18212+3917 COU 1460
18h 21m 12.61s +39° 17' 11.4" P.A. 342.00 sep 0.5 mag 10.80,11.20
| Coord 2000 |
18212+3917 |
|
Discov num |
COU1460 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 12.61 +39 17 11.4 |
|
| Date first |
1976 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
341 |
|
Pa last |
341.5 |
|
P.A. Now (θ) |
341.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.452 |
|
Sep. Now (ρ) |
0.452" |
|
| Mag pri |
10.80 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-030 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3104-00448-1 |
|
