17171+4540 DVG 2
17h 17m 08.07s +45° 39' 31.9" P.A. 256.00 sep 22.6 mag 11.70,11.80
Coord 2000 |
17171+4540 |
|
Discov num |
DVG 2 |
|
Comp |
|
|
Coord arcsec 2000 |
17 17 08.07 +45 39 31.9 |
|
Date first |
1893 |
|
Date last |
2016 |
|
Obs |
19 |
|
Pa first |
257 |
|
Pa last |
256.1 |
|
P.A. Now (θ) |
256.1° |
|
Sep first |
22.7 |
|
Sep last |
22.6 |
|
Sep. Now (ρ) |
22.6" |
|
Mag pri |
11.70 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
+012 |
|
Sec motion ra |
+122 |
|
Pri motion dec |
-029 |
|
Sec motion dec |
-033 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.871
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
3508-01107-1 |
|
Gaia DR2 |
1361633589226494720 |
|