21556+4241 KPP 4258
21h 55m 33.14s +42° 41' 15.5" P.A. 257.00 sep 28.6 mag 16.50,16.80
| Coord 2000 |
21556+4241 |
|
Discov num |
KPP4258 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 33.14 +42 41 15.5 |
|
| Date first |
1975 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
260 |
|
Pa last |
256.9 |
|
P.A. Now (θ) |
256.9° |
|
| Sep first |
28.5 |
|
Sep last |
28.559 |
|
Sep. Now (ρ) |
28.559" |
|
| Mag pri |
16.50 |
|
Mag sec |
16.80 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+030 |
|
| Pri motion dec |
+030 |
|
Sec motion dec |
-065 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=1.365
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
