21152+4619 HDS 3023
21h 15m 11.62s +46° 19' 11.0" P.A. 140.00 sep 0.9 mag 9.93,12.69 Sp B8 dist. 724.64 pc (2363.78 l.y.)
| Coord 2000 |
21152+4619 |
|
Discov num |
HDS3023 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 11.62 +46 19 11.0 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
136 |
|
Pa last |
140 |
|
P.A. Now (θ) |
140° |
|
| Sep first |
0.9 |
|
Sep last |
0.913 |
|
Sep. Now (ρ) |
0.913" |
|
| Mag pri |
9.93 |
|
Mag sec |
12.69 |
|
delta mag (ΔM) |
2.76 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.373
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
104921 |
|
Tycho2 |
3589-05310-1 |
|
Gaia DR2 |
2164151316567865472 |
|
| BD |
BD+45 3466 |
|
Distance |
724.64 |
|
Distance ly |
2363.78 |
|
