18302+1909 GWP 2780
18h 30m 10.27s +19° 08' 30.3" P.A. 298.00 sep 57.8 mag 11.90,14.40
Coord 2000 |
18302+1909 |
|
Discov num |
GWP2780 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 10.27 +19 08 30.3 |
|
Date first |
1995 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
298 |
|
Pa last |
297.5 |
|
P.A. Now (θ) |
297.5° |
|
Sep first |
57.7 |
|
Sep last |
57.773 |
|
Sep. Now (ρ) |
57.773" |
|
Mag pri |
11.90 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-054 |
|
Sec motion dec |
-044 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.189 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
1577-01848-1 |
|
Gaia DR2 |
4525155144819526528 |
|