17122+2137 WFC 189
17h 12m 11.20s +21° 36' 39.2" P.A. 302.00 sep 6.6 mag 10.03,10.64
Coord 2000 |
17122+2137 |
|
Discov num |
WFC 189 |
|
Comp |
|
|
Coord arcsec 2000 |
17 12 11.20 +21 36 39.2 |
|
Date first |
1894 |
|
Date last |
2019 |
|
Obs |
18 |
|
Pa first |
302 |
|
Pa last |
301.9 |
|
P.A. Now (θ) |
301.9° |
|
Sep first |
6.8 |
|
Sep last |
6.59 |
|
Sep. Now (ρ) |
6.59" |
|
Mag pri |
10.03 |
|
Mag sec |
10.64 |
|
delta mag (ΔM) |
0.61 |
|
Spectral class |
|
|
Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1548-00092-1 |
|
Gaia DR2 |
4567923776314936704 |
|