18099+0307 BU 637 AB (HD 166285)
18h 09m 54.01s +03° 07' 13.1" P.A. 191.00 sep 7.2 mag 5.69,11.70 Sp F6V+K3 dist. 46.93 pc (153.09 l.y.)
Coord 2000 |
18099+0307 |
|
Discov num |
BU 637 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 09 54.01 +03 07 13.1 |
|
Date first |
1878 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
195 |
|
Pa last |
191.3 |
|
P.A. Now (θ) |
191.3° |
|
Sep first |
7.3 |
|
Sep last |
7.169 |
|
Sep. Now (ρ) |
7.169" |
|
Mag pri |
5.69 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
6.01 |
|
Spectral class |
F6V+K3 (yellow-white/yellow-orange) |
|
Pri motion ra |
+019 |
|
Sec motion ra |
|
|
Pri motion dec |
-192 |
|
Sec motion dec |
|
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
18099+0307 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
123198 |
18 09 54 +03 07 13 |
YSC 132 Aa,Ab |
2021 |
21 |
357 |
0.0 |
6.10 |
7.10 |
1.00 |
Y |
|
Show |
HD 166285 |
123198 |
18 09 54 +03 07 13 |
BU 637 AB |
2016 |
14 |
191 |
7.2 |
5.69 |
11.70 |
6.01 |
|
<=== |
Show |
|
123198 |
18 09 54 +03 07 13 |
BU 637 AC |
2000 |
6 |
245 |
98.2 |
5.69 |
10.90 |
5.21 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 166285 |
|
Constellation |
Ophiuchus |
|
SAO |
123198 |
|
HIP |
89000 |
|
Tycho2 |
0435-04799-1 |
|
Gaia DR2 |
4469921487441710208 |
|
HD |
166285 |
|
HR |
6797 |
|
GC |
24764 |
|
ADS |
11113 |
|
BD |
BD+03 3613 |
|
Distance |
46.93 |
|
Distance ly |
153.09 |
|