17316+3334 OSW 31
17h 31m 37.35s +33° 34' 08.1" P.A. 255.00 sep 16.8 mag 16.60,18.50 Sp F9+K1
| Coord 2000 |
17316+3334 |
|
Discov num |
OSW 31 |
|
Comp |
|
|
Coord arcsec 2000 |
17 31 37.35 +33 34 08.1 |
|
| Date first |
1954 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
254 |
|
Pa last |
254.7 |
|
P.A. Now (θ) |
254.7° |
|
| Sep first |
16.7 |
|
Sep last |
16.776 |
|
Sep. Now (ρ) |
16.776" |
|
| Mag pri |
16.60 |
|
Mag sec |
18.50 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
F9+K1 (yellow-white/yellow-orange) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-010 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.203 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4602058389674086272 |
|
