18308+1803 BPMA 56
18h 30m 50.56s +18° 03' 04.5" P.A. 152.00 sep 293.6 mag 11.93,15.68
Coord 2000 |
18308+1803 |
|
Discov num |
BPMA 56 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 50.56 +18 03 04.5 |
|
Date first |
1996 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
154 |
|
Pa last |
152.4 |
|
P.A. Now (θ) |
152.4° |
|
Sep first |
295.0 |
|
Sep last |
293.581 |
|
Sep. Now (ρ) |
293.581" |
|
Mag pri |
11.93 |
|
Mag sec |
15.68 |
|
delta mag (ΔM) |
3.75 |
|
Spectral class |
|
|
Pri motion ra |
-040 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-030 |
|
Sec motion dec |
-016 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.626
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
4524178774190731136 |
|