19577+5118 HU 689 (HD 189451)
19h 57m 42.12s +51° 17' 55.5" P.A. 330.00 sep 0.1 mag 8.60,9.00 Sp A0 dist. 467.29 pc (1524.3 l.y.)
| Coord 2000 |
19577+5118 |
|
Discov num |
HU 689 |
|
Comp |
|
|
Coord arcsec 2000 |
19 57 42.12 +51 17 55.5 |
|
| Date first |
1904 |
|
Date last |
1984 |
|
Obs |
15 |
|
| Pa first |
17 |
|
Pa last |
329.9 |
|
P.A. Now (θ) |
329.9° |
|
| Sep first |
0.4 |
|
Sep last |
0.068 |
|
Sep. Now (ρ) |
0.068" |
|
| Mag pri |
8.60 |
|
Mag sec |
9.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-027 |
|
Sec motion ra |
|
|
| Pri motion dec |
+015 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189451 |
|
Constellation |
Cygnus |
|
SAO |
32143 |
|
HIP |
98229 |
|
| Tycho2 |
3570-00440-1 |
|
Gaia DR2 |
2088966745817696896 |
|
HD |
189451 |
|
ADS |
13191 |
|
| BD |
BD+50 2936 |
|
Distance |
467.29 |
|
Distance ly |
1524.3 |
|
