17228+2155 LDS 4740
17h 22m 48.29s +21° 55' 12.4" P.A. 240.00 sep 9.1 mag 15.90,17.80
| Coord 2000 |
17228+2155 |
|
Discov num |
LDS4740 |
|
Comp |
|
|
Coord arcsec 2000 |
17 22 48.29 +21 55 12.4 |
|
| Date first |
1960 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
254 |
|
Pa last |
239.5 |
|
P.A. Now (θ) |
239.5° |
|
| Sep first |
10.0 |
|
Sep last |
9.079 |
|
Sep. Now (ρ) |
9.079" |
|
| Mag pri |
15.90 |
|
Mag sec |
17.80 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
rPM=0.942
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4567433325409351552 |
|
