18215+1257 OL 173
18h 21m 29.61s +12° 57' 02.7" P.A. 23.00 sep 1.6 mag 10.45,10.67
| Coord 2000 |
18215+1257 |
|
Discov num |
OL 173 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 29.61 +12 57 02.7 |
|
| Date first |
1937 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
24 |
|
Pa last |
22.5 |
|
P.A. Now (θ) |
22.5° |
|
| Sep first |
1.4 |
|
Sep last |
1.636 |
|
Sep. Now (ρ) |
1.636" |
|
| Mag pri |
10.45 |
|
Mag sec |
10.67 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-037 |
|
Sec motion dec |
-037 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1018-02073-1 |
|
Gaia DR2 |
4485150754267832960 |
|