18473+2125 GRV 239
18h 47m 23.01s +21° 25' 23.5" P.A. 244.00 sep 7.6 mag 10.60,12.60
| Coord 2000 |
18473+2125 |
|
Discov num |
GRV 239 |
|
Comp |
|
|
Coord arcsec 2000 |
18 47 23.01 +21 25 23.5 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
246 |
|
Pa last |
243.5 |
|
P.A. Now (θ) |
243.5° |
|
| Sep first |
7.5 |
|
Sep last |
7.633 |
|
Sep. Now (ρ) |
7.633" |
|
| Mag pri |
10.60 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.183 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1595-01673-1 |
|
Gaia DR2 |
4531091579901834496 |
|
HD |
343096 |
|
