19597+3055 A 379 (HD 189597)
19h 59m 41.80s +30° 54' 50.2" P.A. 227.00 sep 2.6 mag 7.58,11.08 Sp B6II dist. 450.45 pc (1469.37 l.y.)
Coord 2000 |
19597+3055 |
|
Discov num |
A 379 |
|
Comp |
|
|
Coord arcsec 2000 |
19 59 41.80 +30 54 50.2 |
|
Date first |
1902 |
|
Date last |
1991 |
|
Obs |
8 |
|
Pa first |
226 |
|
Pa last |
227.1 |
|
P.A. Now (θ) |
227.1° |
|
Sep first |
2.5 |
|
Sep last |
2.64 |
|
Sep. Now (ρ) |
2.64" |
|
Mag pri |
7.58 |
|
Mag sec |
11.08 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
B6II (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.894
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 189597 |
|
Constellation |
Cygnus |
|
SAO |
69223 |
|
HIP |
98409 |
|
Tycho2 |
2670-04188-1 |
|
Gaia DR2 |
2030488468329770880 |
|
HD |
189597 |
|
BD |
BD+30 3845 |
|
Distance |
450.45 |
|
Distance ly |
1469.37 |
|