17178-1940 BHA 18
17h 17m 50.58s -19° 39' 56.0" P.A. 40.00 sep 6.0 mag 11.49,11.90
| Coord 2000 |
17178-1940 |
|
Discov num |
BHA 18 |
|
Comp |
|
|
Coord arcsec 2000 |
17 17 50.58 -19 39 56.0 |
|
| Date first |
1917 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
41 |
|
Pa last |
39.5 |
|
P.A. Now (θ) |
39.5° |
|
| Sep first |
5.3 |
|
Sep last |
5.97 |
|
Sep. Now (ρ) |
5.97" |
|
| Mag pri |
11.49 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+059 |
|
| Pri motion dec |
-019 |
|
Sec motion dec |
+074 |
|
| Notes |
|
|
rPM=1.181
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
6241-00367-1 |
|
Gaia DR2 |
4122229281963099904 |
|