18218+3038 L 21
18h 21m 51.75s +20° 34' 41.6" P.A. 91.00 sep 7.1 mag 10.00,11.00
| Coord 2000 |
18218+3038 |
|
Discov num |
L 21 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 51.75 +20 34 41.6 |
|
| Date first |
1900 |
|
Date last |
2016 |
|
Obs |
13 |
|
| Pa first |
111 |
|
Pa last |
91.4 |
|
P.A. Now (θ) |
91.4° |
|
| Sep first |
6.5 |
|
Sep last |
7.09 |
|
Sep. Now (ρ) |
7.09" |
|
| Mag pri |
10.00 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-021 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
+022 |
|
| Notes |
N
(See Notes) |
|
rPM=1.655
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4528507212173875200 |
|