18367-2019 HO 567 (HD 171611)
18h 36m 39.42s -20° 18' 50.2" P.A. 165.00 sep 1.3 mag 7.52,10.56 Sp B4IV dist. 471.7 pc (1538.69 l.y.)
| Coord 2000 |
18367-2019 |
|
Discov num |
HO 567 |
|
Comp |
|
|
Coord arcsec 2000 |
18 36 39.42 -20 18 50.2 |
|
| Date first |
1895 |
|
Date last |
1991 |
|
Obs |
8 |
|
| Pa first |
160 |
|
Pa last |
165.2 |
|
P.A. Now (θ) |
165.2° |
|
| Sep first |
1.2 |
|
Sep last |
1.25 |
|
Sep. Now (ρ) |
1.25" |
|
| Mag pri |
7.52 |
|
Mag sec |
10.56 |
|
delta mag (ΔM) |
3.04 |
|
Spectral class |
B4IV (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.947
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 171611 |
|
Constellation |
Sagittarius |
|
SAO |
187040 |
|
HIP |
91238 |
|
| Tycho2 |
6275-00286-1 |
|
Gaia DR2 |
4091794731419551744 |
|
HD |
171611 |
|
BD |
BD-20 5196 |
|
| Distance |
471.7 |
|
Distance ly |
1538.69 |
|