17490+4722 BVD 256
17h 49m 01.83s +47° 22' 01.2" P.A. 239.00 sep 25.4 mag 11.80,18.00
Coord 2000 |
17490+4722 |
|
Discov num |
BVD 256 |
|
Comp |
|
|
Coord arcsec 2000 |
17 49 01.83 +47 22 01.2 |
|
Date first |
1998 |
|
Date last |
2014 |
|
Obs |
5 |
|
Pa first |
239 |
|
Pa last |
238.9 |
|
P.A. Now (θ) |
238.9° |
|
Sep first |
25.4 |
|
Sep last |
25.429 |
|
Sep. Now (ρ) |
25.429" |
|
Mag pri |
11.80 |
|
Mag sec |
18.00 |
|
delta mag (ΔM) |
6.2 |
|
Spectral class |
|
|
Pri motion ra |
-034 |
|
Sec motion ra |
-034 |
|
Pri motion dec |
+064 |
|
Sec motion dec |
+064 |
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
3515-01683-1 |
|