21389+6446 STI 1043
21h 38m 51.20s +64° 46' 10.6" P.A. 46.00 sep 5.4 mag 10.51,11.76 Sp A2 dist. 2564.1 pc (8364.09 l.y.)
| Coord 2000 |
21389+6446 |
|
Discov num |
STI1043 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 51.20 +64 46 10.6 |
|
| Date first |
1895 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
50 |
|
Pa last |
45.8 |
|
P.A. Now (θ) |
45.8° |
|
| Sep first |
5.0 |
|
Sep last |
5.377 |
|
Sep. Now (ρ) |
5.377" |
|
| Mag pri |
10.51 |
|
Mag sec |
11.76 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.2 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
HIP |
106878 |
|
Tycho2 |
4257-02820-1 |
|
Gaia DR2 |
2217781821575236736 |
|
| BD |
BD+64 1578 |
|
Distance |
2564.1 |
|
Distance ly |
8364.09 |
|
