18108-1709 HU 195 AB (HD 166305)
18h 10m 45.10s -17° 08' 38.5" P.A. 71.00 sep 1.3 mag 8.62,10.79 Sp G8/K0III
| Coord 2000 |
18108-1709 |
|
Discov num |
HU 195 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 10 45.10 -17 08 38.5 |
|
| Date first |
1900 |
|
Date last |
1991 |
|
Obs |
4 |
|
| Pa first |
73 |
|
Pa last |
70.5 |
|
P.A. Now (θ) |
70.5° |
|
| Sep first |
1.1 |
|
Sep last |
1.312 |
|
Sep. Now (ρ) |
1.312" |
|
| Mag pri |
8.62 |
|
Mag sec |
10.79 |
|
delta mag (ΔM) |
2.17 |
|
Spectral class |
G8/K0III (yellow) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-041 |
|
Sec motion dec |
-041 |
|
| Notes |
|
|
Nature of this double is uncertain.
18108-1709 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166305 |
161146 |
18 10 45 -17 08 38 |
HU 195 AB |
1991 |
4 |
71 |
1.3 |
8.62 |
10.79 |
2.17 |
|
<=== |
| Show |
|
161146 |
18 10 45 -17 08 38 |
HJ 593 AC |
2018 |
17 |
312 |
19.8 |
8.62 |
9.60 |
0.98 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166305 |
|
Constellation |
Sagittarius |
|
SAO |
161146 |
|
Tycho2 |
6268-01365-1 |
|
| Gaia DR2 |
4096020566859972608 |
|
HD |
166305 |
|
