19532+4238 COU 2635 (HD 188399)
19h 53m 11.59s +42° 38' 07.3" P.A. 158.00 sep 0.6 mag 8.52,10.41 Sp B9 dist. 628.93 pc (2051.57 l.y.)
| Coord 2000 |
19532+4238 |
|
Discov num |
COU2635 |
|
Comp |
|
|
Coord arcsec 2000 |
19 53 11.59 +42 38 07.3 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
5 |
|
| Pa first |
160 |
|
Pa last |
158.1 |
|
P.A. Now (θ) |
158.1° |
|
| Sep first |
0.6 |
|
Sep last |
0.577 |
|
Sep. Now (ρ) |
0.577" |
|
| Mag pri |
8.52 |
|
Mag sec |
10.41 |
|
delta mag (ΔM) |
1.89 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 188399 |
|
Constellation |
Cygnus |
|
SAO |
48939 |
|
HIP |
97861 |
|
| Tycho2 |
3145-02151-1 |
|
Gaia DR2 |
2078461294478589568 |
|
HD |
188399 |
|
BD |
BD+42 3508 |
|
| Distance |
628.93 |
|
Distance ly |
2051.57 |
|