18421+2419 POU 3490
18h 42m 08.62s +24° 18' 24.5" P.A. 259.00 sep 3.7 mag 12.55,13.20
| Coord 2000 |
18421+2419 |
|
Discov num |
POU3490 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 08.62 +24 18 24.5 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
260 |
|
Pa last |
258.6 |
|
P.A. Now (θ) |
258.6° |
|
| Sep first |
3.5 |
|
Sep last |
3.711 |
|
Sep. Now (ρ) |
3.711" |
|
| Mag pri |
12.55 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2108-00676-1 |
|
Gaia DR2 |
4535854904786311808 |
|
