20550+7547 LDS 1942
20h 54m 43.89s +75° 47' 36.4" P.A. 346.00 sep 2.7 mag 14.70,15.50
Coord 2000 |
20550+7547 |
|
Discov num |
LDS1942 |
|
Comp |
|
|
Coord arcsec 2000 |
20 54 43.89 +75 47 36.4 |
|
Date first |
1963 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
332 |
|
Pa last |
346.4 |
|
P.A. Now (θ) |
346.4° |
|
Sep first |
2.5 |
|
Sep last |
2.72 |
|
Sep. Now (ρ) |
2.72" |
|
Mag pri |
14.70 |
|
Mag sec |
15.50 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
Pri motion ra |
-327 |
|
Sec motion ra |
|
|
Pri motion dec |
-212 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS