18191+2808 HJ 1318
18h 19m 05.28s +28° 08' 17.5" P.A. 140.00 sep 10.0 mag 10.50,11.10
| Coord 2000 |
18191+2808 |
|
Discov num |
HJ 1318 |
|
Comp |
|
|
Coord arcsec 2000 |
18 19 05.28 +28 08 17.5 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
143 |
|
Pa last |
140 |
|
P.A. Now (θ) |
140° |
|
| Sep first |
3.0 |
|
Sep last |
9.954 |
|
Sep. Now (ρ) |
9.954" |
|
| Mag pri |
10.50 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+007 |
|
| Notes |
|
|
rPM=0.632
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4586640625315808256 |
|
