18105-1745 J 2197 AB (HD 166261)
18h 10m 31.98s -17° 45' 27.3" P.A. 109.00 sep 72.6 mag 8.04,11.39 Sp B9V
| Coord 2000 |
18105-1745 |
|
Discov num |
J 2197 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 10 31.98 -17 45 27.3 |
|
| Date first |
1916 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
107 |
|
Pa last |
109 |
|
P.A. Now (θ) |
109° |
|
| Sep first |
78.8 |
|
Sep last |
72.595 |
|
Sep. Now (ρ) |
72.595" |
|
| Mag pri |
8.04 |
|
Mag sec |
11.39 |
|
delta mag (ΔM) |
3.35 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=1.166
This double is not physical.
18105-1745 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166261 |
161136 |
18 10 32 -17 45 27 |
J 2197 AB |
2015 |
6 |
109 |
72.6 |
8.04 |
11.39 |
3.35 |
|
<=== |
| Show |
|
|
18 10 37 -17 45 51 |
J 2197 BC |
2015 |
8 |
82 |
6.2 |
11.39 |
11.40 |
0.01 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166261 |
|
Constellation |
Sagittarius |
|
SAO |
161136 |
|
Tycho2 |
6268-01322-1 |
|
| Gaia DR2 |
4095909447467957376 |
|
HD |
166261 |
|
