18340-1929 B 1887 (HD 171172)
18h 33m 58.70s -19° 28' 44.5" P.A. 283.00 sep 2.2 mag 10.05,10.63 Sp F5V
| Coord 2000 |
18340-1929 |
|
Discov num |
B 1887 |
|
Comp |
|
|
Coord arcsec 2000 |
18 33 58.70 -19 28 44.5 |
|
| Date first |
1930 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
286 |
|
Pa last |
283 |
|
P.A. Now (θ) |
283° |
|
| Sep first |
2.3 |
|
Sep last |
2.236 |
|
Sep. Now (ρ) |
2.236" |
|
| Mag pri |
10.05 |
|
Mag sec |
10.63 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+000 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=1.118
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 171172 |
|
Constellation |
Sagittarius |
|
SAO |
161607 |
|
Tycho2 |
6275-00678-1 |
|
| Gaia DR2 |
4092458355422802560 |
|
HD |
171172 |
|
