21341+4718 HDS 3072
21h 34m 03.24s +47° 17' 41.3" P.A. 49.00 sep 0.3 mag 9.51,11.75 Sp B8 dist. 1250 pc (4077.5 l.y.)
| Coord 2000 |
21341+4718 |
|
Discov num |
HDS3072 |
|
Comp |
|
|
Coord arcsec 2000 |
21 34 03.24 +47 17 41.3 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
2 |
|
| Pa first |
51 |
|
Pa last |
49 |
|
P.A. Now (θ) |
49° |
|
| Sep first |
0.4 |
|
Sep last |
0.323 |
|
Sep. Now (ρ) |
0.323" |
|
| Mag pri |
9.51 |
|
Mag sec |
11.75 |
|
delta mag (ΔM) |
2.24 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
106485 |
|
Tycho2 |
3595-02051-1 |
|
Gaia DR2 |
1978251186254410368 |
|
| BD |
BD+46 3364 |
|
Distance |
1250 |
|
Distance ly |
4077.5 |
|
