21391+7421 KPP 4240
21h 39m 05.35s +74° 20' 36.4" P.A. 238.00 sep 6.8 mag 10.60,12.40
| Coord 2000 |
21391+7421 |
|
Discov num |
KPP4240 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 05.35 +74 20 36.4 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
241 |
|
Pa last |
238.1 |
|
P.A. Now (θ) |
238.1° |
|
| Sep first |
6.9 |
|
Sep last |
6.813 |
|
Sep. Now (ρ) |
6.813" |
|
| Mag pri |
10.60 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
|
|
| Pri motion ra |
+030 |
|
Sec motion ra |
+029 |
|
| Pri motion dec |
-026 |
|
Sec motion dec |
-022 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.104 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4474-01310-1 |
|
