19586+3059 YR 15 (HD 189395)
19h 58m 37.96s +30° 59' 01.2" P.A. 8.00 sep 0.2 mag 5.53,9.87 Sp B9Vn dist. 142.65 pc (465.32 l.y.)
| Coord 2000 |
19586+3059 |
|
Discov num |
YR 15 |
|
Comp |
|
|
Coord arcsec 2000 |
19 58 37.96 +30 59 01.2 |
|
| Date first |
1999 |
|
Date last |
2007 |
|
Obs |
8 |
|
| Pa first |
35 |
|
Pa last |
8 |
|
P.A. Now (θ) |
8° |
|
| Sep first |
0.2 |
|
Sep last |
0.189 |
|
Sep. Now (ρ) |
0.189" |
|
| Mag pri |
5.53 |
|
Mag sec |
9.87 |
|
delta mag (ΔM) |
4.34 |
|
Spectral class |
B9Vn (blue-white) |
|
| Pri motion ra |
+068 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189395 |
|
Constellation |
Cygnus |
|
SAO |
69188 |
|
HIP |
98325 |
|
| Tycho2 |
2670-04761-1 |
|
Gaia DR2 |
2030535712973814528 |
|
HD |
189395 |
|
HR |
7640 |
|
| GC |
27677 |
|
BD |
BD+30 3837 |
|
FK5 |
3594 |
|
Distance |
142.65 |
|
| Distance ly |
465.32 |
|
