20528+1351 UC 4315 AB
20h 52m 48.94s +13° 51' 18.2" P.A. 157.00 sep 14.6 mag 10.81,16.53
Coord 2000 |
20528+1351 |
|
Discov num |
UC 4315 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 52 48.94 +13 51 18.2 |
|
Date first |
2000 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
156 |
|
Pa last |
157.4 |
|
P.A. Now (θ) |
157.4° |
|
Sep first |
15.6 |
|
Sep last |
14.593 |
|
Sep. Now (ρ) |
14.593" |
|
Mag pri |
10.81 |
|
Mag sec |
16.53 |
|
delta mag (ΔM) |
5.72 |
|
Spectral class |
|
|
Pri motion ra |
+054 |
|
Sec motion ra |
+032 |
|
Pri motion dec |
-064 |
|
Sec motion dec |
-052 |
|
Notes |
V
W
(Proper motion indicates physical, ) |
|
rPM=0.299 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Tycho2 |
1102-01200-1 |
|