17516+4722 BEM 9012
17h 51m 36.71s +47° 21' 36.5" P.A. 142.00 sep 4.5 mag 12.30,12.60
Coord 2000 |
17516+4722 |
|
Discov num |
BEM9012 |
|
Comp |
|
|
Coord arcsec 2000 |
17 51 36.71 +47 21 36.5 |
|
Date first |
1901 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
131 |
|
Pa last |
141.5 |
|
P.A. Now (θ) |
141.5° |
|
Sep first |
4.1 |
|
Sep last |
4.493 |
|
Sep. Now (ρ) |
4.493" |
|
Mag pri |
12.30 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
-031 |
|
Sec motion ra |
+020 |
|
Pri motion dec |
+049 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=1.358
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
1362958157140698752 |
|