep last |
0.172 |
|
Sep. Now (ρ) |
0.172" |
|
Mag pri |
8.08 |
|
Mag sec |
9.59 |
|
delta mag (ΔM) |
1.51 |
|
Spectral class |
B2V (blue-white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
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 |
|
SAO |
142648 |
|
HIP |
92322 |
|
Tycho2 |
5693-02550-1 |
|
Gaia DR2 |
4251581980307272576 |
|
HD |
174069 |
|
BD |
BD-08 4714 |
|
Distance |
617.28 |
|
Distance ly |
2013.57 |
|