18505+4335 COU 1930
18h 50m 31.06s +43° 35' 10.0" P.A. 326.00 sep 0.4 mag 10.32,10.14 Sp G3V+G5V
Coord 2000 |
18505+4335 |
|
Discov num |
COU1930 |
|
Comp |
|
|
Coord arcsec 2000 |
18 50 31.06 +43 35 10.0 |
|
Date first |
1981 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
318 |
|
Pa last |
325.9 |
|
P.A. Now (θ) |
325.9° |
|
Sep first |
0.6 |
|
Sep last |
0.42 |
|
Sep. Now (ρ) |
0.42" |
|
Mag pri |
10.32 |
|
Mag sec |
10.14 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
G3V+G5V (yellow/yellow) |
|
Pri motion ra |
+027 |
|
Sec motion ra |
+027 |
|
Pri motion dec |
+026 |
|
Sec motion dec |
+026 |
|
Notes |
U
(Proper motion indicates non-physical) |
|
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3131-00662-1 |
|