18553+1217 HEI 564
18h 55m 14.54s +12° 17' 22.7" P.A. 230.00 sep 2.9 mag 10.00,10.20
| Coord 2000 |
18553+1217 |
|
Discov num |
HEI 564 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 14.54 +12 17 22.7 |
|
| Date first |
1987 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
233 |
|
Pa last |
230.4 |
|
P.A. Now (θ) |
230.4° |
|
| Sep first |
2.8 |
|
Sep last |
2.892 |
|
Sep. Now (ρ) |
2.892" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4505873623580552064 |
|
