18549+4437 COU 1932
18h 54m 51.24s +44° 36' 56.2" P.A. 297.00 sep 0.9 mag 10.28,10.38 Sp G7V+G7V
| Coord 2000 |
18549+4437 |
|
Discov num |
COU1932 |
|
Comp |
|
|
Coord arcsec 2000 |
18 54 51.24 +44 36 56.2 |
|
| Date first |
1980 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
299 |
|
Pa last |
297.2 |
|
P.A. Now (θ) |
297.2° |
|
| Sep first |
0.7 |
|
Sep last |
0.868 |
|
Sep. Now (ρ) |
0.868" |
|
| Mag pri |
10.28 |
|
Mag sec |
10.38 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
G7V+G7V (yellow/yellow) |
|
| Pri motion ra |
-039 |
|
Sec motion ra |
-039 |
|
| Pri motion dec |
-022 |
|
Sec motion dec |
-022 |
|
| Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3131-00861-1 |
|
Gaia DR2 |
2106685070760644224 |
|
