19466+4346 HDS 2810 (HD 187139)
19h 46m 36.56s +43° 45' 48.0" P.A. 50.00 sep 0.3 mag 8.24,11.32 Sp B8 dist. 289.86 pc (945.52 l.y.)
| Coord 2000 |
19466+4346 |
|
Discov num |
HDS2810 |
|
Comp |
|
|
Coord arcsec 2000 |
19 46 36.56 +43 45 48.0 |
|
| Date first |
1991 |
|
Date last |
2009 |
|
Obs |
2 |
|
| Pa first |
37 |
|
Pa last |
49.5 |
|
P.A. Now (θ) |
49.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.34 |
|
Sep. Now (ρ) |
0.34" |
|
| Mag pri |
8.24 |
|
Mag sec |
11.32 |
|
delta mag (ΔM) |
3.08 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
+012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 187139 |
|
Constellation |
Cygnus |
|
SAO |
48825 |
|
HIP |
97315 |
|
| Tycho2 |
3148-01470-1 |
|
Gaia DR2 |
2078818292158914432 |
|
HD |
187139 |
|
BD |
BD+43 3358 |
|
| Distance |
289.86 |
|
Distance ly |
945.52 |
|
